Enhancement of reduction resistance for manganese oxide adsorbents
US11000821B2 · kind B2 · utility
1Cited by
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7Claims
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Key dates
| Filing date | Nov 30, 2018 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Processes for removing arsenic compounds from a feed stream using an adsorbent in disclosed. The process includes contacting a feed stream comprising at least arsenic and sulfur compounds with an adsorbent comprising an low-crystallinity manganese oxide, at least one halide and a binder, to provide a treated effluent substantially free of the arsenic and sulfur compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.