Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream
US11779905B2 · kind B2 · utility
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11References
16Claims
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Key dates
| Filing date | Jan 29, 2021 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Nov 7, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to catalyst compositions containing a mixed oxide catalyst of formula (I) or formula (II) as described herein, their preparation, and their use in a process for ammoxidation of various organic compounds to their corresponding nitriles and to the selective catalytic oxidation of excess NH3 present in effluent gas streams to N2 and/or NOx.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.