Total solids %
(Weight of dry oven sludge)(100)/ weight of wet sludge
Volatile solids %
(Weight of material lost by burning)(100)/ with of dry oven sludge
Digester loading rate (lbs/ day/ft^3)
(Volatile solids added, lbs/ day)/ digester volume, ft^3
Composting mixture moisture %
[(Sludge, lb)(moisture%/100%)]+[(compatible, lbs)(modifies%/100%)][100%]/(sludge, lbs)+(compost,lbs)