You are working on a site contaminated with toluene. Your groundwater testing sh

Question

You are working on a site contaminated with toluene. Your groundwater testing shows a high concentration of toluene in groundwater. You have also detected Azoarcus tolulyticus in sediments/soil samples. Which of the following statements is not true? Microbes such as Azoarcus tolulyticus require both electron acceptors and electron donors Toluene can be used as an electron donor by microbes. Toluene can be used as an electron acceptor by microbes By increasing nitrate, ferric, or sulfate ions concentration, such compounds act as elector acceptors, you can enhance the biodegradation rate of toluene.

Explanation / Answer

When the ground water testing shows high contamination of toluene and also detected by Azocarcus tolulytics in sediments / soil samples ,

Toluene can be used as electron acceptor is false .

Because nitrate is the terminal electron acceptor in these microbes .

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