Alkylation in presence of phosphorus-modified crystalline lumino

Details Alkylation in presence of phosphorus-modified crystalline lumino Alkylation in presence of phosphorus-modified crystalline lumino

1975-03-28

1976-06-08

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252437, 260671R, C07C 352

Patent

active

039623645

ABSTRACT:
Process for the alkylation of aromatic hydrocarbons by contacting same with an olefin alkylating agent in a reaction zone maintained under conditions such that said alkylation is accomplished in the vapor phase and in the presence of a catalyst comprising a crystalline aluminosilicate zeolite, said zeolite having a silica to alumina ratio of at least about 12 and a constraint index, as hereinafter defined, of from 1 to 12, said catalyst having been modified by the addition thereto of phosphorus in an amount of at least about 0.5 percent by weight.

REFERENCES:
patent: 3725243 (1973-04-01), Hess et al.
patent: 3791964 (1974-02-01), Kuehl
patent: 3867305 (1975-02-01), Flanigen et al.
patent: 3899544 (1975-08-01), Chang et al.
patent: 3906054 (1975-09-01), Kaeding et al.
patent: 3911041 (1975-10-01), Kaeding et al.

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