Gas oil processing
US4149960A · kind A · utility
22Cited by
4References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1978 |
| Grant date | Apr 17, 1979 |
| Priority date | — |
| Expiry date | Mar 23, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved processing technique is provided for gas oil pour point reduction and dewaxing. The improved technique comprises contacting an appropriate gas oil feedstock with a catalyst comprising a crystalline aluminosilicate zeolite characterized by a silica/alumina mole ratio of at least 12 and a constraint index, hereinafter defined, within the approximate range of 1 to 12 in the presence of a relatively large amount of co-fed water. The amount of co-fed water is maintained at from about 0.5 to about 15 moles of water/mole of gas oil feedstock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.