Method for recovering glycerin in production of pentanediol

Method for recovering glycerin in production of pentanediol

The invention relates to a method for recovering glycerin in production of pentanediol, which comprises the following steps: catalyzing and hydrolyzing glyceryl borate with acid after the pentanediolis collected by distillation; cooling and crystallizing; separating boric acid, and recovering the gl...

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Hauptverfasser: YAN RUHE, BIAN XIAOHONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator YAN RUHE
BIAN XIAOHONG
description The invention relates to a method for recovering glycerin in production of pentanediol, which comprises the following steps: catalyzing and hydrolyzing glyceryl borate with acid after the pentanediolis collected by distillation; cooling and crystallizing; separating boric acid, and recovering the glycerin. The invention solves the problem of recovery of the glycerin in residue after the product is distilled in the production of the pentanediol, lowers the production cost and reduces the pollution to the environment.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title Method for recovering glycerin in production of pentanediol
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