Process to recycle exhaust gases from n-butane conversion into m

Details Process to recycle exhaust gases from n-butane conversion into m Process to recycle exhaust gases from n-butane conversion into m

1995-02-28

1997-11-18

Glass, Margaret W.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30760

Patent

active

056889704

ABSTRACT:
In producing maleic anhydride by catalytic oxidation of butane in vapor phase, the reaction mixture consists of butane and a recycle gaseous current made of compressed air and exhaust gas recovered from the absorption stage by a solvent of the maleic anhydride produced; oxygen and total butane concentration in the recycle stream are controlled.

REFERENCES:
patent: 3891680 (1975-06-01), Katsumoto et la.
patent: 4231943 (1980-11-01), Paradis et al.
patent: 4259246 (1981-03-01), Bakshi etal.
patent: 5069687 (1991-12-01), Bertola et al.

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