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Guyse plz.. plzdiffrentiate betweensludge andactivated sludge.FastFast....❤ |
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Answer» tion:SLUDGE is the solid substance which floats when the SEWAGE is passed through bar screens and it is ALLOWED to settle down,sludge is obtained. Activated sludge MEANS when the sludge is allowed to settle down to purify it further the SUSPEND microbes in it act as activated sludge |
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