GLYCOL SEPARATION AND PURIFICATION

GLYCOL SEPARATION AND PURIFICATION

A process and an apparatus for the separation of a homogeneous catalyst solution from crude monoethylene glycol (MEG) and for purifying MEG is provided. The apparatus includes a catalyst separation section, an MEG rectification section, a stripping section and a pasteurization section, wherein the M...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WESTERINK, ANTON PIETER, BASTINGS, ROEL GUILLAUME HUBERTUS LEONARDUS
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A process and an apparatus for the separation of a homogeneous catalyst solution from crude monoethylene glycol (MEG) and for purifying MEG is provided. The apparatus includes a catalyst separation section, an MEG rectification section, a stripping section and a pasteurization section, wherein the MEG rectification and pasteurization sections are located within a MEG purification column, and the catalyst separation section is either located in the MEG purification column or in a separate upstream vessel, and wherein the catalyst separation section includes a crude MEG vapor feed inlet to the MEG rectification section.