name two things that can be made from sludge extract during treatment of sludge and mention its uses
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1 toh Teri @mm@ ki ch@t fir joh terre ko loaga would raise I love @ur m@?
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The sewage sludge that is dried and in compact form can be used a very good fertilizer due to its high organic content. Another use of sewage is as alternative fuel instead of fossilized fuels, in factories like cement factory. Also the ash produced afterwards can be infused in the produced cement matrix.
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