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Phytoremediation
Phytoremediation
4.4
Phytoremediation
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.
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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