METHOD AND DEVICE FOR PRODUCING PURIFIED STYRENE COMPOSITION FROM STYRENE-CONTAINING RAW MATERIAL Russian patent published in 2024 - IPC C07C15/46 C07C7/14 B01D9/00 

Abstract RU 2826288 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing a purified styrene composition with a styrene output of at least 80%. Method involves providing a crude composition containing styrene and subjecting the crude composition to at least one crystallisation step. At least one crystallisation step comprises at least one static crystallisation step and at least one dynamic crystallisation step. Invention also relates to an apparatus.

EFFECT: use of the proposed invention enables to obtain an end product with high degree of purity.

17 cl, 5 dwg, 3 tbl, 1 ex

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RU 2 826 288 C1

Authors

Khandelwal, Rahul

Gentry, Joseph C.

Wytcherley, Randi

Anderson, Kimberly

Naulita-Ellis, Meta

Pudack, Claudia

Rioual, Celine

Kirschner, Christoph

Slimp, B. Bryant

Stepanski, Manfred

Temmel, Erik

Dates

2024-09-09Published

2021-05-07Filed