Process for the purification of maleic anhydride

Details Process for the purification of maleic anhydride Process for the purification of maleic anhydride

1999-03-19

2000-09-19

Dentz, Bernard

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 71, 203 73, 203 84, B01D 314

Patent

active

061206547

ABSTRACT:
Processes for the purification and color stabilization of crude maleic anhydride by distillation in a batch or continuous distillation column.

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