Research progress on life cycle assessment of sludge treatment and disposal
The commonly used sludge treatment and disposal technologies were reviewed.The definition and technical framework of life cycle assessment was introduced,and the research progress on the life cy-cle assessment of sludge treatment and disposal technologies was summarized,compared,and discussed.The environmental impact of different sludge treatment technologies were analyzed.The current deficiency and the development direction of the life cycle assessment studies on sludge treatment and disposal were summarized and put forward.