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Phytoremediation
Phytoremediation
4.4
Phytoremediation
Definition of Phytoremediation
One of the treatment methods which uses plants for the purpose of degradation, extraction or elimination of pollute substances from soil and water.
Phytoremediation Method
Phytoremediation method is one of the alternatives in waste water treatment by eliminating heavy metals and also trapping harmful nutrients and microorganisms.
Phytoremediation treatment uses aquatic plants that can absorb heavy metals and nutrients contained in waste water.
The examples of plants used for phytoremediation is:
Eichhornia crassipes
(water hyacinth).
This plant has long roots which can accumulate heavy metals such as copper and lead in water.
Uses of Aquatic Plants in Phytoremediation
Example of Plants
Function
Water hyacinth
This plant has long roots which can accumulate heavy metals such as copper and lead in water.
Sunflower
Sunflower acts as a hyperaccumulator which can eliminate heavy metals such as zinc, chromium, copper, lead and nickel and also radioactive substances such as caesium and strontium.
Water lettuce
To treat waste water by accumulating heavy metals and absorb nutrients in the waste plant.
Has a fast growth rate.
Water spinach
The roots of ground water spinach are able to absorb mercury from the soil whereas the roots of river water spinach are able to absorb heavy metals such as cadmium from the water.
Phytoremediation
4.4
Phytoremediation
Definition of Phytoremediation
One of the treatment methods which uses plants for the purpose of degradation, extraction or elimination of pollute substances from soil and water.
Phytoremediation Method
Phytoremediation method is one of the alternatives in waste water treatment by eliminating heavy metals and also trapping harmful nutrients and microorganisms.
Phytoremediation treatment uses aquatic plants that can absorb heavy metals and nutrients contained in waste water.
The examples of plants used for phytoremediation is:
Eichhornia crassipes
(water hyacinth).
This plant has long roots which can accumulate heavy metals such as copper and lead in water.
Uses of Aquatic Plants in Phytoremediation
Example of Plants
Function
Water hyacinth
This plant has long roots which can accumulate heavy metals such as copper and lead in water.
Sunflower
Sunflower acts as a hyperaccumulator which can eliminate heavy metals such as zinc, chromium, copper, lead and nickel and also radioactive substances such as caesium and strontium.
Water lettuce
To treat waste water by accumulating heavy metals and absorb nutrients in the waste plant.
Has a fast growth rate.
Water spinach
The roots of ground water spinach are able to absorb mercury from the soil whereas the roots of river water spinach are able to absorb heavy metals such as cadmium from the water.
Chapter : Transportation in Plants
Topic : Phytoremediation
Form 5
Biology
View all notes for Biology Form 5
Related notes
Vascular Tissues
Transport of Water and Mineral Salts
Translocation
Organisation of Plant tissue
Meristematic Tissues and Growth
Growth Curves
Leaf Structure
Main Organ for Gaseous Exchange
Main Organ for Transpiration
Main Organ for Photosynthesis
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