Hydrodewaxing catalyst performance

Details Hydrodewaxing catalyst performance Hydrodewaxing catalyst performance

1979-06-27

1981-01-27

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 52CT, 252420, C10G 35095, C10G 4554, C10G 4720

Patent

active

042473888

ABSTRACT:
A method is disclosed for the improvement of catalyst performance in catalytic hydrodewaxing of both petroleum and synthetic hydrocarbon feedstocks utilizing a special group of acidic crystalline aluminosilicate zeolites such as those of the ZSM-5 type which involves treatment of said zeolites in order to adjust their initially high alpha activity to within a range of 55-150 alpha prior to use as catalysts in a hydrodewaxing operation.

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patent: 3956102 (1976-05-01), Chen et al.
patent: 4053532 (1977-10-01), Ireland et al.
patent: 4098678 (1978-07-01), Schwarzenbek

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