Continuous method for increasing the Q. I. concentration of liquid tar while concurrently producing a Q. I. free tar
US5534133A · kind A · utility
6Cited by
10References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 17, 1994 |
| Grant date | Jul 9, 1996 |
| Priority date | — |
| Expiry date | Nov 17, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10C1/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Continuous method for treating a liquid tar containing Q.I. solids to provide a liquid tar product having increased Q.I. concentration and, concurrently, a Q.I. free liquid tar product. The method utilizes cross-flow filter membranes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.