石油化工2023，Vol.52Issue(12)：1663-1668,6.DOI:10.3969/j.issn.1000-8144.2023.12.004
环氧树脂精制技术优化研究
Study on optimization of epoxy resin refining technology
摘要
Abstract
Optimization of epoxy resin and wet salt refining was studied by cyclic washing method with high salt glycerol wastewater and homemade solvent.The experimental results show that under the conditions of resin/brine/homemade solvent mass ratio 1:1:1,washing temperature 50 ℃,washing time 30 min and using high-salt glycerol wastewater instead of reclaimed water for refining of crude resin by cyclic washing,the maximum number of cyclic washing can be 24,the Cl-content of the refined resin is 49.3 μg/g,and glycerol is not detected.The three-effect evaporation operation can be cancelled,and the brine can go directly to glycerol concentration device to concentrate glycerol.Under the conditions of homemade solvent/wet salt/brine mass ratio 1:1:1,washing temperature 50 ℃,and washing time 5 min,the refined salt without resin can be obtained by cyclic washing for 5 times.Compared with the existing process,the epoxy resin refining optimization technology has greatly reduced wastewater discharge,eliminated the three-effect evaporation operation,and reduced the solvent amount and regeneration energy consumption by 33.33％and 40％,respectively,thus realizing the purpose of energy conservation and emission reduction.关键词
环氧树脂/高盐甘油废水/循环洗涤/节能减排Key words
epoxy resin/high-salt glycerol wastewater/cyclic washing/energy conservation and emission reduction分类
化学化工引用本文复制引用
冯雪峰,张琳玉,唐晓东,吕颖荟,路丛..环氧树脂精制技术优化研究[J].石油化工,2023,52(12):1663-1668,6.基金项目
中国蓝星南通星辰合成材料有限公司项目(NTXC202110RD0001). （NTXC202110RD0001）
