Civil Engineering - Waste Water Engineering - Discussion

42. 

The first stage of neutral process of sludge digestion, is

[A]. acid fermentation
[B]. acid regression
[C]. alkaline fermentation
[D]. none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Pratik Taware said: (May 27, 2018)  
1. Acid Fermentation.
2. Alkaline Fermentation.
3. Acid Regression.

Ajay said: (Dec 4, 2018)  
correct sequence is;

1. Acid Fermentation.
2. Acid Regression.
3. Alkaline Fermentation.

Krishnendu Chakraborty said: (Dec 26, 2018)  
The Correct Steps are;

1) Acid Fermentation.
2) Acid Regression.
3) Alkaline Fermentation.
4) Methene Formation.

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