Method for separating monopropylene glycol from a mixture comprising monopropylene glycol and propylene carbonate, wherein the mixture is subjected to distillation at such temperature and pressure that a monopropylene glycol product is distilled off and condensed, which monopropylene glycol product comprises less than 1.0 wt% propylene carbonate.
申请公布号
WO02098829(A1)
申请公布日期
2002.12.12
申请号
WO2002EP06315
申请日期
2002.06.06
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.;VROUWENVELDER, CORNELIS, LEONARDUS, MARIA