Process for producing M-xylene from O-xylene

Details Process for producing M-xylene from O-xylene Process for producing M-xylene from O-xylene

1988-10-04

1990-02-20

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

585828, C07C 522

Patent

active

049028430

ABSTRACT:
A process for producing m-xylene, which comprises isomerizing a hydrocarbon material containing o-xylene as a main ingredient in the presence of a catalyst composition comprising zeolite ZSM-4 and/or zeolite omega under such conditions that m-xylene is selectively formed, and recovering m-xylene by distillation from the resulting isomerization mixture containing o-xylene and m-xylene as main ingredients.

REFERENCES:
patent: 3558732 (1971-01-01), Neuzil
patent: 3578723 (1971-05-01), Bowes et al.
patent: 3766287 (1971-07-01), Stenmark et al.
patent: 3813452 (1974-05-01), Bieser
patent: 3907914 (1975-09-01), Willis, Jr. et al.
patent: 3939221 (1976-02-01), Pearce
patent: 4554146 (1985-11-01), Vaughan
patent: 4697039 (1987-09-01), Schmidt

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