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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0550133 (1990-07-06) |
우선권정보 | DE-3922612 (1989-07-10) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 274 인용 특허 : 8 |
In accordance with a method of producing of methanol synthesis gas from a partial oxidation crude gas, the gas is cooled after a waste heat boiler of a gasifier by adding a converted circulating gas in a quenching zone. The resulting gas mixture is dedusted and then separated into a product gas part
In accordance with a method of producing of methanol synthesis gas from a partial oxidation crude gas, the gas is cooled after a waste heat boiler of a gasifier by adding a converted circulating gas in a quenching zone. The resulting gas mixture is dedusted and then separated into a product gas partial stream and a circulating gas partial stream. The product gas partial stream is supplied after corresponding gas treatment to the synthesis reactor while the circulating gas partial stream is subjected to a CO-conversion and supplied back to the quenching zone.
A method of producing a synthesis gas with a ratio of carbon monoxide to hydrogen defined for a desired synthesis reaction, by gasifying of fine-grained to dust-like fuels at temperatures above a slag melting point, comprising the steps of producing a partial oxidation crude gas in a gasifier; indir
A method of producing a synthesis gas with a ratio of carbon monoxide to hydrogen defined for a desired synthesis reaction, by gasifying of fine-grained to dust-like fuels at temperatures above a slag melting point, comprising the steps of producing a partial oxidation crude gas in a gasifier; indirectly cooling the produced partial oxidation crude gas in a waste heat boiler after the gasifier with steam generation; further cooling the partial oxidation gas after the waste boiler by adding a converted circulating gas; subjecting the thusly produced gas mixture of the partial oxidation gas with the converted circulating gas to a dry dedusting; separating the dedusted gas mixture into a product gas partial stream and a circulating gas partial stream; subjecting the product gas partial stream to a further cooling, a subsequent gas washing for removing residual dust and impurities, a final cooling for water condensation, and a desulfurization and CO2 removal, and then recovering the desulfurized product gas, saturating the circulating gas partial stream with use of a condensate from the final cooling of the product gas partial stream and washing at a dew point of the gas; subjecting the thusly purified circulating gas partial stream, for adjusting a molar ratio of carbon monoxide to hydrogen to a CO-conversion in the presence of a sulfur resistant catalyst; and cooling the converted circulating gas close to its water steam dew point for further cooling of the partial oxidation crude gas after the waste heat boiler by recycling the converted circulation gas for adding to the partial oxidation crude gas.
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