重庆市废有机溶剂产生特性

As the most important industrial city in Southwest China, Chongqing produced a large amount of organic solvents. The industries were many, the production points were difference, the components of waste organic solvents were complex and changeable. Based on the summary and analysis of hazardous waste transfer sheet and field investigation, the generation characteristics of waste organic solvents in Chongqing were investigated. The results show that waste organic solvents were produced from11industries in Chongqing. The amount of waste organic solvents in 2011 were about 200,000 tons, which. increased to more than 400,000 tons by 2015. The average annual growth rate was as high as 29%. The amount tended to be stable in 2016 and 2017. The total amount was almost 99% contributed from chemical industry, followed by the electronics industry and the automobile manufacturing industry. The mainly ways to dispose waste organic solvents in Chongqing, which were distillation recovery, incineration and cement kiln co-disposal. Combined with the characteristics of Chongqing's production industry, types and recycling methods, this paper put forward some suggestions on the management of waste organic solvents in Chongqing, such as classified recycling, increasing recovery rate and small exemption.