Process of preparing an alkylene glycol

Details Process of preparing an alkylene glycol Process of preparing an alkylene glycol

2006-09-12

2006-09-12

Barts, Samuel (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

Reexamination Certificate

active

07105710

ABSTRACT:
A process of preparing an alkylene glycol which process involves: i) reacting a respective alkylene oxide and water in a first reactor, ii) removing from the first reactor a reactor output mixture comprising an alkylene glycol and unreacted water, iii) transferring a proportion of the reactor output mixture to a distillation unit and a proportion of the reaction output mixture to a second reactor containing a catalyst, iv) reacting the reaction output mixture in the second reactor with a further amount of the respective alkylene oxide, and v) transferring a reactor output mixture from the second reactor to a distillation unit.

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