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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Authors
Dates
2024-09-09—Published
2021-05-07—Filed