Recently deep researches on new methods of sludge reduction are conducted, based on chemical oxidation and metabolic uncoupling.
最近，基于化学氧化和解偶联的污泥减量新方法得到更深入研究。
2
The research on optimizing chemical dosage consumption is an important question for discussion in thickened sludge dewatering operation.
确定絮凝剂的最佳投药量的研究一直是污水处理厂运行中的一个重要课题。
3
The composting sludge mixed with straw pole and chemical fertilizer to make compound fertilizer, which can apply to rice growing, with the yield increase by 11.