Preparation of a solid based on zinc oxide for use in purifying a gas or a liquid
US9156738B2 · kind B2 · utility
1Cited by
10References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 3, 2009 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Mar 2, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/6584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns a process for preparing a solid comprising ZnO and a binder comprising the following steps: pre-mixing powders comprising at least one ZnO powder and at least one binder (step a), mixing the paste obtained (step b), extruding (step c) the paste obtained in step b), drying the extrudates, and calcining (step d) in a stream of gas comprising oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.