difference between primary sludge and activated sludge
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It is sludge formed during primary sewage treatment. It is sludge formed during secondary sewage treatment. ... A lot of decomposition occurs during formation of primary sludge. Very little decomposition occurs during formation of activated sludge
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It is sludge formed during primary sewage treatment. It is sludge formed during secondary sewage treatment. ... A lot of decomposition occurs during formation of primary sludge. Very little decomposition occurs during formation of activated sludge.
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