In order to improve the level of titanium gypsum disposal and utilization,and promote China's"waste-free city"work,a nationwide survey is conducted on the technological development status of the titanium dioxide industry.Full life cycle analysis is performed on the generation,and disposal and utilization technologies application status of titanium gypsum.Thirty titanium gypsum samples are collected in China and analyzed for composition.The problems faced by titanium gypsum generation,discharge,disposal and utilization are summarized,and the policy suggestions are proposed as follows:guiding industrial layout adjustment,achieving"waste-free"at the source,increasing the recycling and utilization amount of waste acids,minimizing wastes in the process,improving the level of clean wastewater production,replacing end treatment with recovery,exploring the high-quality and large-scale utilization methods for titanium gypsum,and replacing traditional storage with efficiency and value enhancement.
关键词
钛白粉/钛石膏/处置利用/政策建议
Key words
titanium dioxide/titanium gypsum/disposal and utilization/policy suggestion
维普
万方数据