Silicone slurry residue treatment system and treatment technology thereof
A processing system and organosilicon technology, applied in the direction of organic chemistry, process efficiency improvement, inorganic chemistry, etc., can solve the problems of secondary pollution, effective resources, waste, etc., and achieve the effect of saving investment, improving utilization efficiency, and mild operating conditions
Inactive Publication Date: 2019-06-18
TIANJIN UNIV +1
12 Cites 3 Cited by
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Abstract
The invention belongs to the technical field of waste treatment, and discloses a silicone slurry residue treatment system and a treatment technology thereof. The inlet of an azeotropic evaporation kettle device is connected with a mixing tank for mixing a silicone slurry residue source and an azeotropic solvent, a silane substance in the slurry residue is azeotropically evaporated together with the solvent, the obtained evaporated product enters an evaporated product rectification tower, a silicone high-boiling liquid phase monomer product is obtained from the bottom of the tower, and is sentinto a high-boiling cracking device to recover effective components, and an azeotropic solvent obtained from the top of the tower can be reused; and a residual liquid in the azeotropic evaporation kettle device, is filtered and dried, and then enters a waste powder deactivation device to extract and recover valuable components such as copper and silicon. The silicone slurry residue which is difficult to treat is evaporated and rectified to recover the valuable monomers and produce high-boiling methylchlorosilane, so the useful high-boiling methylchlorosilane in the slurry residue is recycled,the reduction treatment of the silicone slurry residue is achieved, the production cost is greatly reduced, and good economic benefits are obtained.
Application Domain
Group 4/14 element organic compoundsProcess efficiency improvement +1
Technology Topic
SolventChemistry +17
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