Membrane process for enhanced distillate or hydrotreated distillate aromatics reduction
US5643442A · kind A · utility
31Cited by
7References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 10, 1995 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Jul 10, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G67/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Distillate or hydrotreated distillate effluent is separated into an aromatics rich permeate and an aromatics lean retentate by use of a permselective membrane with the aromatic rich permeate being sent to a hydrotreater, thereby increasing the quantity of reduced aromatics content product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.