[특허]Method of catalytic gasification with increased ash fusion temperature

[미국특허] Method of catalytic gasification with increased ash fusion temperature 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10J-003/14 C10J-003/16
출원번호	US-0311681 (1981-10-15)
발명자 / 주소	Lancet Michael S. (Pittsburgh PA)
출원인 / 주소	Conoco Inc. (Wilmington DE 02)
인용정보	피인용 횟수 : 46 인용 특허 : 7

초록 ▼

A high ash fusion catalyzed gasification process comprising providing a mixture of 50 to 90 weight percent finely divided carbonaceous material particles of a size smaller than 65 mesh and 10 to 50 weight percent finely divided calcium compound particles of a size smaller than 65 mesh, gasifying the carbonaceous material, the gasifying comprising heating the mixture of finely divided carbonaceous material and finely divided calcium compound to a temperature above the ash fusion temperature of the carbonaceous material and below the ash fusion temperature of the mixture to form a carbonaceous suspension of calcium compound whereby the calcium compound catalyzes the gasification.

대표청구항 ▼

A process for producing a gaseous product comprising hydrogen and carbon monoxide by high ash fusion temperature catalyzed gasification of bituminous coal at temperatures at least 100°F. above the initial deformation temperature without substantial ash fusion comprising the sequence of steps as follows: (a) providing a mixture consisting essentially of 50 to 80 weight percent finely divided bituminous coal particles of a size of 65 mesh or smaller than 65 mesh and 20 to 50 weight percent finely divided calcium compound particles of a size smaller than 65 mesh, said calcium compound being selected from the group consisting of calcium oxide, calcium carbonate and calcium hydroxide, said bituminous coal having the property of becoming liquid with sufficient heating, (b) briquetting said mixture to form a briquetted mixture, (c) feeding said briquetted mixture into the top of a fixed bed gasifier, (d) catalytically gasifying said briquetted mixture with steam in said gasifier to form a gaseous product comprising hydrogen and carbon monoxide, said hydrogen and said carbon monoxide each comprising a substantial portion of said gaseous product, said gasifying comprising (i) heating said briquetted mixture of finely divided coal and finely divided calcium compound in said fixed bed gasifier to an operating temperature at least 100°F. above the intial deformation temperature of the ash of said bituminous coal and, said heating forming a catalyzed coke, said catalyzed coke reacting with said added steam to form said gaseous product, (ii) adding steam to said gasifier, said operating temperature being below the initial deformation temperature of the ash of said mixture of said bituminous coal and said calcium compound, whereby said calcium compound catalyzes said gasification, the rate of said catalyzed gasification being substantially increased from the rate of uncatalyzed gasification of said bituminous coal, and said catalyzed gasification being without ash fusion.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Schulz Helmut W. (Harrison NY), Briquette comprising caking coal and municipal solid waste.
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Lang Robert J. (Baytown TX), Coal liquefaction bottoms conversion by coking and gasification.
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Lancet Michael S. (Pittsburgh PA), Gasification of coal liquefaction residues.
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Maust ; Jr. Edwin E. (1209 Marton St. Laurel MD 20810), Method for enhancing the utilization of powdered coal.
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Smith Robert H. (Plano TX), Process for preparing sulfur-containing coal or lignite for combustion having low SO₂ emissions.
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Chauhan Satya P. (Worthington OH) Feldmann Herman F. (Worthington OH) Stambaugh Edgel P. (Worthington OH) Liu Ke-Tien (Allison Park PA), Solid fuel preparation method.
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Stambaugh ; Edgel P. ; Chauhan ; Satya P., Treating solid fuel.
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이 특허를 인용한 특허 (46) 인용/피인용 타임라인 분석

Robinson, Earl T.; Keckler, Kenneth P.; Raman, Pattabhi K.; Sirdeshpande, Avinash, Agglomerated particulate low-rank coal feedstock and uses thereof.
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Robinson, Earl T.; Keckler, Kenneth P.; Raman, Pattabhi K.; Sirdeshpande, Avinash, Agglomerated particulate low-rank coal feedstock and uses thereof.
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Robinson, Earl T.; Keckler, Kenneth P.; Raman, Pattabhi K.; Sirdeshpande, Avinash, Agglomerated particulate low-rank coal feedstock and uses thereof.
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Raman, Pattabhi K.; Hippo, Edwin J.; Yee, Nelson, Biomass compositions for catalytic gasification.
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Robinson, Earl T., Carbonaceous fines recycle.
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Rappas, Alkis S.; Salem, George Frederick; Hippo, Edwin J., Catalyst-loaded coal compositions, methods of making and use.
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Raman, Pattabhi K.; Yee, Nelson, Catalytic gasification particulate compositions.
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Rappas, Alkis S.; Spitz, Robert A., Catalytic gasification process with recovery of alkali metal from char.
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Nahas, Nicholas Charles, Catalytic steam gasification of petroleum coke to methane.
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Hippo, Edwin J.; Reiling, Vincent G.; Robinson, Earl T.; Raman, Pattabhi K.; Smith, Jeffery; Mims, Charles; Nahas, Nicholas Charles, Char methanation catalyst and its use in gasification processes.
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Hippo, Edwin J.; Raman, Pattabhi K., Co-feed of biomass as source of makeup catalysts for catalytic coal gasification.
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Rappas, Alkis S.; Salem, George Frederick, Coal compositions for catalytic gasification.
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Rappas, Alkis S.; Salem, George Frederick, Coal compositions for catalytic gasification.
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Robinson, Earl T.; Raman, Pattabhi K.; Wu, Wenyuan, Conversion of liquid heavy hydrocarbon feedstocks to gaseous products.
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Raman, Pattabhi K.; Jiradilok, Veeraya; Robinson, Earl T.; Sirdeshpande, Avinash, Hydromethanation of a carbonaceous feedstock.
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Robinson, Earl T.; Raman, Pattabhi K., Hydromethanation of a carbonaceous feedstock.
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Sirdeshpande, Avinash, Hydromethanation of a carbonaceous feedstock.
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Sirdeshpande, Avinash, Hydromethanation of a carbonaceous feedstock.
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Rappas, Alkis S.; Spitz, Robert A., Hydromethanation of a carbonaceous feedstock with nickel recovery.
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Rappas, Alkis S.; Spitz, Robert A., Hydromethanation of a carbonaceous feedstock with vanadium recovery.
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Preston, William E., Integrated enhanced oil recovery process.
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Raman, Pattabhi K., Integrated enhanced oil recovery process.
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Wallace, Paul, Integrated enhanced oil recovery process.
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Powell, Charles Allen; Raman, Pattabhi K.; Robinson, Earl T.; Sirdeshpande, Avinash, Integrated hydromethanation fuel cell power generation.
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Sirdeshpande, Avinash, Integrated hydromethanation fuel cell power generation.
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Seiler, Jean-Marie, Method for the heat treatment of material in a reactor having a wall acting as self-crucible.
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Cordell Henry L. ; Galer David G., Method of gasifying solid organic materials.
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Van Dyk, Johannes Christoffel; Coertzen, Margaretha, Method of operating a fixed bed dry bottom gasifier.
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Najjar Mitri S. (Hopewell Junction NY), Partial oxidation process.
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Najjar Mitri S. (Hopewell Junction NY), Partial oxidation process.
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Najjar Mitri S. (Hopewell Junction NY) Becker Michael W. (Westminster CA), Partial oxidation process with magnetic separation of the ground slag.
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Reiling, Vincent G.; Robinson, Earl T.; Nahas, Nicholas Charles; Smith, Jeffery; Mims, Charles, Processes for gasification of a carbonaceous feedstock.
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Robinson, Earl T.; Lau, Francis S.; Raman, Pattabhi K.; Reiling, Vincent G.; Dodson, Dwain; Rahman, Mustafiz; Nahas, Nicholas Charles, Processes for gasification of a carbonaceous feedstock.
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Robinson, Earl T.; Reiling, Vincent G.; Raman, Pattabhi K.; Gal, Eli, Processes for gasification of a carbonaceous feedstock.
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Reiling, Vincent G.; Robinson, Earl T.; Sirdeshpande, Avinash; Nahas, Nicholas Charles, Processes for hydromethanation of a carbonaceous feedstock.
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Robinson, Earl T.; Raman, Pattabhi K.; Reiling, Vincent G., Processes for hydromethanation of a carbonaceous feedstock.
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Sirdeshpande, Avinash; Robinson, Earl T., Processes for hydromethanation of a carbonaceous feedstock.
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Robinson, Earl T., Processes for making syngas-derived products.
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Rappas, Alkis S.; Spitz, Robert A., Processes for preparing a catalyzed carbonaceous particulate.
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Rappas, Alkis S.; Spitz, Robert A.; Salem, George Frederick, Processes for preparing a catalyzed coal particulate.
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Raman, Pattabhi K.; Lau, Francis S.; Robinson, Earl T., Processes for the separation of methane from a gas stream.
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Raman, Pattabhi K.; Lau, Francis S.; Robinson, Earl T.; Anthony, Donald, Reduced carbon footprint steam generation processes.
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Raman, Pattabhi K.; Lau, Francis S.; Robinson, Earl T., Sour shift process for the removal of carbon monoxide from a gas stream.
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Lau, Francis S.; Robinson, Earl T., Steam generating slurry gasifier for the catalytic gasification of a carbonaceous feedstock.
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Raman, Pattabhi K.; Anthony, Donald, Steam generation processes utilizing biomass feedstocks.
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Sirdeshpande, Avinash; Keckler, Kenneth P.; Robinson, Earl T.; Raman, Pattabhi K., Use of contaminated low-rank coal for combustion.
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[미국특허] Method of catalytic gasification with increased ash fusion temperature 원문보기