Regeneration of hydrogen sulfide sorbents
US6649043B1 · kind B1 · utility
5Cited by
28References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2000 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Jul 6, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/56
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process to regenerate metal oxide desulfurization sorbents using an oxidizing and reducing atmosphere. The sorbents may be mono- or multi-metallic in nature, and preferably comprise Cu, Ni and/or Co. If desired, secondary metals may be incorporated to increase regeneration efficiency and/or capacity. Other additives may be used to suppress hydrocarbon cracking. A sorbent containing Zn may be combined with an Fe, Co, Ni, Mo, or W catalyst or a noble metal catalyst and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.