Hot gas, regenerative, supported H.sub.2 S sorbents
US5252528A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1990 |
| Grant date | Oct 12, 1993 |
| Priority date | — |
| Expiry date | Mar 26, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/28097
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Efficient, regenerable sorbents for removal of H.sub.2 S from moderately high temperature (usually 200.degree. C.-550.degree.C.) gas streams comprise a porous, high surface area aluminosilicate support, suitably a zeolite, and most preferably a sodium deficient zeolite containing 1 to 20 weight percent of binary metal oxides. The binary oxides are a mixture of a Group VB or VIB metal oxide with a Group IB, IIB or VIII metal oxide such as V-Zn-O, V-Cu-O, Cu-Mo-O, Zn-Mo-O or Fe-Mo-O contained in the support. The sorbent effectively removes H.sub.2 S from the host gas stream in high efficiency and can be repetitively regenerated at least 10 times without loss of activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.