Partial oxidation process with second stage addition of iron containing additive
US4778484A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1987 |
| Grant date | Oct 18, 1988 |
| Priority date | — |
| Expiry date | Sep 28, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S48/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Synthesis gas, fuel gas, or reducing gas is produced by the noncatalytic partial oxidation of a sulfur-containing liquid hydrocarbonaceous fuel or a slurry of sulfur-containing solid carbonaceous fuel with a free-oxygen containing gas in the first free-flow reaction zone located in a refractory lined gas generator at an autogenous temperature in the range of about 1900.degree. F. to 2900.degree. F. and above the ash-fusion temperature of the slag formed in the reaction zone. About 85 to 99 weight percent of the carbon in the fuel feed to the reaction zone is converted into carbon oxides. At least a portion of the hot effluent gas stream from the reaction zone is passed through a free-flow second reaction zone R.sub.2 in admixture with a second portion of sulfur-containing fuel and an iron-containing additive. In the second reaction zone the carbon in the second portion of fuel, unconverted fuel and particulate matter from R.sub.1 react with H.sub.2 O and/or CO.sub.2 to produce supplemental H.sub.2 and/or carbon oxides. Further, at least a portion of the sulfur-containing gases e.g. H.sub.2 S and COS react with the iron-containing additive to produce particulate matter comprising ir…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.