what is sludge?

Study the given differences between primary sludge and activated sludge and select the incorrect ones. {:("Primary sludge","Activated sludge"),((i)"It is sludge formed during primary sewage treatment","It is sludge formed during secondary sewage treatment"),((ii)"It possesses flocs of decomposer microbes","It does not possess flocs of decomposer microbes"),((iii)"It does not require aeration","Formation of activated sludge required aeration"),((iv)"A lot of decomposition occurs during formation of primary sludge","Very little decomposition occurs during formation of activated sludge"):}

Study the given differences between primary sludge and activated sludge and select the incorrect ones. Primary Sludge Activated sludge (i) It is sludge formed during primary sewage treatment. It is sludge formed during secondary sewage treatment. (ii) It possesses flocs of decomposer microbes. It does not possess flocs of decomposer microbes. (iii) It does not require aeration. Formation of activated sludge requires aeration. (iv) A lot of decomposition occurs during formation of primary sludge. Very little decomposition occurs during formation of activated sludge.

Study the given differences between primary sludge and activated sludge and select the incorrect ones. Primary Sludge Activated sludge (i) It is sludge formed during primary sewage treatment. It is sludge formed during secondary sewage treatment. (ii) It possesses flocs of decomposer microbes. It does not possess flocs of decomposer microbes. (iii) It does not require aeration. Formation of activated sludge requires aeration. (iv) A lot of decomposition occurs during formation of primary sludge. Very little decomposition occurs during formation of activated sludge.

Study the given differences between primary sludge and activated sludge and select the incorrect ones. Primary Sludge Activated sludge (i) It is sludge formed during primary sewage treatment. It is sludge formed during secondary sewage treatment. (ii) It possesses flocs of decomposer microbes. It does not possess flocs of decomposer microbes. (iii) It does not require aeration. Formation of activated sludge requires aeration. (iv) A lot of decomposition occurs during formation of primary sludge. Very little decomposition occurs during formation of activated sludge.

(a) How does activated sludge get producedd during sewage treatment? (b) Explain how this sludge is used in blogas production.

What is activated sludge ?

What is activated sludge ?

What is activated sludge ?

What happens to activated sludge?

What happens to activated sludge?