Carbon sequestration is the process involved in carbon capture and the long-term storage of atmospheric carbon dioxide (CO
2)[1] and may refer specifically to:
"The process of removing carbon from the atmosphere and depositing it in a reservoir."[4] When carried out deliberately, this may also be referred to as carbon dioxide removal, which is a form of geoengineering.
Carbon capture and storage, where carbon dioxide is removed from flue gases (e.g., at power stations) before being stored in underground reservoirs.
Natural biogeochemical cycling of carbon between the atmosphere and reservoirs, such as by chemical weathering of rocks.
carbon Sequestration and its method in plants ESHAASIF
CO2 is one of the main greenhouse gases that is causing global warming and forcing climate change.
The continued increased in CO2 concentration in the atmosphere is believed to be accelerated by human activities such as burning of fossil fuels and deforestation.
One of the approaches to reducing CO2 Concentration in the atmosphereCARBON SEQUESTRATION
Carbon Sequestration is the placement of CO2 into a depository in such way that it remains safely and not released back to the atmosphere.
Sequestration means something that is locked away for safe keeping. the trapping of a chemical in the atmosphere or environment and its isolation in a natural or artificial storage area.
is carbon sequestration
Carbon sequestration is the process involved in carbon capture and the long-term storage of atmospheric carbon dioxide (CO
2)[1] and may refer specifically to:
"The process of removing carbon from the atmosphere and depositing it in a reservoir."[4] When carried out deliberately, this may also be referred to as carbon dioxide removal, which is a form of geoengineering.
Carbon capture and storage, where carbon dioxide is removed from flue gases (e.g., at power stations) before being stored in underground reservoirs.
Natural biogeochemical cycling of carbon between the atmosphere and reservoirs, such as by chemical weathering of rocks.
carbon Sequestration and its method in plants ESHAASIF
CO2 is one of the main greenhouse gases that is causing global warming and forcing climate change.
The continued increased in CO2 concentration in the atmosphere is believed to be accelerated by human activities such as burning of fossil fuels and deforestation.
One of the approaches to reducing CO2 Concentration in the atmosphereCARBON SEQUESTRATION
Carbon Sequestration is the placement of CO2 into a depository in such way that it remains safely and not released back to the atmosphere.
Sequestration means something that is locked away for safe keeping. the trapping of a chemical in the atmosphere or environment and its isolation in a natural or artificial storage area.
is carbon sequestration
Carbon Farming, A Solution to Climate Change.pptxNaveen Prasath
Global warming and climate change refer to an increase in average global temperatures over a very long period of time. Natural events and human activities are believed to be contributing to an increase in average global temperatures, This is caused primarily by increases in “greenhouse” gases such as Carbon Dioxide (CO2).
Indicators
Global Green House Gas emission
Atmospheric concentration of green house gases
Change in Temperature pattern
Change in precipitation pattern
Heat related deaths
Melting of Ice
Rise in sea level
Affecting crop production
Green house gases released by power plant, automobiles, deforestation etc
According to IPCC WG AR-5 the Earth’s average temperature has increased by one degree Fahrenheit to its highest level in the past four decade – believed to be the fastest rise in a thousand years.
Research found that if emissions of heat-trapping carbon emissions aren’t reduced, average surface temperatures could increase by 3 to 10 degrees Fahrenheit by the end of the century.
about...Carbon sequestration, Co2 capture technology, types of carbon sequestration, Co2 separation, carbon sources and carbon sinks, benefits of soil sequestration of carbon, conclution.
Soil Organic Carbon Sequestration: Importance and State of ScienceExternalEvents
This presentation was presented during the Plenary 1, GSOC17 – Setting the scientific scene for GSOC17 of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Rattan Lal from Carbon Management and Sequestration Center – USA , in FAO Hq, Rome
Benefits of Soil Organic Carbon - an overviewExternalEvents
The presentation was given by Mr. Niels H. Batjes, ISRIC, during the GSOC Mapping Global Training hosted by ISRIC - World Soil Information, 6 - 23 June 2017, Wageningen (The Netherlands).
Severe concerns over the consequences of climate change may lead us to make a forced choice between energy and environment. Averting such a crisis will be difficult, because fossil energy resources are an essential part of the world’s energy supply and climate change is mainly driven by the build-up of carbon dioxide in the atmosphere.
Carbon capture and sequestration is a boon in a carbon constrained world and a study of this topic may help us understand more about this process and its importance in today's world. In this presentation, I have tried to highlight the important steps involved in the overall process of carbon capture and sequestration and it is supported by some graphs.
Biochar for sustainable land management and climate change mitigationExternalEvents
This presentation was presented during the 3 Parallel session on Theme 2, Maintaining and/or increasing SOC stocks for climate change mitigation and adaptation and Land Degradation Neutrality, of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Ms. Annette Cowie, from UNCCD – SPI - Australia, in FAO Hq, Rome
Main GHGs from agricultural lands are CH4 and N2O
GHG emission can be reduced by 60 % in 2050 through:
Removal of rice straws and through good management practices in paddy fields
Use alternatives to chemical fertilizer
CH4 reduction from livestock by improving feed quality and animal comfort
Reduce N2O emission in soils
Enhance C sequestration in paddy and rainfed uplands through ‘Evergreen Agro-ecosystem’ concept
Carbon stock in agricultural lands can be enhanced by improving land management practices
C sequestration in tea lands can be increased through: Agro-ecosystem approach; Crop diversification; Intercropping; Introduction of shade trees with optimum density; and Rehabilitation of old tea lands
C stock can be increased by 267 % by the year 2050 through Home Garden Intensification
If the proposed mitigation actions are implemented, the country will be able to achieve Net Zero by 2038.
Regarding Biochar and its applications and various products of Biochar used for soil quality enhancement, Biochar Market and global trend.
Feedstocks used for Biochar production. Biochar Production process.
Different byproducts of the Biochar production process are discussed. Biochar production is a Carbon NET ZERO process. Process of Biochar production, Pyrolysis is explained in the ppt. Different products which are produced by biochar producing companies specially with the purpose of soil quality enhancement is also discussed. Different byproducts of pyrolysis are also mentioned. Biochar market and its upward trend in coming years is discussed. Different feedstocks which can be utilized for the biochar production are added in slides. How biochar can be used for waste management and climate change mitigation is explained in the slides. Use of Biochar is explained in special context of Soil quality enhancement.
Energy production using Biochar is also explained. Biochar startups and their products are also explained. Biochar publications are also added in the slides.
Impact of soil properties on carbon sequestrationyoginimahadule
Carbon sequestration is an important global phenomenon that plays a significant role in maintaining a balanced global carbon cycle and sustainable crop production. Carbon Sequestration is the placement of CO2 into a depository in such way that it remains safely and not released back to the atmosphere.
Among the soil factors, texture plays an important role in C sequestration. The observation that the decrease in clay- and silt associated C and N upon cultivation of soils was generally less than the decrease in C and N in the particle size fraction > 20 µm confirms that clay and sift particles protect C against microbial degradation (Hassink, 1997).
Increase in SOC concentration with conservation tillage was partly responsible for the increased macroaggregation near the soil surface.( Zhang et al. 2013)
Electrical conductivity in soils affects the organic carbon content by reducing the uptake of minerals and water by the plant which ultimately results in less plant growth. A higher electrical conductivity causes less decomposition in soils which consequently reduces the accumulation of humus meanwhile, the values of acidity; percentage of organic matter, organic carbon and the sequestration of carbon in soils containing T. kotschyiwas more than the values observed in soils containing T. aphylla and the soil of the control which contained no plants.
Nitrogen applicaton at optimum rate help to sequester carbon in soil.(Jiang et al. 2019). Integrated nutrient application in long-term rice-wheat cropping system would be a suitable option with respect to its potentiality of increasing yield, nutrient availability, and sequestering soil organic carbon for sustainable soil health management in partially reclaimed sodic soils of the north Indian subcontinent. He concluded that FYM application increase passive pool of soil while green manure increase active and labile pool. (Choudhury et al. 2018)
Six et al. (2006) by various observation of different sites concludes changes in the relative abundance and activity of bacteria and fungi may significantly affect C cycling and storage, due to the unique physiologies and differential interactions with soil physical properties of these two microbial groups. It has been hypothesized that C turnover is slower in fungal-dominated communities in part because fungi in corporate more soil C into biomass than bacteria and because fungal cell walls are more recalcitrant than bacterial cell walls. Same result by Aliasgharzad et al. 2016).
Tsai et al. (2013) showed positive correlation of soil organic carbon with elevation
PHYTOREMEDIATION OF CONTAMINATED SOILS (WAQAS AZEEM)Waqas Azeem
Metals contaminated soil are prevailing all over the world with different concentration. There is a need for a cost effective and environment friendly technique for the remediation of these soils, i.e. Phytoremediation...!
Carbon Farming, A Solution to Climate Change.pptxNaveen Prasath
Global warming and climate change refer to an increase in average global temperatures over a very long period of time. Natural events and human activities are believed to be contributing to an increase in average global temperatures, This is caused primarily by increases in “greenhouse” gases such as Carbon Dioxide (CO2).
Indicators
Global Green House Gas emission
Atmospheric concentration of green house gases
Change in Temperature pattern
Change in precipitation pattern
Heat related deaths
Melting of Ice
Rise in sea level
Affecting crop production
Green house gases released by power plant, automobiles, deforestation etc
According to IPCC WG AR-5 the Earth’s average temperature has increased by one degree Fahrenheit to its highest level in the past four decade – believed to be the fastest rise in a thousand years.
Research found that if emissions of heat-trapping carbon emissions aren’t reduced, average surface temperatures could increase by 3 to 10 degrees Fahrenheit by the end of the century.
about...Carbon sequestration, Co2 capture technology, types of carbon sequestration, Co2 separation, carbon sources and carbon sinks, benefits of soil sequestration of carbon, conclution.
Soil Organic Carbon Sequestration: Importance and State of ScienceExternalEvents
This presentation was presented during the Plenary 1, GSOC17 – Setting the scientific scene for GSOC17 of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Rattan Lal from Carbon Management and Sequestration Center – USA , in FAO Hq, Rome
Benefits of Soil Organic Carbon - an overviewExternalEvents
The presentation was given by Mr. Niels H. Batjes, ISRIC, during the GSOC Mapping Global Training hosted by ISRIC - World Soil Information, 6 - 23 June 2017, Wageningen (The Netherlands).
Severe concerns over the consequences of climate change may lead us to make a forced choice between energy and environment. Averting such a crisis will be difficult, because fossil energy resources are an essential part of the world’s energy supply and climate change is mainly driven by the build-up of carbon dioxide in the atmosphere.
Carbon capture and sequestration is a boon in a carbon constrained world and a study of this topic may help us understand more about this process and its importance in today's world. In this presentation, I have tried to highlight the important steps involved in the overall process of carbon capture and sequestration and it is supported by some graphs.
Biochar for sustainable land management and climate change mitigationExternalEvents
This presentation was presented during the 3 Parallel session on Theme 2, Maintaining and/or increasing SOC stocks for climate change mitigation and adaptation and Land Degradation Neutrality, of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Ms. Annette Cowie, from UNCCD – SPI - Australia, in FAO Hq, Rome
Main GHGs from agricultural lands are CH4 and N2O
GHG emission can be reduced by 60 % in 2050 through:
Removal of rice straws and through good management practices in paddy fields
Use alternatives to chemical fertilizer
CH4 reduction from livestock by improving feed quality and animal comfort
Reduce N2O emission in soils
Enhance C sequestration in paddy and rainfed uplands through ‘Evergreen Agro-ecosystem’ concept
Carbon stock in agricultural lands can be enhanced by improving land management practices
C sequestration in tea lands can be increased through: Agro-ecosystem approach; Crop diversification; Intercropping; Introduction of shade trees with optimum density; and Rehabilitation of old tea lands
C stock can be increased by 267 % by the year 2050 through Home Garden Intensification
If the proposed mitigation actions are implemented, the country will be able to achieve Net Zero by 2038.
Regarding Biochar and its applications and various products of Biochar used for soil quality enhancement, Biochar Market and global trend.
Feedstocks used for Biochar production. Biochar Production process.
Different byproducts of the Biochar production process are discussed. Biochar production is a Carbon NET ZERO process. Process of Biochar production, Pyrolysis is explained in the ppt. Different products which are produced by biochar producing companies specially with the purpose of soil quality enhancement is also discussed. Different byproducts of pyrolysis are also mentioned. Biochar market and its upward trend in coming years is discussed. Different feedstocks which can be utilized for the biochar production are added in slides. How biochar can be used for waste management and climate change mitigation is explained in the slides. Use of Biochar is explained in special context of Soil quality enhancement.
Energy production using Biochar is also explained. Biochar startups and their products are also explained. Biochar publications are also added in the slides.
Impact of soil properties on carbon sequestrationyoginimahadule
Carbon sequestration is an important global phenomenon that plays a significant role in maintaining a balanced global carbon cycle and sustainable crop production. Carbon Sequestration is the placement of CO2 into a depository in such way that it remains safely and not released back to the atmosphere.
Among the soil factors, texture plays an important role in C sequestration. The observation that the decrease in clay- and silt associated C and N upon cultivation of soils was generally less than the decrease in C and N in the particle size fraction > 20 µm confirms that clay and sift particles protect C against microbial degradation (Hassink, 1997).
Increase in SOC concentration with conservation tillage was partly responsible for the increased macroaggregation near the soil surface.( Zhang et al. 2013)
Electrical conductivity in soils affects the organic carbon content by reducing the uptake of minerals and water by the plant which ultimately results in less plant growth. A higher electrical conductivity causes less decomposition in soils which consequently reduces the accumulation of humus meanwhile, the values of acidity; percentage of organic matter, organic carbon and the sequestration of carbon in soils containing T. kotschyiwas more than the values observed in soils containing T. aphylla and the soil of the control which contained no plants.
Nitrogen applicaton at optimum rate help to sequester carbon in soil.(Jiang et al. 2019). Integrated nutrient application in long-term rice-wheat cropping system would be a suitable option with respect to its potentiality of increasing yield, nutrient availability, and sequestering soil organic carbon for sustainable soil health management in partially reclaimed sodic soils of the north Indian subcontinent. He concluded that FYM application increase passive pool of soil while green manure increase active and labile pool. (Choudhury et al. 2018)
Six et al. (2006) by various observation of different sites concludes changes in the relative abundance and activity of bacteria and fungi may significantly affect C cycling and storage, due to the unique physiologies and differential interactions with soil physical properties of these two microbial groups. It has been hypothesized that C turnover is slower in fungal-dominated communities in part because fungi in corporate more soil C into biomass than bacteria and because fungal cell walls are more recalcitrant than bacterial cell walls. Same result by Aliasgharzad et al. 2016).
Tsai et al. (2013) showed positive correlation of soil organic carbon with elevation
PHYTOREMEDIATION OF CONTAMINATED SOILS (WAQAS AZEEM)Waqas Azeem
Metals contaminated soil are prevailing all over the world with different concentration. There is a need for a cost effective and environment friendly technique for the remediation of these soils, i.e. Phytoremediation...!
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
This is a detailed report on the topic of that how to remove the excess CO2 from our earth's atmosphere with the help of direct air carbon capture technology. How would it help us to mitigate the climate change.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Honest Reviews of Tim Han LMA Course Program.pptxtimhan337
Personal development courses are widely available today, with each one promising life-changing outcomes. Tim Han’s Life Mastery Achievers (LMA) Course has drawn a lot of interest. In addition to offering my frank assessment of Success Insider’s LMA Course, this piece examines the course’s effects via a variety of Tim Han LMA course reviews and Success Insider comments.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
1. Carbon Sequestration to Mitigate Climate Change
Dr. M.B. DODDAMANI
Associate Professor
Dept of Environmental Sciences
College of Agriculture
UAS, Dharwad-580 005
2. Global Concern is in the Air
From
Intergovernmental
Panel on
Climate Change
6. Result of Greenhouse Effect
Av Global Temp
No greenhouse gases -18C (0F)
With Greenhouse gases +14C (59F)
7. Global mean temperatures are rising faster with time
100 0.0740.018
50 0.1280.026
Warmest 12 years:
1998,2005,2003,2002,2004,2006,
2001,1997,1995,1999,1990,2000
Period Rate
Years /decade
8. Global warming unstoppable
Britain made uninhabitable by sever flooding
Mediterranean region abandoned
1 to 2oC INCREASE
European dying of heat stroke
Forests ravaged by fire
Stressed plants beginning to emit carbon rather than absorbing it
A third of all species face extinction
2 to 3oC INCREASE:
Carbon release from plants speeds global warming
Death of Amazon rainforest
Super hurricanes hit coastal cities
Starvation in Africa
3 to 4oC INCREASE:
9. End of life on earth with apocalyptic storms
Flash floods
Hydrogen sulphide gas and methane fireballs racing across the
globe with power of atomic bombs
Only fungi survive
4 - 5 0C INCREASE:
Methane from ocean floor accelerates global warming
Complete melting of ice from poles
Search for food may shift rapid polarization of human habitat
5 - 6oC INCREASE:
12. Why are Greenhouse Gases Important?
1. Global ecological concern for the anthropogenic
source of increasing concentration in the
atmosphere since 1750 (Intergovernmental Panel
on Climate Change, 2001):
CO2 – 31% increase
CH4 – 151% increase
N2O – 17% increase
2. Cause radioactive forcing of the atmosphere,
which could alter global temperature and
ecosystem functioning
3. Can be manipulated by human activities
13. Signs of Global Warming
• Sea level is rising
• Earth’s ice cover is shrinking
• Winter is becoming shorter by 11 day
(spring is 6 days earlier and fall is 5 days later)
• Coral is dying
• Mosquito-born diseases have reached
higher altitudes
• Extreme weather more common
14. What is CO2?
• Odorless, tasteless gas
• Absorbs IR Radiation
• Produced from the combustion of any
hydrocarbon (contains C and H) or
carbohydrate (contains C, H, and O)
15. Production of CO2
Coal: C + O2 CO2
Nat Gas: CH4 + 2O2 CO2 + 2H2O
Gasoline: C8H18 + 12.5O2 8CO2 + 9H2O
Sugar: C6H12O6 + 6O2 6CO2 + 6H2O
18. CO2 Reduction Options?
Main options:
Increasing energy efficiency of fossil fuel burning
technologies
Removing CO2 from exhaust gas streams
“Sequestration” of atmospheric CO2 into the land
and ocean
Turning to non-fossil fuel sources of energy
19. What is CO2 storage ?
CO2 storage/Carbon Sequestration is the
placement of CO2 into a depository in such a
way that it remains safely stored and not
released to the atmosphere. The viable
options are storage of CO2 into underground
geological formations, oceans, terrestrial
ecosystems and bio - sequestration.
20.
21.
22. Why is Carbon Sequestration Important?
Carbon sequestration (CS), representing one of three key approaches
to carbon management, which has received much less attention to date
Several reasons:
• CS could be a major tool for reducing carbon emissions from
fossil fuels.
• CS is compatible with the continued large-scale use of fossil fuels,
as well as greatly reduced emissions of CO2 to the atmosphere
• CS could offer other benefits such as:
-improve agricultural practices that could reduce soil erosion
-increase the sustainability of food production, conserve water, and biodiversity
-the development of exportable technologies to help the economy
23. Quantifying the Potential Carbon Sequestration
Assuming that CS systems has three objectives:
-increase the carbon in above-ground biomass
-increase the amount of carbon in below-ground systems (soil and sediment)
-manage land area with an emphasis toward carbon sequestration
The potential carbon sequestration (PCS) is estimated as:
PCS = [(ai AGCi + bi BGCi) ci LAi]
Where
ai = potential increase in above-ground carbon in the ith ecosystem
bi = potential increase in below-ground carbon in the ith ecosystem
ci = potential change in land area due to management for carbon
sequestration in the ith ecosystem
AGCi and BGCi are above-ground carbon and below-ground carbon
(root biomass + soil carbon) in the ith ecosystem
LA = land area of each ecosystem in the index year
24. Potential Carbon Sequestration Analysis
Four ways to increase above-ground carbon sequestration system:
• Increase the rate of accumulation of above-ground biomass (Pg C /yr)
• Increase the density of total biomass per area and or /density of carbon
in the above-ground biomass (Pg C /area)
• Increase beneficial use of biomass carbon in long-lived products
Four ways to increase below-ground carbon sequestration system:
• Increase the depth of soil carbon
• Increase the density of carbon (organic and inorganic) in the soil
• Increase the mass and /or depth of roots
• Decrease the decomposition rate of soil carbon
PCS depends on ecosystem and management!
25.
26.
27.
28.
29.
30. There are two ways to capture the CO2.
Post combustion capture
The first method is to capture CO2 after the combustion or post
combustion capture by
1. absorption by using liquid or solid chemicals.
2. adsorption by physical or chemical methods.
3. filtering using membrane filters.
31. Capturing CO2 by Chemical Absorption
The flue gas from a coal fired power plant contains about 12% CO2 with the rest being
N2 and Oxygen.
A 1000 MW Coal fired unit produces around 2500 tons of gas per hour, which requires
the separation of almost 300 tons per hour of CO2. The task is enormous.
How to cost effectively separate the CO2?
The simple method is to pass the gas through a chemical solvent that selectively
absorbs only the CO2 and keeps it in a weak chemical bond.
The O2 and N2 then release to the atmosphere.
The CO2 releases from the chemical solvent during regeneration by heat addition that
breaks the bond of the CO2. The almost pure CO2 is collected, compressed and sent to
storage. The retrieved solvent goes for re-use.
The most common chemical solvents used are amines. Amine capture is a proven
system in the natural gas cleaning process.
The scale of operations is much larger for the removal of CO2 from power plants. Even
though many pilot plants are in service, a commercially viable operation on a large scale
is yet to take place.
32. Separation with sorbents/solvents
Solvents
Amine scrubbing technology was established over 60 years ago in
the oil and chemical industries, for removal of hydrogen sulphide
and CO2 from gas streams Commercially, it is the most well
established of the techniques available for CO2 capture although
practical experience is mainly in gas streams which are chemically
reducing, the opposite of the oxidising environment of a flue gas
stream.
There are several facilities in which amines are used to capture
CO2 from flue gas streams today, one example being the Warrior
Run coal fired power station in the USA where 150 t/d of CO2 is
captured.
33. CO2 SEQUESTARTION; OTHER PROBABILITIES:
1. Agriculture
2. Enhanced Coalbed Methane Recovery (ECBM)
3. CO2Sequestration in Methane Hydrates
4. Ocean Sequestration
5. Terrestrial Sequestration
6. Bio-sequestration
7. Geological sequestration
34. Agriculture
• A large proportion of the mitigation potential of agriculture
(excluding bioenergy) arises from soil C sequestration,
which has strong synergies with sustainable agriculture and
generally reduces vulnerability to climate change.
• Agricultural practices collectively can make a significant
contribution at low cost
– By increasing soil carbon sinks,
– By reducing GHG emissions,
– By contributing biomass feedstocks for energy use
IPCC Fourth Assessment Report, Working Group III, 2007
35. No-Tillage Cropping Systems
Conservation Agriculture
•Restores soil carbon
•Conserves moisture
•Saves fuel
•Saves labor
•Lowers machinery costs
•Reduces erosion
•Improved soil fertility
•Controls weed
•Planting on the best date
•Improves wildlife habitat
36. Enhanced Coalbed Methane Recovery (ECBM)
Coal beds typically contain large amounts of methane rich gas that is
adsorbed onto the surface of the coal. The injected CO2 efficiently
displaces methane as it has greater affinity to the coal than methane.
CO2 enhanced
coal bed
methane
production
37. Ocean Sequestration
CO2 is soluble in ocean water, and oceans absorb and
emit huge amounts of CO2 into the atmosphere through
natural processes. Ocean Sequestration has huge potential
as a carbon storage sink.
Storage of CO2 in deep oceans has
been suggested as a means of
reducing inputs of greenhouse
gases to the atmosphere.
38. Terrestrial Sequestration
Terrestrial carbon sequestration is defined as either the net removal
of CO2 from the atmosphere or the prevention of CO2 net emissions from
the terrestrial ecosystems into the atmosphere. The following ecosystems
offer significant opportunity for carbon sequestration:
• Forest lands
• Agricultural lands
• Biomass croplands
• Deserts and degraded lands
• Wetlands and peat lands
39. Terrestrial Carbon Sequestration
1. Increasing the net fixation of atmospheric CO2 by
terrestrial vegetation with emphasis on enhancing
physiology and rate of photosynthesis of vascular
plants
2. Retaining carbon in plant materials and
enhancing the transformation of carbon to soil
organic matter
3. Reducing the emission of CO2 from soils caused
by heterotrophic oxidation of soil organic carbon
4. Increasing the capacity of deserts and degraded
lands to sequester carbon
40. Terrestrial Carbon Sequestration
Atmospheric
CO2
Plant
respiration
Animal
respiration
Soil respiration
Photosynthesis
Soil
organisms
Soil
organic
matter
Dissolved
CO
in water
2
Leachate
Atmospheric
N2
Mineralization
Denitrification
Biological
N fixation
Carbonate
minerals
Fossil fuels
CO2
N
N O
N
2
2
O
NH
volatilization
3
NH
fixation
4
Plant
uptake
Fertilizer
Carbon
Input
Carbon
Output
Soil
Carbon
Sequestration
42. • In India, the Oil &
Natural Gas Corp.
(ONGC) has proposed
CO2-EOR for
Ankleshwar Oil Field in
Western India.
•The CO2 is planned to
be injected @
600,000m3/d and is
sourced from ONGC gas
processing complex at
Hazira.
•The experimental and
modeling studies have
indicated an incremental
oil recovery of ~ 4 %
over the project life of 35
years besides the
potential to sequester 5
to 10 million tons of CO2
CO2 Injector
CO2 Pipeline from
Hazira Plant
First row of oil Producer.
To be closed after reaching
GOR of 500 v/v
Second row of oil Producer. To
be continued on production till
GOR reaches 500 v/v
CO2 moves through
formation mobilizing
residual oil by
swelling, vaporization
and reduction in
residual oil saturation
Ankleshwar Sands S3+4 : 69.33 MMt
Waterflood Recovery : 54%
Envisaged Tertiary Recovery : 5-7%
After, Suresh Kumar, Abstract, IWCCS-07
43. Conclusions
- CO2 storage R&D is still in early stage in India and developing cost
effective technologies for CCS are the major challenges to the
scientist and researchers.
-The environmental risks involved in the storage of CO2 particularly
in geological formations and oceans have to be evaluated in detail
by monitoring and modeling in terms of long term stability.
- Funding mechanisms to support R&D projects for CCS have to be
evaluated. 0.5% cess on power generation in the line of oil cess
may be good enough to sustain the same. The cess can be
operated by Energy Security Development Board, under the aegis
of Ministry of Power.
‘If every country was to spend just 2-3% of their GDP,
the impact of possible global climate change could be
mitigated’
- R.K.Pachauri, Economic Times Corp. Excellence Award
for 2006-07, New Delhi (29th Oct., 2007)
44. • It is one amongst the largest
ongoing projects for CCS in the
world.
• The Encana Cooperation has been
injecting 5,000 tonnes of CO2 per
day into in the Weyburn oil field for
the dual purpose of enhancing oil
recovery and the CO2 storage while
increasing the field’s production by
an additional 10,000 barrels per day.
• About 30 million tones of CO2 will
be injected and permanently stored
over the life of project producing
at least 130 million barrels of
incremental recovered oil.
Weyburn–Midale CO2 Monitoring and Storage Project, Canada
Injection of CO2 in the Oil Producing
Formations of the Weyburn Field
After, EERC, North Dakota.
45. Summary and Conclusions
Greenhouse gas concentrations in the atmosphere
are increasing and the threat of global change
requires our attention
A diversity of agricultural management practices
can be employed to sequester more carbon in
plants and soil
Syntheses of available data are needed
Gaps in our knowledge need to be researched
Strategies to sequester soil carbon will also likely
restore degraded land and avoid further
degradation