Editorial Note on Sewage Sludge Compost Process

Sewage sludge (SS) may be a by-product of waste material treatment method, which contains a great deal of N, P, K and alternative harmful parts, like significant metals and unhealthful microorganisms. With the expedited development of urbanization, the waste treatment capability is increasing year by year in China, that results in massive amounts of SS can't be treated effectively in time. China's urban SS is growing at a rate of thirteen a year, with annual SS production expected to exceed sixty million tons by 2020, that the economical and safe disposal of SS has become one amongst the most issues in China. The urgency of SS treatment has been stressed in China's new environmental law and “The interference and management Action arrange of Water Pollution”6. Aerobic high-temperature composting is one amongst the effective ways in which to appreciate SS reduction, innocuity and use, what is more, its merchandise will be used as organic and soil conditioner. Admittedly, N |element| gas} was a key element in compost and will be recycled in agricultural application. However, regarding 40% to 80% element was lost through NH3 emission within the SS compost method, such a lot element loss should cut back compost quality and cause air pollution.