Catalytic dewaxing

Details Catalytic dewaxing Catalytic dewaxing

1990-07-25

1991-10-01

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 59, 208111, C10G 6902

Patent

active

050531174

ABSTRACT:
An improved process for catalytically dewaxing low nitrogen content hydrocarbon oils, such as distilled hydrocracker bottoms which normally form by-product naphtha of variable, but poor octane quality. The improvement is achieved by doping the low nitrogen content oil with a small amount of high nitrogen content gas oil, resulting in a by-product naphtha having a clear research octane of about 90, which octane is relatively insensitive to adjustment of pour point during processing.

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patent: 4935120 (1990-06-01), Lipinski et al.

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