Abstract:With the rapid development of society, the amount of sewage treatment is increasing, resulting in the increment of the yield of sludge year by year.As a kind of available energy, biomass contained in sludge is used for incineration to generate power, and has become a research hotspot in the field of environmental protection.Based on the existing sludge heat treatment technology and the sludge coupling power generation process of coal-fired units, the research progress and application of the heat treatment technology before sludge incineration are introduced.The adaptability, effectiveness and rationality of the drying technology and carbonization technology for sludge incineration are comprehensively analyzed from the aspects of influencing factors, generation and control of pollutants and energy consumption, which provides reference for sludge treatment and disposal, and biomass coupling coal-fired power generation technology.