Which of the following is correct regarding pH in different stages of the sludge digestion process? Options: A . &nbspAcid fermentation > Acid regression > Alkaline fermentation B . &nbspAcid regression > Acid fermentation > Alkaline fermentation C . &nbspAcid fermentation < Acid regression < Alkaline fermentation D . &nbspAcid fermentation < Acid regression > Alkaline fermentation

Which of the following is correct regarding pH in different stages of the sludge

Question

Which of the following is correct regarding pH in different stages of the sludge digestion process?

Options:

A . Acid fermentation > Acid regression > Alkaline fermentation

B . Acid regression > Acid fermentation > Alkaline fermentation

C . Acid fermentation < Acid regression < Alkaline fermentation

D . Acid fermentation < Acid regression > Alkaline fermentation

Answer: Option C
Answer: (c).Acid fermentation < Acid regression < Alkaline fermentation

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Question 1. Which gas evolves the most in the sludge digestion process?....

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Question 8. Which of the following is the correct expression of the aeration period in hours?....

Question 9. The organic loading in an activated sludge plant is defined as ___________....

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