There is disclosed a process for preparing polytrimethylene ether glycol by acid catalyzed polycondensation, neutralization and contact with filter aid. The process avoids hydrolysis and yet provides product substantially free of catalyst derived end groups.

 
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< Continuous process for the preparation of polytrimethylene ether glycol

> Process for the preparation of 1,1,1,2,2-pentafluoroethane

> Measuring and dispensing system for solid dry flowable materials
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