Acidic gas adsorber having a metal phthalocyanine on an ion exchanger
US4980335A · kind A · utility
4Cited by
8References
5Claims
0Family size
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Key dates
| Filing date | Feb 28, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Feb 28, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/64
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An absorber is capable of selective adsorption and removal of acidic gases of sulfur oxides, nitrogen oxides, chlorine compounds and sulfur-containing compounds such as hydrogen sulfide, as well as organic acid gases. The absorber is characterized by having a metal phthalocyanine supported on an ion exchanger, wherein the ion exchanger has a quarternary ammonium group as an ion-exchange group and the metal phthalocyanine contains iron phthalocyanine in an amount of 0.05-30 wt % of the ion exchanger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.