Manufacture of hydrocarbons

Details Manufacture of hydrocarbons Manufacture of hydrocarbons

1976-05-12

1977-05-24

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252477R, 260668R, 260682, 423328, 208DIG2, C07C 120

Patent

active

040255727

ABSTRACT:
A catalytic process is provided for converting lower monohydric alcohols and their ethers, especially methanol and dimethyl ether, to a hydrocarbon mixture rich in C.sub.2 -C.sub.3 olefins and mononuclear aromatics with high selectivity for para-xylene production by contact, under conversion conditions, with a catalyst bed comprising a major proportion of particle-form inert solid diluent having intermixed therewith a crystalline aluminosilicate zeolite characterized by (1) a crystallite size not greater than 0.5 micron, (2) a particle size less than 2 millimeters in its smallest cross-sectional dimension, (3) a silica to alumina ratio of at least about 12 and (4) a constraint index, as hereinafter defined, within the approximate range of 1 to 12.

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patent: 3140251 (1964-07-01), Plank et al.
patent: 3178365 (1965-04-01), Miale
patent: 3728408 (1973-04-01), Tobias
patent: 3894103 (1975-07-01), Chang et al.
patent: 3894105 (1975-07-01), Chang et al.
patent: 3894106 (1975-07-01), Chang et al.
patent: 3894107 (1975-07-01), Chang et al.
patent: 3928483 (1975-12-01), Chang et al.
patent: 3979472 (1976-09-01), Butter

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