Biohydrogen may produced by steam reforming of methane (biogas) produced by anaerobic digestion of organic waste. In the latter process, natural gas and steam react to produce hydrogen and carbon dioxide.
Biohydrogen may produced by steam reforming of methane (biogas) produced by anaerobic digestion of organic waste. In the latter process, natural gas and steam react to produce hydrogen and carbon dioxide.
These slides use concepts from my (Jeff Funk) course entitled analyzing hi-tech opportunities to examine the increasing economic feasibility of algae biofuels. Algae can be grown in places where traditional crops cannot be grown and it consumes carbon dioxide, thus making it better than traditional sources of biofuels. It can also be harvested every 10 days thus making its oil yield per acre 200 times higher than corn and 40 times higher than sunflowers. The problem is that harvesting and extracting the algae requires large amounts of labor and energy (drying) and the algae may damage surrounding eco-systems. Thus new and better processes along with large scale production are needed to solve these problems. These slides discuss the various approaches (open pond, photo-bioreactor, fermentation), their advantages and disadvantages, their existing and future costs, and other improvements that are driving steadily falling costs. In the short term, algae will continue to be used in niche applications such as cosmetics, food, and fertilizers. In the long run, as the cost reductions continue, algae might become a major source of fuel for transportation and other applications.
Microbial enhanced oil recovery is one of the EOR techniques where bacteria and their by-products are utilized for oil mobilization in a reservoir.
It is the process that increases oil recovery through inoculation of microorganisms in a reservoir, aiming that bacteria and their by-products cause some beneficial effects.
Microbial application for biofuel productionSAIMA BARKI
Microbial application for biofuel production-Third generation of the biofuels-emerging trend to accomplish with decreasing energy resources of the world-twenty-first century- a clean and green environment to decrease the greenhouse gases and to protect the third world countriess and also the food insecurities.
These slides use concepts from my (Jeff Funk) course entitled analyzing hi-tech opportunities to examine the increasing economic feasibility of algae biofuels. Algae can be grown in places where traditional crops cannot be grown and it consumes carbon dioxide, thus making it better than traditional sources of biofuels. It can also be harvested every 10 days thus making its oil yield per acre 200 times higher than corn and 40 times higher than sunflowers. The problem is that harvesting and extracting the algae requires large amounts of labor and energy (drying) and the algae may damage surrounding eco-systems. Thus new and better processes along with large scale production are needed to solve these problems. These slides discuss the various approaches (open pond, photo-bioreactor, fermentation), their advantages and disadvantages, their existing and future costs, and other improvements that are driving steadily falling costs. In the short term, algae will continue to be used in niche applications such as cosmetics, food, and fertilizers. In the long run, as the cost reductions continue, algae might become a major source of fuel for transportation and other applications.
Microbial enhanced oil recovery is one of the EOR techniques where bacteria and their by-products are utilized for oil mobilization in a reservoir.
It is the process that increases oil recovery through inoculation of microorganisms in a reservoir, aiming that bacteria and their by-products cause some beneficial effects.
Microbial application for biofuel productionSAIMA BARKI
Microbial application for biofuel production-Third generation of the biofuels-emerging trend to accomplish with decreasing energy resources of the world-twenty-first century- a clean and green environment to decrease the greenhouse gases and to protect the third world countriess and also the food insecurities.
Biofuels technology can be defined as application of feedstocks in a sequence of processes leading to the production of different biofuel types. Biofuels processes are either natural or chemical stages of an industrial or pilot project development leading to the final production of biofuels.
Various Types of Biofuel
Wood. This is the most basic form of fuel that is derived from organic matter. ...
Biogas. This is the gaseous form of biofuels. ...
Biodiesel. This biofuel is liquid in nature.
Ethanol
Methanol.
Butanol.
Uses of Biofuels
Heating. Primary biofuels – or materials that are still in their raw state, without processing or treatment – are a common form of heating homes in developing countries where no alternative fuel source is available. ...
Transport. ...
Aviation. ...
Lubrication. ...
Oil clean-up operations.
hird generation biofuels are also known as “algae fuel” or “oilage” since they are produced from the algae. Algae leads to the production of all types of bio-fuels such as biodiseal, gasoline, butanol, propanol and ethanol with high yield, approximately 10 times higher than the second generation biofuel
A powerpoint presentation on biofuels . Application , manufacture , advantages and disadvantages of biofuels also included . Presentation based on sustainable devolopment . A useful powerpoint presentation for engineering students . GO GREEN . Thank you .
it covers various types of bioenergy and also contains various energy yielding technologies. it shows the bioenergy scenerio in India.it also shows various activities and programmes related with bioenergy
biofuels, first and second generation biofuels, their history, biodiesel, mass production, applications, properties, fuel efficiency, emissions, material compatibility, availability and prices
Biofuel, any fuel that is derived from biomass—that is, plant or algae material or animal waste. Since such feedstock material can be replenished readily, biofuel is considered to be a source of renewable energy, unlike fossil fuels such as petroleum, coal, and natural gas.
Normal Labour/ Stages of Labour/ Mechanism of LabourWasim Ak
Normal labor is also termed spontaneous labor, defined as the natural physiological process through which the fetus, placenta, and membranes are expelled from the uterus through the birth canal at term (37 to 42 weeks
Safalta Digital marketing institute in Noida, provide complete applications that encompass a huge range of virtual advertising and marketing additives, which includes search engine optimization, virtual communication advertising, pay-per-click on marketing, content material advertising, internet analytics, and greater. These university courses are designed for students who possess a comprehensive understanding of virtual marketing strategies and attributes.Safalta Digital Marketing Institute in Noida is a first choice for young individuals or students who are looking to start their careers in the field of digital advertising. The institute gives specialized courses designed and certification.
for beginners, providing thorough training in areas such as SEO, digital communication marketing, and PPC training in Noida. After finishing the program, students receive the certifications recognised by top different universitie, setting a strong foundation for a successful career in digital marketing.
Francesca Gottschalk - How can education support child empowerment.pptxEduSkills OECD
Francesca Gottschalk from the OECD’s Centre for Educational Research and Innovation presents at the Ask an Expert Webinar: How can education support child empowerment?
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.
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.
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
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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The French Revolution Class 9 Study Material pdf free download
Biofuels
1. Presented by: Fathimath Shibana
M. Sc Biotechnology
2nd Semester, 2013
University of Mysore
Guided by:
Dr. Geetha N.P .
Assistant Professor
DOS in Biotechnology
2. WHAT ARE BIOFUELS?
Biofuels are
liquid fuels that
have been
developed from
other materials
such as plants or
animal waste
matter.
3. WHY BIOFULES?
Biofuels production and consumption ensures
that the natural Carbon cycle to be 100%
achieved which completely eliminates the
continuous increase in Carbon Dioxide rates in
the atmosphere which in turns will have the
greatest effect on the environment and a way to
end global warming
For example, A crop of plants used to produce a
barrel of biofuel will absorb exactly the same
amount of Carbon Dioxide as emitted from
burning the barrel produced.
4. Figure : The carbon cycle in the production of biofuel.
5. TYPES OF BIOFULES
First generation biofuels
Bioalcohol
Biodiesel
Vegetable oil
Biogas
Syngas
Solid biofuels
Second generation biofuels
Main two types
6. BIOETHANOL
Bioethanol is an alcohol made by fermentation, mostly from
carbohydrates produces in sugar or starch crops such as
corn or sugarcane.
Cellulosic biomass, derived from non-food sources such as
trees and grasses, is also being developed as a feedstock for
ethanol production.
Used to substitute petrol fuel for the road transport
vehicles
One of the widely used alternative automotive fuels in the
world (Brazil & USA are the largest
ethanol
producers)
Much more environment friendly and
have
low toxicity level
9. Applications of Bioethanol
Transport fuel to replace gasoline
Fuel for power generation by thermal combustion
Fuel for fuel cells by thermochemical reaction
Fuels in cogeneration systems
Feedstock in the chemical industry
Blending ethanol with small
portion of gasoline is more
cost-effective
10. Advantages of Bioethanol
Burns more cleanly as a result of more
complete combustion
Reduces greenhouse gases
It is carbon neutral
Decrease in ozone formation
Renewable energy resource
Fuel spills are more easily biodegraded or
diluted to non-toxic concentration
Any plant can be used for production of
biooethanol : it only has to contain sugar and
starch
11. Disadvantages of Bioethanol
Large amount of arable land is required to grow
crops, natural habitats would be destroyed.
Due to lucrative prices of bioethanol, some
farmers may sacrifice food crops for biofuels
which will increase food prices around the world.
During production of bioethanol, huge amount
of carbon dioxide is released.
Not as efficient as petroleum
Cold start difficulties
Difficulty in transportation
12. BIODIESEL
Biodiesel is a variety of ester-based oxygenated fuels
derived from natural, renewable biological sources such as
vegetable oils.
Biodiesel operates in compression ignition engines like
petroleum diesel thereby requiring no essential engine
modifications.
Unlike fossil diesel, pure biodiesel is biodegradable,
non- toxic and essentially free of sulphur and aromatics.
14. Advantages of Biodiesel
Biodiesel is environmentfriendly.
It can help reduce dependency
on foreign oil.
It helps to lubricate the engine
itself, decreasing engine wear.
It can be used in almost any
diesel with little or no engine modification.
It is safer than conventional diesel.
Less global warming.
15. Disadvantages of Biodiesel
Biodiesel emission
increases Nox in
atmosphere
Biodiesel behaves
as a solvent
Slightly decreases
fuel economy
Cost varies according to feedstock used and
market conditions.
16. USES OF BIOFUELS
Cars and Trucks: Diesel cars and trucks can run on
biodiesel.
Aircraft: Recent testing has shown the viability of biofuel
use in the aviation industry, and use of biofuels to power
aircraft is expected to increase substantially in the next
decade.
Off-Road Equipment: A large percentage of off-road
equipment -- such as vehicles used in agriculture, mining,
forestry, construction, and power and heat production -use diesel fuel, making this equipment suitable for
biodiesel use
Small Engines: Small engines, like those found in lawn
mowers and chainsaws, can use ethanol blends up to 10
percent without problems
17. ADVANTAGES OF BIOFUELS
Cost: Biofuels have the potential to be significantly less expensive than
gasoline and other fossil fuels.
Source material: Whereas oil is a limited resource that comes from
specific materials, biofuels can be manufactured from a wide range of
materials including crop waste, manure, and other byproducts. This
makes it an efficient step in recycling.
Renewability: It takes a very long time for fossil fuels to be produced, but
biofuels are much more easily renewable as new crops are grown and
waste material is collected.
Security: Biofuels can be produced locally, which decreases the nation's
dependence upon foreign energy
Economic stimulation: Because biofuels are produced locally, biofuel
manufacturing plants can employ hundreds or thousands of workers,
creating new jobs in rural areas.
Lower carbon emissions: When biofuels are burned, they produce
significantly less carbon output and fewer toxins, making them a safer
alternative to preserve atmospheric quality and lower air pollution.
18. DISADVANTAGES OF BIOFUELS
Production carbon emissions: Several studies have been conducted to
analyze the carbon footprint of biofuels, and while they may be cleaner to
burn, there are strong indications that the process to produce the fuel including the machinery necessary to cultivate the crops and the plants to
produce the fuel - has hefty carbon emissions.
High cost: To refine biofuels to more efficient energy outputs, and to
build the necessary manufacturing plants to increase biofuel quantities, a
high initial investment is often required.
Food prices: As demand for food crops such as corn grows for biofuel
production, it could also raise prices for necessary staple food crops.
Food shortages: There is concern that using valuable cropland to grow
fuel crops could have an impact on the cost of food and could possibly
lead to food shortages.
Water use: Massive quantities of water are required for proper irrigation
of biofuel crops as well as to manufacture the fuel, which could strain
local and regional water resources.
19. CONCLUSIONs
Biofuels can be defined as solid, liquid or gas fuel derived from recently
dead biological material which differ it from fossil fuels that derived from
long dead biological material.
Biofuels production and consumption will contribute in solving the global
warming. It ensures that the natural Carbon cycle to be 100% achieved.
Agriculture sources produce many types of agro fuel, but the two main
products are: ethanol and biodiesel. Ethanol is produced from sugar
crops, starches and cellulose. It produced by fermentation process of
materials containing sugar. While biodiesel is produced from soybean,
oils, seed oils and fats. These agro fuels economically, creates permanent
jobs, and environmentally reduces air pollutant emissions. However, using
agriculture crops in their production results in increasing essential food
crops' prices.
Many biofuels are now produced from organic wastes such as biodiesel
which produced from cooking oils, methane from anaerobic digestion and
ethanol from wood waste.