Hydrocarbon conversion of sulfur contaminated feed stock

Details Hydrocarbon conversion of sulfur contaminated feed stock Hydrocarbon conversion of sulfur contaminated feed stock

1984-08-27

1986-05-06

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

C07C 268

Patent

active

045873712

ABSTRACT:
A process for the alkylation of aromatic hydrocarbons in a reaction zone containing a crystalline silica polymorph silicalite catalyst. The feed stock to the reaction zone comprises an alkylating agent and an aromatic substrate contains sulfur in an amount, greater than 2 ppm, which heretofore has considered to be unacceptable to zeolite catalysts. A steam cofeed may also be applied to the reaction zone in an amount sufficient to reduce the deposition of coke on the catalyst due to the presence of sulfur. Sulfur may be present as a contaminant in the aromatic substrate or the alkylating agent.

REFERENCES:
patent: 4016218 (1977-04-01), Haaq et al.
patent: 4061724 (1977-12-01), Grose et al.
patent: 4365104 (1982-12-01), Kaeding
patent: 4387260 (1983-06-01), Watson
patent: 4416765 (1983-11-01), Chester et al.
J. T. Baker Chemical Company Catalog (1961), p. 51.
Fyfe et al., Nature, vol. 296, pp. 530-533, Apr. 8, 1982.
Fyfe et al., Chemistry Letters 1983, pp. 1551-1554.
Thomas et al., Chemistry Letters 1983, pp. 1555-1556.

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