Hydrotalcite contact materials
US6156696A · kind A · utility
16Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1999 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | Jun 10, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2255/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Hydrotalcite-like contact materials are stable in the crystalline oxide structure and essentially reversible in anion exchange. Large crystalline sheet materials having increased sorption of SO.sub.X are provided by incorporation of certain organic acid anionic species to modify the hydrotalcite/brucite structure. Typical industrial applications include sulfur removal from fluid catalyst cracking process, cold-side combustion gas sulfur abatement and cleaner coal gasification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.