Removal of iron sulfide particles from alkanolamine solutions
US5190662A · kind A · utility
7Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1991 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Jul 29, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Aqueous alkanolamine solution containing iron sulfide particles is passed through a bed of contact materials having openings greater than the size of the iron sulfide particles and the iron sulfide particles adhere to the contact material. The contact material is regenerated to sequentially remove alkanolamine and iron sulfide particles by contacting it with water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.