Method of preparation of perovskite catalyst
US9795947B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Dec 4, 2015 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Dec 9, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A preparation method of perovskite catalyst, represented by the following Chemical Formula 1: LaxAg(1-x)MnO3 (0.1≦x≦0.9), includes the steps of 1) preparing a metal precursor solution including a lanthanum metal precursor, a manganese metal precursor and a silver metal precursor, 2) adding maleic or citric acid to the metal precursor solution, 3) drying the mixture separately several times with sequentially elevating the temperature in the range of 160 to 210° C., and 4) calcining the dried mixture at 600 to 900° C. for 3 hours to 7 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.