Texas Waste Water Treatment Ch#15.7 Sludge Digestion - Statistics

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Answer Stats

Question	Answer	% Correct
If 5,000 gallons of sludge containing 1.5% solids is dewatered to 6% solids, what would the new volume be in gallons?	1,250 GAL	100%
150,000 gallons of raw sludge are pumped to the digester each month. The raw sludge is 96% moisture and 30% ash. After digestion, the moisture content is 93% and 50% ash. How many gallons of digested sludge should be withdrawn to keep the digester in balance?	51,429 GAL	50%
Sludge is drawn onto a 30 by 50 ft. drying bed to a depth of 9 in. Calculate the number of gallons spread onto the bed.	8,415 GAL	50%

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