Bioremediation

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What are the major benefits of bioremediation?

Completely natural process with almost no harmful side effects (correct)

Can be carried out in situ with no dangerous transport

Requires high energy consumption compared to other methods

Requires minimal equipment and energy

What factors are essential for effective microbial bioremediation?

Low soil moisture to prevent waterlogging

A wide pH range to accommodate different microbial growth

High oxygen levels to support anaerobic biodegradation

Appropriate temperatures for microbial growth and good microbial growth support (correct)

What is the best range of pH to ensure good microbial growth for bioremediation?

pH around 4 to 5

pH around 6.5 to 7.5 (correct)

pH around 8 to 9

pH around 2 to 3

What is the suitable soil moisture level for microbial bioremediation?

From 50–70% of the water holding capacity Signup and view all the answers

What should be enough to support aerobic biodegradation in soil or water for microbial bioremediation?

Oxygen level of 0.4 mg/liter Signup and view all the answers

Which of the following is a benefit of in situ bioremediation?

Low cost and low maintenance Signup and view all the answers

What is a common example of in situ bioremediation?

Phytoremediation Signup and view all the answers

Under what conditions may ex-situ bioremediation be necessary?

If the climate is too cold for microbe activity Signup and view all the answers

What is a key advantage of in situ bioremediation over ex-situ bioremediation?

Minimal disruption to soil structure Signup and view all the answers

What is the main mechanism of microbial degradation of petroleum pollutants?

Catalysis of intracellular enzymes Signup and view all the answers

Bioremediation

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Questions and Answers

What are the major benefits of bioremediation?

What factors are essential for effective microbial bioremediation?

What is the best range of pH to ensure good microbial growth for bioremediation?

What is the suitable soil moisture level for microbial bioremediation?

What should be enough to support aerobic biodegradation in soil or water for microbial bioremediation?

Which of the following is a benefit of in situ bioremediation?

What is a common example of in situ bioremediation?

Under what conditions may ex-situ bioremediation be necessary?

What is a key advantage of in situ bioremediation over ex-situ bioremediation?

What is the main mechanism of microbial degradation of petroleum pollutants?

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