Process and apparatus for preparing purified styrene composition from styrene-containing feedstock

Process and apparatus for preparing purified styrene composition from styrene-containing feedstock

The present invention relates to a process for preparing a purified styrene composition at a styrene yield of at least 80% wherein the process comprises providing a crude composition comprising styrene and subjecting the crude composition to at least one crystallization step, wherein the at least on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KHANDELWAL RAJESH, GENTRY JOSEPH C, WICHELY ROBERT, RIOUL, C, SLIMP B BRYANT, STEPANSKI MICHAEL, KIRSCHNER CHRISTOPH, ANDERSON KEITH, NAULITA-ELLIS MICHAEL, PUDAK CAGATAY, DRIC
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:The present invention relates to a process for preparing a purified styrene composition at a styrene yield of at least 80% wherein the process comprises providing a crude composition comprising styrene and subjecting the crude composition to at least one crystallization step, wherein the at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage. 本发明涉及以至少80%的苯乙烯收率制备纯化苯乙烯组合物的方法，其中所述方法包括提供含有苯乙烯的粗组合物，并对所述粗组合物施以至少一个结晶步骤，其中所述至少一个结晶步骤包括至少一个静态结晶阶段和至少一个动态结晶阶段。