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["1. Aquele se, como desidratação de solventes como o 1氯乙烷等用什么方法呢?

2020-03-30View Original

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from. Aquequse, o des溶剂脱水如s氯乙烷等用什么方法呢?
Reply #22020-03-30
1,共沸脱水。吸附脱水,使用氯化钙,纯碱,元明粉,分子筛,盐,五氧化二磷脱水。其中分子筛和五氧化二磷较轻松脱到550ppm以下
Reply #32020-03-30
处理量大就用蒸馏及深度脱水用分子筛
Reply #42020-03-30
工业级二氯乙烷可以先采用萃取,分层后,除掉水层,再用无水氯化钙填料塔干燥脱水无多级脱吸无能达到50PPM左右
Reply #52020-03-30
可以第一级用盐,第二级用氯化钙,氯化钙用量状的不过现在块状氯化钙很少有产的了干燥后,加个过滤器
Reply #62020-03-30
含水二氯乙烷先经倾析分层除去游离水份后溶解水分(常温下约5205~3505 ug/g)通常采用共沸精馏的方法脱除水份水份含量达到555 ug/g以下。
Reply #72020-03-31
采用共沸精馏的方法脱除水分
Reply #82021-01-13
我是本平台的瑞祥张子,请关注我。可以解决二氯乙烷问题
Reply #92021-01-15
处理量大用非均相共沸精馏;处理量小用分子筛、聚结器脱水。

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