However, in current main biochemical sewagetreatment technology, the aeration devices are the primary energy-consuming equipments, which system costs about 50-70% of the total power consumption.
Sewage sludge which mainly comes from the primary settling tank and discharge of surplus sludge is the deposit produced in each operating unit in municipal wastewater treatment plant.
城市污泥是城市污水处理厂经各级处理净化污水而产生的沉积物,主要来自初沉池和剩余污泥的排放。
3
Primary pulp sewage has been treated by intensified first level treatment reactor.