The document discusses the process of phytoremediation, which uses plants to remove pollutants from soil, sediment, surface water and groundwater. It describes various phytoremediation processes like phytoextraction, phytostabilization, and rhizofiltration. The document also covers the advantages of using phytoremediation compared to conventional remediation methods, as well as some limitations and challenges.
PHYTOREMEDIATION IN ENVT. MANAGEMENT - BIOTECHNOLGY ROLE...KANTHARAJAN GANESAN
It deals with, the various technologies involved in phytoremediation, mechanism, factors and biotechnology interventions for the improvement of remediation process etc...
PHYTOREMEDIATION IN ENVT. MANAGEMENT - BIOTECHNOLGY ROLE...KANTHARAJAN GANESAN
It deals with, the various technologies involved in phytoremediation, mechanism, factors and biotechnology interventions for the improvement of remediation process etc...
PHYTOREMEDIATION - Using Plants To Clean Up Our Environment - By HaseebHaseeb Gerraddict
Phytoremediation is the direct use of green plants and their associated microorganisms to stabilize or reduce contamination in soils, sludges, sediments, surface water, or ground water.
Phytoremediation may be applied wherever the soil or static water environment has become polluted or is suffering ongoing chronic pollution.Examples where phytoremediation has been used successfully include the restoration of abandoned metal mine workings, and sites where polychlorinated biphenyls have been dumped during manufacture and mitigation of ongoing coal mine discharges .
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phytoremediation plant list
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Phytoremediation /ˌfaɪtəʊrɪˌmiːdɪˈeɪʃən/ (from Ancient Greek φυτό (phyto), meaning 'plant', and Latin remedium, meaning 'restoring balance') refers to the technologies that use living plants to clean up soil, air, and water contaminated with hazardous contaminants.
phytoremediation plant list
phytoremediation hemp
phytoremediation definition
best plants for phytoremediation
phytoremediation of heavy metals
phytoremediation pdf
phytoremediation pros and cons
phytoremediation plant list
phytoremediation pdf
phytoremediation process
types of phytoremediation
phytoremediation trees
what is phytoremediation
phytoremediation article
phytoremediation examples
Phytostabilization refers to establishing a plant cover on the surface of the contaminated soils, which reduces their exposure to wind, water, and direct contact with humans or animals. Phytostabilization reduces the mobility, and therefore the risk, of inorganic contaminants without necessarily removing them from the site.
Phytoremediation in Plants: Types, Mechanisms, and Environmental Applications...The Lifesciences Magazine
Here are five types of Phytoremediation in Plants: 1. Phytoextraction, 2. Phytodegradation, 3. Rhizofiltration, 4. Phytostabilization, 5. Phytovolatilization.
PHYTOREMEDIATION - Using Plants To Clean Up Our Environment - By HaseebHaseeb Gerraddict
Phytoremediation is the direct use of green plants and their associated microorganisms to stabilize or reduce contamination in soils, sludges, sediments, surface water, or ground water.
Phytoremediation may be applied wherever the soil or static water environment has become polluted or is suffering ongoing chronic pollution.Examples where phytoremediation has been used successfully include the restoration of abandoned metal mine workings, and sites where polychlorinated biphenyls have been dumped during manufacture and mitigation of ongoing coal mine discharges .
phytoremediation plant list
phytoremediation advantages disadvantages
phytoremediation hemp
phytoremediation process
plants for phytoremediation
phytoremediation project
phytoremediation ppt
phytoremediation research papers
environmental engineering project topics
final year project topics
environmental topics for projects
environmental engineering research topics
engineering final year project ideas
environmental engineering projects
final year computer engineering projects
final year project for electrical engineering
phytoremediation plant list
plants for phytoremediation
what is phytoremediation
examples of phytoremediation
phytoremediation process
phytoremediation trees
best plants for phytoremediation
types of bioremediation
Phytoremediation /ˌfaɪtəʊrɪˌmiːdɪˈeɪʃən/ (from Ancient Greek φυτό (phyto), meaning 'plant', and Latin remedium, meaning 'restoring balance') refers to the technologies that use living plants to clean up soil, air, and water contaminated with hazardous contaminants.
phytoremediation plant list
phytoremediation hemp
phytoremediation definition
best plants for phytoremediation
phytoremediation of heavy metals
phytoremediation pdf
phytoremediation pros and cons
phytoremediation plant list
phytoremediation pdf
phytoremediation process
types of phytoremediation
phytoremediation trees
what is phytoremediation
phytoremediation article
phytoremediation examples
Phytostabilization refers to establishing a plant cover on the surface of the contaminated soils, which reduces their exposure to wind, water, and direct contact with humans or animals. Phytostabilization reduces the mobility, and therefore the risk, of inorganic contaminants without necessarily removing them from the site.
Phytoremediation in Plants: Types, Mechanisms, and Environmental Applications...The Lifesciences Magazine
Here are five types of Phytoremediation in Plants: 1. Phytoextraction, 2. Phytodegradation, 3. Rhizofiltration, 4. Phytostabilization, 5. Phytovolatilization.
• Bioremediation – process of cleaning up environmental sites contaminated with chemical pollutants by using living organisms to degrade hazardous materials into less toxic substances
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
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For more information, visit-www.vavaclasses.com
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
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.
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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.
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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2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
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1.4 modern child centered education - mahatma gandhi-2.pptx
Phytoremediation kust
1.
2. Presented By
Jehanzeb khan
PhD 1st Semester
Department of Botany
KUST
jehan8botany@gmail.com
Course Advisor
Dr Aziz Ullah
Assistant Professor
Department of Botany
KUST
4. OVERVIEW
Introduction of Phytoremediation
1. Application
2. Various phytoremediation processes
3. Role of genetics
4. Hyperaccumulators
5. Phytoscreening
6. Advantages and limitations
5. PHYTOREMEDIATION
The use of plants which lessen the
environmental problem without the need to dig
up the contaminant material and dispose of it
elsewhere.
phyto = plant
remedium = restoring balance
6. Application
Phytoremediation may be applied
wherever the soil or stagnant water
environment has become polluted or
is
suffering
ongoing
constant pollution.
Examples where phytoremediation
has been used successfully include
the restoration of abandoned metalmine workings, reducing the impact
of contaminants in soils, water, or air.
7. How does Phytoremediation work?
First process is Phytodegradation, which is when a plant
takes in TCE(Trichloroethylene) and degrades it into CO2
and chlorine before released into the atmosphere.
Another process is phytovolatilization which is when some
chemicals are taken in through the xylem and converted
into a gas through the stomata of the plant.
When plants go through these processes they leave
chemicals in stem for easy collection.
9. Various phytoremediation processes
A range of processes mediated by plants or algae are
useful in treating environmental problems:
1.
2.
3.
4.
5.
6.
Phytoextraction
Phytostabilization
Phytotransformation
Phytostimulation
Phytovolatilization
Rhizofiltration
10.
11. Phytoextraction
Plant roots uptake metal
contaminants
from the soil and translocate them to their
above soil tissues
Once the plants have grown and absorbed
the metal pollutants they are harvested
and disposed off safely
This process is repeated several times to
reduce contamination to acceptable levels
Hyper accumulator plant species are used
on many sites due to their tolerance of
relatively extreme levels of pollution
Avena sp. , Brassica sp.
Contaminants removed:
Metal compounds that have been
successfully phytoextracted include zinc,
copper, and nickel
12. Phytostabilisation
Vegetation holds contaminated soils in place
Root system and low growing vegetation
prevent mechanical transportation of pollutants
from wind and erosion.
Trees transpire large quantities of water
(more than 15 gal/day) so pumping action
prevents contaminants from migration into the
water table (leaching).
13. Phytotransformation
chemical modification of environmental substances as a
result of plant metabolism resulting in their inactivation,
degradation (phytodegradation), or immobilization
(phytostabilization).
Trichloroethylene (TCE), a widespread ground
water contaminant, transformed to less toxic
metabolites by using hybrid poplar tree.
Air Force facility in Texas using cottonwoods to
treat a large ground water cloud of TCE.
EPA research lab using parrot feather (a
common aquatic weed) for TNT treatment.
14. Phytostimulation
Phytostimulation is the process where root released
compounds enhance microbial activity in
the rhizosphere.
Rhizosphere = soil + root + microbes
Symbiotic relation
Enhanced rhizosphere biodegradation
Phytostimulation
Plant assisted bioremediation
15. Continued…..
Sugars, alcohols, and organic acids act as carbohydrate
sources for the soil microflora and enhance microbial
growth and activity.
Act as chemotactic signals for certain microbes.
The roots also loosen the soil and transport water to the
rhizosphere thus enhancing microbial activity
Digest organic pollutants such as fuels and solvents,
producing harmless products
16.
17.
18. Phytovolatilization
Plants uptake contaminants which are water soluble and
release them into the atmosphere as they transpire the
water
The contaminant may become modified along the way,
as the water travels along the plant's vascular system
from the roots to the leaves, whereby the contaminants
evaporate into the air surrounding the plant
Poplar trees volatilize up to 90% of the TCE they absorb
19.
20. Rhizofiltration
filtering water through a mass of roots to
remove toxic substances or excess
The contaminants are either adsorbed onto the
root surface or are absorbed by the plant roots
1995, Sunflowers were used in a pond near
Chernobyl
Plants used for
22. Role of genetics
Genetic engineering is a powerful method for
enhancing natural Phytoremediation
capabilities, or for introducing new capabilities
into plants.
Example, genes encoding a
nitroreductase from a bacterium were inserted
into tobacco and showed faster removal of TNT
and enhanced resistance to the toxic effects of
TNT
23. Hyperaccumulators
A plant that absorbs toxins, such as heavy
metals, to a greater concentration than that in
the soil in which it is growing
A number of interactions may be affected by
metal hyperaccumulation:
mutualism (including mycorrhizae)
24. Phytoscreening
Plants are able to translocate and accumulate
particular types of contaminants:
plants can be used as biosensors of subsurface
contamination
Phytoscreening may lead to more optimized site
investigations and reduce contaminated site
cleanup costs
25. Advantages
Cost effective when compared to other more
conventional methods.
“natural” method, more aesthetically pleasing.
minimal land disturbance.
reduces potential for transport of
contaminants by wind, reduces soil erosion
hyper-accumulators of contaminants mean a
much smaller volume of toxic waste.
multiple contaminants can be removed with the
same plant.
26. Disadvantages
Slow rate and difficult to achieve acceptable
levels of decontamination.
Possibility of contaminated plants entering
the food chain.
Possible spread of contaminant through
falling leaves.
Trees and plants require care.
Contaminant might kill the tree.
Degradation product could be worse than
original contaminant.
Only surface soil (root zone) can be treated
Cleanup takes several years
27. Conclusion
Although much remains to be studied,
Phytoremediation will clearly play some role in the
stabilization and remediation of many contaminated
sites.
The main factor driving the implementation of
Phytoremediation projects are low costs with significant
improvements in site aesthetics and the potential for
ecosystem restoration.