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Transcript of Untitled Prezi
By: Aneeza Bhatti
WHAT IS BIOREMEDATION?
Bioremediation uses living organisms to clean up or remove pollution from soil or water. Bacteria and plants can degrade or neutralize a wide variety of contaminants.
HOW DOES IT WORK?
1. Enzymes released by the microbe break the
down into digestible pieces.
2. The contaminant is consumed as food by the cell.
3. Harmless biological wastes are all that remain of the contaminant.
HOW IS BIOREMEDATION USED ?
THREE TYPES OF BIOREMIADATION
Are contents that are harmful to humans, animals and the environment.
Bioremedation can be used as a clean up method for contaminated soil and water. The contamination cleanup strategy called bioremediation—using naturally occurring or genetically modified microbes to clean up our messes.
On site treatment
Bioremediation is cost effective
No health or safety risk for employes
Microbe population must increase
Growth conditions are determined at contaminated sites. Controlling these conditions may be difficult.
There are three types of bioremediation:
: to the contaminated soil/water, nutrients are added, either in liquid form or gas form, helping to increase the activity of existing bacteria.
: microorganisms are add to the contaminated soil/water, most commonly when the contaminated substance has been moved from the origanal site.
: is the process in which existing microorganisms clean up without human intervention.
The metabolic processes:
(building complex molecular structures from simple ones)
The microorganisms in the contaminated sites take in the chemicals (carbon, nitrogen, etc.) to build their own cells. To take in theses molecules the organisms need energy, this is where the other half of the metabolic process comes in: catabolism.
(the process in which those complex molecules are broken down)
Microorganisms can gain energy from their environment due to catabolism. They take in the chemicals and break them down, releasing energy.
The microorganisms use this energy to carry out the process of anabolism.