[특허]Solid fuel preparation method

[미국특허] Solid fuel preparation method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10L-009/02
출원번호	US-0162979 (1980-06-25)
발명자 / 주소	Chauhan Satya P. (Worthington OH) Feldmann Herman F. (Worthington OH) Stambaugh Edgel P. (Worthington OH) Liu Ke-Tien (Allison Park PA)
출원인 / 주소	Battelle Development Corporation (Columbus OH 02)
인용정보	피인용 횟수 : 59 인용 특허 : 1

초록 ▼

A process for treating solid particles (66) of a raw carbonaceous fuel (62) such as coal having an original sulfur content comprises producing (at 68) a slurry (74) of a quantity of the raw fuel particles and a liquid medium (70) comprising water, at least one alkali metal compound including a substantial amount of sodium or potassium sulfide or polysulfide or a combination thereof, and a catalytic agent (72) comprising calcium or magnesium oxide or carbonate, or dolomite. The slurry is subjected (in 78) for an effective period of time to elevated temperature and pressure effective with the alkali metal compounds and water to cause the medium to penetrate the microscopic structure of the particles and to chemically and physically incorporate a substantial amount of the catalytic agent into the structure. The readily separable medium is separated (at 84) from the fuel particles and the particles are washed (at 84,106) to produce a particulate fuel product (88,110) containing the incorporated catalytic agent. A substantial portion (90,94) of the separated medium is added (at 70) to the slurry produced as above. A sufficient quantity of the catalytic agent is added (at 72) to the medium or the slurry to replace the catalytic agent removed from the slurry with the particulate fuel product. More raw fuel particles (66) are added to the medium or the slurry. The foregoing steps are carried out continually with a multiplicity of new additions of the raw fuel particles and with a multiplicity of reuses of the separated medium to produce fuel product particles (88,110) containing a quantity of sulfur that is not less than the original sulfur content, in addition to the catalytic agent.

대표청구항 ▼

A process for treating solid particles of a raw carbonaceous fuel of the coal or coke type having an original sulfur content, comprising (a) producing a slurry of a quantity of the raw fuel particles and a liquid medium comprising water, at least one alkali metal compound including a substantial amount of sodium or potassium sulfide or polysulfide or a combination thereof, and a chemical agent comprising calcium or magnesium oxide or carbonate, or dolomite, (b) subjecting the slurry for an effective period of time to elevated temperature and pressure effective with the alkali metal compounds and water to cause the medium to penetrate the microscopic structure of the particles and to chemically and physically incorporate a substantial amount of the chemical agent into the structure, (c) separating the readily separable medium from the fuel particles and washing the particles to remove most of the alkali metal therefrom while producing a particulate fuel product containing a substantial amount of the chemical agent therein, (d) adding most of the separated medium to the slurry produced in step (a), (e) adding to the medium or the slurry a sufficient quantity of the chemical agent to replace the chemical agent removed from the slurry with the particulate fuel product, (f) adding more raw fuel particles to the medium or the slurry, and (g) continuing to carry out steps (b-f) with a multiplicity of new additions of the raw fuel particles and with a multiplicity of reuses of the separated medium to produce fuel product particles containing a quantity of sulfur that is not substantially less than the original sulfur content, in addition to the chemical agent.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Stambaugh ; Edgel P. ; Chauhan ; Satya P., Treating solid fuel.
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이 특허를 인용한 특허 (59) 인용/피인용 타임라인 분석

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Dillon, Martin A.; Filippelli, Gregory M., Air treatment process for dilute phase injection of dry alkaline materials.
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Dillon, Martin A.; Filippelli, Gregory M., Air treatment process for dilute phase injection of dry alkaline materials.
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Sharma Pramod K. (La Canada CA) Voecks Gerald E. (La Crescenta CA) Gavalas George R. (Altadena CA), Calcium impregnation of coal enriched in CO₂ using high-pressure techniques.
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Kendrick, Donald W., Combustion cavity layouts for fuel staging in trapped vortex combustors.
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Chen Nai Y. (R.D. Titusville NJ) Walsh Dennis E. (Richboro PA), Fixed sulfur petroleum coke fuel and method for its production.
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Aquino Dolores C. (Houston TX) DaPrato Philip L. (Westfield NJ) Gouker Toby R. (Baton Rouge LA) Knoer Peter (Houston TX), Fluidized bed gasification of extracted coal.
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Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E., Hot-side method and system.
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Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E., Method and system for controlling mercury emissions from coal-fired thermal processes.
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Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E.; French, Nina Bergan; Bisque, Ramon, Method and system for controlling mercury emissions from coal-fired thermal processes.
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Durham, Michael; French, Nina Bergan; Bisque, Ramon E.; Baldrey, Kenneth E., Method and system for controlling mercury emissions from coal-fired thermal processes.
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Sjostrom, Sharon; Senior, Connie; Lagarenne, Jon, Method and system for controlling mercury emissions from coal-fired thermal processes.
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Sjostrom, Sharon; Senior, Connie; Lagarenne, Jon; Baldrey, Kenneth E.; Bisque, Ramon; Durham, Michael D.; French, Nina Bergan, Method and system for controlling mercury emissions from coal-fired thermal processes.
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Cho Min Young,KRX ; Shin Myoung Kyun,KRX ; Chung Young Che,KRX ; Lee Dael Whei,KRX, Method for increasing the charring ratio of coal.
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Lancet Michael S. (Pittsburgh PA), Method of catalytic gasification with increased ash fusion temperature.
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Kendrick, Donald W., Method of fuel staging in combustion apparatus.
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Wang, Xin; Zhang, Minglin; Zhu, Qingrui; Zhu, Min; Zhang, Jiyong; Jiang, Xinfang; Zhang, Yifei; Sun, Yongkui; Han, Mei; Zhang, Weihua, Method of gasification burner online feeding.
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Appel, Brian S.; Adams, Terry N.; Freiss, James H.; Einfeldt, Craig T.; Lange, William F.; Jones, Shannon M., Methods and apparatus for converting waste materials into fuels and other useful products.
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Comrie, Douglas C, Methods of operating a coal burning facility.
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Appel, Brian S.; Adams, Terry N.; Roberts, Michael J.; Lange, William F.; Freiss, James H.; Einfeldt, Craig Timothy; Carnesi, Michael Charles, Process for conversion of organic, waste, or low-value materials into useful products.
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Dillon, Martin A.; Filippelli, Gregory M., Process for dilute phase injection of dry alkaline materials.
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Pastore, Mark, Process for operating a furnace with a bituminous coal and method for reducing slag formation therewith.
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Pastore, Mark, Process for operating a furnace with bituminous coal and method for reducing slag formation therewith.
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Abrams Jack Z. (San Rafael CA) Sherwin Robert M. (San Rafael CA), Process for treating combustion systems with pressure-hydrated dolomitic lime.
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Martin, Cameron E., Process to enhance mixing of dry sorbents and flue gas for air pollution control.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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Comrie,Douglas C, Reducing mercury emissions from the burning of coal.
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Comrie, Douglas C.; Vellella, Vincent A., Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels.
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Comrie, Douglas C.; Vellella, Vincent A., Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Solid fuel preparation method 원문보기