Ion-exchanger, process for production thereof, and process for removal of multiply charged anions employing the ion-exchanger
US5948265A · kind A · utility
10Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1997 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | Jul 3, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J41/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An ion-exchanger is provided which comprises zirconium hydroxide supported on active carbon. The process for producing the ion-exchanger, and a process for removing a multiply charged anion are also provided which employ the ion-exchanger. The ion-exchanger of the present invention has high chemical resistance, high heat resistance, high mechanical strength, and excellent ion exchange characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.