Synthetic crystalline metal silicate compositions and preparatio

Details Synthetic crystalline metal silicate compositions and preparatio Synthetic crystalline metal silicate compositions and preparatio

1979-11-07

1982-05-25

Meros, Edward J.

Chemistry of inorganic compounds

Boron or compound thereof

Oxygen containing

252432, 252454, 252455Z, 423326, 423332, 556402, 260429R, C01B 3320, C01B 3510

Patent

active

043316417

ABSTRACT:
Crystalline metal silicate compositions are prepared from a silica containing mixture which is substantially free of aluminum ions and which contains a chelating agent by digesting a reaction mixture comprising, a tetraalkylammonium compound, sodium hydroxide, a metal compound, an oxide of silicon, a chelating agent and water, with the reaction mixture containing less than about 100 ppm aluminum. Crystalline borosilicate compositions are of special interest. A method for activating the new crystalline compositions to enhance their usefulness for certain conversion processes is also disclosed.

REFERENCES:
patent: 3941871 (1976-03-01), Dwyer et al.
patent: 4088605 (1978-05-01), Bollmann
patent: 4268420 (1981-05-01), Klotz
patent: 4269813 (1981-05-01), Klotz
patent: 4285919 (1981-08-01), Klotz et al.

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