绿色生物菌剂协同化学药剂对污泥深度脱水的研究进展

Research Progress on Deep Dewatering of Sludge by Green Biological Agents and Chemical Agents

市政污水处置过程中产生了大量污泥,其中含有大量水分和多种有害物质,因此必须进行合理地处置。本文研究了污泥处理的现状,对生物脱水、化学药剂脱水、绿色生物菌剂与化学药剂协同脱水、基于物理方法的其他脱水方式的作用及原理和优劣特性等进行了综述及分析,总结出绿色生物菌剂协同化学药剂方法对于污泥深度脱水的优势与技术难题,从而提出并展望了未来城市污水污泥处理“因地制宜,多种处理技术联合应用”的新技术框架。

The urban sewage sludge,which come from the municipal sewage disposal process,must be properly disposed due to the characteristics of a lot of water and a variety of harmful substances.The current situation of sludge treatment is studied,and the principle and advantages and disadvantages of biological dehydration,chemical agent dehydration,green biological agent and chemical agent synergistic dehydration,and other dewatering methods based on physical methods are reviewed and analyzed.The advantages and disadvantages of green biological agent synergistic chemical agent method for sludge deep dewatering are summarized.The new technical framework of“Based on local conditions and combination of various processing technologies”is prospected for the future urban sewage sludge treatment.