Utilization of residue in DMT refining process

A process for comprehensive utilization of waste (also known as residual dregs) generated after distillation of crystallizing mother liquor of dimethyl tere-phthalate (DMT) during production of DMT includes such technological steps as: pre-treating, ester exchange reaction and post-treatment of coar...

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Bibliographic Details
Main Authors XUJIANG SUN, JUN ZHANG, QIANG FU
Format Patent
LanguageEnglish
Published 05.11.1997
Edition6
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:A process for comprehensive utilization of waste (also known as residual dregs) generated after distillation of crystallizing mother liquor of dimethyl tere-phthalate (DMT) during production of DMT includes such technological steps as: pre-treating, ester exchange reaction and post-treatment of coarse ester to obtain esterified substance which is used as plasticizer of plastics.
Bibliography:Application Number: CN1996104753