Composting of sludges from residual water purificn. plants

摘要

The sludge is mixed with ligno-cellulosic materials in wt. ratio of 2:1 and composted in plastics bins filled to 70 % capacity of 60 l, in a chamber at 28 deg. C. and 70 % RH for 60-70 days, with aeration of the contents