Question: Problem # 1 Sludge is wet solids that result from the processing in municipal sewage systems. The sludge has to be dried before it can

Problem #

1

Sludge is wet solids that result from the processing in municipal sewage systems. The sludge has to be dried before it can be composted or otherwise handled. If a sludge containing

70 %

water and

30 %

solids is passed through a dryer, and the resulting product contains

25 %

water, how much water is evaporated per ton of sludge sent to the dryer?

Problem #1 Sludge is wet solids that result from the processing

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