Solid filtration media incorporating elevated levels of permanganate and water
US6004522A · kind A · utility
12Cited by
35References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1997 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Jul 2, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved filtration media, method of preparing the media, and method of treating a fluid stream with the media are disclosed. The improved media comprises a substrate having elevated levels of permanganate and water in one embodiment. More specifically, the improved media comprises a porous substrate impregnated with at least approximately 5% permanganate, and at least approximately 10% water, by weight. In another embodiment, the media further comprises sodium bicarbonate. Improved efficiency of removal of undesirable compounds such as hydrogen sulfide is achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.