Process for the removal of hydrogen cyanide and formic acid from synthesis gas
US8623303B2 · kind B2 · utility
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Key dates
| Filing date | Apr 18, 2007 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Apr 18, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/70
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the catalytic removal of hydrogen cyanide, formic acid and formic acid derivatives from synthesis gas comprising these compounds, carbon monoxide and hydrogen, the process comprising contacting the synthesis gas with a catalyst comprising one or more metals selected from the group consisting of silver, gold, copper, palladium, platinum and their mixtures and supported on a carrier comprising at least one of the oxides of scandium, yttrium, lanthanum, cerium, titanium, zirconium, aluminum, zinc, chromium and molybdenum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.