Decomposition of waste products formed in slurry catalyst synthesis
US7585404B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
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Key dates
| Filing date | Dec 6, 2006 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Aug 22, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This application discloses a process for decomposition of ammonium sulfates found in a stream comprising ammonium sulfate and slurry catalyst in oil. The ammonium sulfate is broken down into ammonia and hydrogen sulfide gas. These gases have many uses throughout the refinery, including the preparation of slurry hydroprocessing catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.