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Table No page I Effect of Twostage Digestion on Sewage Solids
Solids Balance by A M Buswell and G E Symons
Average Daily Analysis of Fresh Sludge Monthly Periods
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acetate alkalinity Ammonia nitrogen ammonium acetate Ammonium Compounds amount of sludge BALANCE Pounds bicarbonate C02 C02 content calcium formate calculated carbon dioxide cent digestion cent solids circulation Composite Periods crude fiber cubic feet curves Dehydration digested sludge dissolved and bicarbonate draining error evaporating dish evaporation experiment fatty foam fresh sludge gallons of sludge gas collectors gas produced gasification Gooch crucible grease and cellulose hydrogen Imhoff tanks inches lagoon Left in tank methane monium nidus tank skim nitrogen free basis non-settling solids obtained Overflow Overflow Overflow Petroleum ether Primary stage primary tank Protein pump reported Sample cc scum Secondary stage SECONDARY TANK OVERFLOW Settling solids sewage sludge sludge digestion Sludge Drainability sludge level Sludge Sludge Sludge Sludge Transferred solids determination Solids digested sulfate digestion summary TANK Date tank liquors Tank Overflow Liquor tank sludge temperature tion Total nitrogen Transfer sludge Volatile acids volatile matter Water Survey