STUDY ON THE HRMENTATION MATURITY OF URBAN DOMESTIC GARBAGE COMPOSTING
Zhang Suoming, Chen Shihe(Tongji University)
Composting is one of the effective methods in treating urban domestic garbage. This paper focused on control indexes of maturity in composting process. Based on the comprehensive study on,and comparason of eight control indexes of COD, VM, starch, cellulose, C/N, temperature, moisture and oxygen comsuming rate, it was concluded that oxygen consuming rate as the index of composting maturity was resonable, and easy to be applied in operational production. When compost was matured, its value of oxygen consuming rate wouled be 0.02-01%/min. The change of the rate value had something to do with volume of organic matter in composting.