The sludge generated from backwashing the filters is sent to a spent washwater tank for recirculation through the facility to minimize waste. |
The rate of sludge generation in septic tanks is around 0.05 cubic yards every year for an individual. |
The discovery came about during rescue excavations on Thames Water's sludge works. |
A knobby, trail-runner-type outsole makes short work of Atlantic City sludge. |
After Sludge 1 and 2 had executed their formation take-offs, Sludge 3 and 4 began their engine run-ups. |
Even our fruits and vegetables get contaminated by these pathogens through exposure to tainted fertilizers and sewage sludge. |