METHOD FOR RESTRAINING GENERATION OF EXCESS SLUDGE

摘要

PROBLEM TO BE SOLVED: To provide a method for restraining the generation of excess sludge, which can be executed effectively at a low cost without causing such a problem of the conventional method when organic waste water is treated biologically that the quality of the treated water is deteriorated, the load to be imposed on a biological treatment tank is increased and the equipment cost is expensive.

SOLUTION: This method for restraining the generation of excess sludge comprises a step to bring a biodegradable plastic into contact with the sludge in an aerobic microbe treatment tank or a precipitation tank when organic waste water is treated in the aerobic microbe treatment tank.

COPYRIGHT: (C)2005,JPO&NCIPI