Methanation over synthetic amorphous silicas

Details Methanation over synthetic amorphous silicas Methanation over synthetic amorphous silicas

1976-11-04

1978-04-25

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252432, 252437, 252441, 252454, 252455R, 252456, 252459, 252460, 252455Z, 2604496M, 2604496R, 260449R, 260596, 2606839, 423336, C07C 104

Patent

active

040862615

ABSTRACT:
Hydrogenation-dehydrogenation of suitable feedstock is provided wherein such feedstock is subjected to hydrogenation-dehydration conditions in the presence of a catalytic amount of a solid containing, at least in part, a synthetic amorphous solid prepared by hydrolyzing and polymerizing in the presence of water a silane having the formula R(Si)X.sub.3, wherein R is a nonhydrolyzable organic group, X is a hydrolyzable group and (Si) is selected from the group consisting of ##STR1## AND ##STR2## AND CALCINING THE POLYMERIZED PRODUCT, SAID SILANE BEING ADMIXED WITH A SECOND COMPOUND, R'.sub.n MY.sub.m, wherein R' is selected from the group consisting of the same groups as R, Y is selected from the group consisting of the same groups as X and oxygen, M is at least one member selected from the group consisting of the elements of Groups IIIA, IVA, IVB, VA, VB, VIB, VIIB and VIII of the Periodic Table, m is any number greater than 0 and up to 8 and n is from 0 to any number less than 8.

REFERENCES:
patent: 3983055 (1976-09-01), Mitchell et al.

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