Continuous separation of maleic anhydride from gaseous reaction

Details Continuous separation of maleic anhydride from gaseous reaction Continuous separation of maleic anhydride from gaseous reaction

1984-12-14

1985-12-31

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

549257, 549258, 549262, 562595, 568864, C07C 6708

Patent

active

045622833

ABSTRACT:
Maleic anhydride is separated off from gaseous reaction mixtures by a continuous process in which the gaseous reaction mixture containing the maleic anhydride is brought into contact with butanol, the gaseous substances obtained in this procedure are brought into contact with butyl maleate by a countercurrent method, and the liquid product is removed from the bottom.

REFERENCES:
patent: 3830830 (1974-08-01), Cleveland et al.
patent: 3875210 (1975-04-01), Golembeski
patent: 3923881 (1975-12-01), Murib et al.
patent: 3979443 (1976-09-01), Schwartz et al.
patent: 4032458 (1977-06-01), Cooley et al.
patent: 4268695 (1981-05-01), Lange et al.
patent: 4361710 (1982-11-01), Weitz et al.

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