The color of the secondary sludge produced from the high rate trickling filter is ___________ Options: A . &nbspGray B . &nbspBlack C . &nbspBrown D . &nbspGreen

The color of the secondary sludge produced from the high rate trickling filter i

Question

The color of the secondary sludge produced from the high rate trickling filter is ___________

Options:

A . Gray

B . Black

C . Brown

D . Green

Answer: Option C
Answer: (c).Brown

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Question 1. The hydrogen sulfide gas formed during the filtration of sewage can be removed by ___________....

Question 2. _______ is the ratio of volume of recirculated sewage to the raw sewage.....

Question 3. The range of organic loading in kg/hectare metre/ day in a high rate trickling filter is ___________....

Question 4. The expression of the recirculation factor F is given by ___________....

Question 5. The size of filter media in a high rate trickling filter is ___________....

Question 6. Recirculation increases the efficiency of high rate trickling filters.....

Question 7. Which of the following process is not involved in the treatment of sludge?....

Question 8. Which of the following is the final stage in the sludge treatment process?....

Question 9. In which sludge treatment process, the organic solids are converted into more stable form?....

Question 10. The process of removal of water from the sludge is called ______....

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