Patent ID: 9545583
Date: 2017-01-17
CPC Classifications: B01D,C02F,C07B,C07C,C07D,C10G

Claim:
1. A method of separating water from an organic liquid from a composition containing water and the organic liquid, comprising adding to the composition a polyol comprising glycerol that causes separation of the composition into at least two liquid phases, wherein a first phase is aqueous and the second phase is organic, and wherein the organic liquid is a polar aprotic liquid selected from the group consisting of dibutylphthalate, dimethylphthalate, t-butylmethylether, mesitylene, toluene, benzene, p-xylene, diethyl ether, ethyl acetate, propylene carbonate, 1,2-dimethoxyethane, methyl benzoate, tetrahydrofuran, 2-methyltetrahydrofuran, halogenated alkanes, cyclopentanone, 2-butanone nitromethane, acetone, and cyanated alkanes, and wherein the second phase is great than about 80% pure with respect to the organic liquid.