发明授权
US08128787B2 Membrane-augmented distillation with pressure change to separate solvents from water 有权
增压蒸馏,压力变化,以将溶剂与水分离

Membrane-augmented distillation with pressure change to separate solvents from water
摘要:
Processes for removing water from organic solvents, such as ethanol. The processes include distillation in two columns operated at sequentially higher pressure, followed by treatment of the overhead vapor by one or two membrane separation steps.
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