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BR8008128A - Processo para secar uma suspensao aquosa de solidos carbonaceos e depois gaseificar os solidos secados - Google Patents

Processo para secar uma suspensao aquosa de solidos carbonaceos e depois gaseificar os solidos secados

Info

Publication number
BR8008128A
BR8008128A BR8008128A BR8008128A BR8008128A BR 8008128 A BR8008128 A BR 8008128A BR 8008128 A BR8008128 A BR 8008128A BR 8008128 A BR8008128 A BR 8008128A BR 8008128 A BR8008128 A BR 8008128A
Authority
BR
Brazil
Prior art keywords
solids
gasiding
drying
water suspension
carbonaceous
Prior art date
Application number
BR8008128A
Other languages
English (en)
Inventor
N Nahas
Original Assignee
Exxon Research Engineering Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of BR8008128A publication Critical patent/BR8008128A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0903—Feed preparation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/093—Coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0983—Additives
    • C10J2300/0986—Catalysts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S48/00—Gas: heating and illuminating
    • Y10S48/07—Slurry

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Industrial Gases (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
BR8008128A 1979-12-14 1980-12-12 Processo para secar uma suspensao aquosa de solidos carbonaceos e depois gaseificar os solidos secados BR8008128A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/103,648 US4284416A (en) 1979-12-14 1979-12-14 Integrated coal drying and steam gasification process

Publications (1)

Publication Number Publication Date
BR8008128A true BR8008128A (pt) 1981-06-30

Family

ID=22296290

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8008128A BR8008128A (pt) 1979-12-14 1980-12-12 Processo para secar uma suspensao aquosa de solidos carbonaceos e depois gaseificar os solidos secados

Country Status (8)

Country Link
US (1) US4284416A (pt)
EP (1) EP0030841B1 (pt)
JP (1) JPS56103290A (pt)
AU (1) AU532676B2 (pt)
BR (1) BR8008128A (pt)
CA (1) CA1125026A (pt)
DE (1) DE3068327D1 (pt)
ZA (1) ZA807818B (pt)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642125A (en) * 1981-03-27 1987-02-10 Trw Inc. Carbonaceous material and methods for making hydrogen and light hydrocarbons from such materials
WO1982003380A1 (en) * 1981-03-27 1982-10-14 Inc Trw New carbonaceous materials and methods for making hydrogen and light hydrocarbons from such materials
GB2124648B (en) * 1982-07-26 1986-07-16 Cpc International Inc Combined dryer/gasifier
JPS59140291A (ja) * 1983-02-01 1984-08-11 Shinenerugii Sogo Kaihatsu Kiko 加圧式微粉炭ガス化法
EP0134344A1 (en) * 1983-08-24 1985-03-20 Exxon Research And Engineering Company The fluidized bed gasification of extracted coal
US4619732A (en) * 1983-12-02 1986-10-28 The Institute Of Paper Chemistry Method for drying pulping liquor to a burnable solid
JPS62185788A (ja) * 1986-02-10 1987-08-14 Central Res Inst Of Electric Power Ind 石炭ガス化複合発電における石炭フイ−ド方法
EP0324957A1 (de) * 1987-12-22 1989-07-26 Waagner-Biro Aktiengesellschaft Verfahren und Einrichtung zur thermischen Herstellung von Chemierohstoffen
HU216910B (hu) * 1992-05-08 1999-10-28 State Electricity Commission Of Victoria Eljárás és berendezés szénalapú tüzelőanyag integrált szárítására és elgázosítására
DK200000417A (da) * 2000-03-15 2001-09-16 Cowi Radgivende Ingeniorer As Fremgangsmåde og anlæg til dekomposition, forgasning og/eller forbrænding af fugtigt brændsel.
EP1601614A4 (en) * 2002-09-10 2008-02-13 Mfg & Tech Conversion Int Inc WATER STEAM REFORMING METHOD AND DEVICE
JP4727932B2 (ja) * 2004-01-16 2011-07-20 株式会社日中製作所 後入れランナ
US7275644B2 (en) 2004-10-12 2007-10-02 Great River Energy Apparatus and method of separating and concentrating organic and/or non-organic material
US8062410B2 (en) 2004-10-12 2011-11-22 Great River Energy Apparatus and method of enhancing the quality of high-moisture materials and separating and concentrating organic and/or non-organic material contained therein
US8579999B2 (en) * 2004-10-12 2013-11-12 Great River Energy Method of enhancing the quality of high-moisture materials using system heat sources
US7540384B2 (en) 2004-10-12 2009-06-02 Great River Energy Apparatus and method of separating and concentrating organic and/or non-organic material
US7987613B2 (en) 2004-10-12 2011-08-02 Great River Energy Control system for particulate material drying apparatus and process
US8523963B2 (en) 2004-10-12 2013-09-03 Great River Energy Apparatus for heat treatment of particulate materials
US8114176B2 (en) 2005-10-12 2012-02-14 Great Point Energy, Inc. Catalytic steam gasification of petroleum coke to methane
US7922782B2 (en) 2006-06-01 2011-04-12 Greatpoint Energy, Inc. Catalytic steam gasification process with recovery and recycle of alkali metal compounds
EP2121874A4 (en) * 2007-02-16 2012-08-01 Corky S Carbon And Comb Pty Ltd DRYING AND GASIFICATION METHOD
CN105062563A (zh) 2007-08-02 2015-11-18 格雷特波因特能源公司 负载催化剂的煤组合物，制造方法和用途
US20090165382A1 (en) * 2007-12-28 2009-07-02 Greatpoint Energy, Inc. Catalytic Gasification Process with Recovery of Alkali Metal from Char
CA2709924C (en) 2007-12-28 2013-04-02 Greatpoint Energy, Inc. Catalytic gasification process with recovery of alkali metal from char
CN101910375B (zh) * 2007-12-28 2014-11-05 格雷特波因特能源公司 用于碳质原料的催化气化的蒸汽发生浆液气化器
WO2009086408A1 (en) * 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Continuous process for converting carbonaceous feedstock into gaseous products
WO2009086366A1 (en) * 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Processes for making synthesis gas and syngas-derived products
WO2009086377A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Catalytic gasification process with recovery of alkali metal from char
CA2713661C (en) 2007-12-28 2013-06-11 Greatpoint Energy, Inc. Process of making a syngas-derived product via catalytic gasification of a carbonaceous feedstock
WO2009111332A2 (en) 2008-02-29 2009-09-11 Greatpoint Energy, Inc. Reduced carbon footprint steam generation processes
CN101959996B (zh) 2008-02-29 2013-10-30 格雷特波因特能源公司 用于气化作用的颗粒状组合物及其制备和连续转化
US8366795B2 (en) * 2008-02-29 2013-02-05 Greatpoint Energy, Inc. Catalytic gasification particulate compositions
US8297542B2 (en) 2008-02-29 2012-10-30 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
US8114177B2 (en) * 2008-02-29 2012-02-14 Greatpoint Energy, Inc. Co-feed of biomass as source of makeup catalysts for catalytic coal gasification
US8709113B2 (en) 2008-02-29 2014-04-29 Greatpoint Energy, Inc. Steam generation processes utilizing biomass feedstocks
US20090217575A1 (en) * 2008-02-29 2009-09-03 Greatpoint Energy, Inc. Biomass Char Compositions for Catalytic Gasification
US8286901B2 (en) 2008-02-29 2012-10-16 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
US7926750B2 (en) 2008-02-29 2011-04-19 Greatpoint Energy, Inc. Compactor feeder
CA2718295C (en) 2008-04-01 2013-06-18 Greatpoint Energy, Inc. Processes for the separation of methane from a gas stream
CA2718536C (en) * 2008-04-01 2014-06-03 Greatpoint Energy, Inc. Sour shift process for the removal of carbon monoxide from a gas stream
KR101290477B1 (ko) * 2008-09-19 2013-07-29 그레이트포인트 에너지, 인크. 탄소질 공급원료의 기체화 방법
KR101330894B1 (ko) 2008-09-19 2013-11-18 그레이트포인트 에너지, 인크. 차르 메탄화 촉매를 사용한 기체화 방법
CN103865585A (zh) 2008-09-19 2014-06-18 格雷特波因特能源公司 碳质原料的气化装置
KR101275429B1 (ko) 2008-10-23 2013-06-18 그레이트포인트 에너지, 인크. 탄소질 공급원료의 기체화 방법
CN102272268B (zh) 2008-12-30 2014-07-23 格雷特波因特能源公司 制备催化的煤微粒的方法
KR101290453B1 (ko) 2008-12-30 2013-07-29 그레이트포인트 에너지, 인크. 촉매된 탄소질 미립자의 제조 방법
WO2010132551A2 (en) 2009-05-13 2010-11-18 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US8268899B2 (en) 2009-05-13 2012-09-18 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
EP2430126A2 (en) 2009-05-13 2012-03-21 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
GB2471462B (en) * 2009-06-29 2014-02-26 Coldunell Ltd Waste management system
US20110031439A1 (en) * 2009-08-06 2011-02-10 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US9085738B2 (en) * 2009-09-14 2015-07-21 General Electronic Company Method and apparatus for drying solid feedstock using steam
US20110064648A1 (en) * 2009-09-16 2011-03-17 Greatpoint Energy, Inc. Two-mode process for hydrogen production
US20110062722A1 (en) * 2009-09-16 2011-03-17 Greatpoint Energy, Inc. Integrated hydromethanation combined cycle process
CN102667057B (zh) 2009-10-19 2014-10-22 格雷特波因特能源公司 整合的强化采油方法
AU2010310849B2 (en) 2009-10-19 2013-05-02 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
AU2010339952B8 (en) 2009-12-17 2013-12-19 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
WO2011106285A1 (en) 2010-02-23 2011-09-01 Greatpoint Energy, Inc. Integrated hydromethanation fuel cell power generation
US8652696B2 (en) 2010-03-08 2014-02-18 Greatpoint Energy, Inc. Integrated hydromethanation fuel cell power generation
CN102858925B (zh) 2010-04-26 2014-05-07 格雷特波因特能源公司 碳质原料的加氢甲烷化与钒回收
CA2793893A1 (en) 2010-05-28 2011-12-01 Greatpoint Energy, Inc. Conversion of liquid heavy hydrocarbon feedstocks to gaseous products
EP2606109A1 (en) * 2010-08-18 2013-06-26 Greatpoint Energy, Inc. Hydromethanation of carbonaceous feedstock
WO2012033997A1 (en) * 2010-09-10 2012-03-15 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
AU2011323645A1 (en) * 2010-11-01 2013-05-02 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
US20120102837A1 (en) * 2010-11-01 2012-05-03 Greatpoint Energy, Inc. Hydromethanation Of A Carbonaceous Feedstock
US8648121B2 (en) 2011-02-23 2014-02-11 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with nickel recovery
WO2012166879A1 (en) 2011-06-03 2012-12-06 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
WO2013052553A1 (en) 2011-10-06 2013-04-11 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
JP2014009327A (ja) * 2012-07-02 2014-01-20 Ihi Corp 固体原料製造装置、固体原料製造方法、および、ガス化ガス生成方法
CN104685038B (zh) 2012-10-01 2016-06-22 格雷特波因特能源公司 附聚的颗粒状低煤阶煤原料及其用途
WO2014055351A1 (en) 2012-10-01 2014-04-10 Greatpoint Energy, Inc. Agglomerated particulate low-rank coal feedstock and uses thereof
KR101717863B1 (ko) 2012-10-01 2017-03-17 그레이트포인트 에너지, 인크. 연소를 위한 오염된 저등급 석탄의 용도
KR101534461B1 (ko) 2012-10-01 2015-07-06 그레이트포인트 에너지, 인크. 응집된 미립자 저등급 석탄 공급원료 및 그의 용도
US10093874B2 (en) * 2014-03-19 2018-10-09 University Of Wyoming Coal gasification with FeCO3 catalyst
CN105861064B (zh) 2015-01-23 2018-11-16 通用电气公司 煤浆预热装置及使用该装置的煤气化系统和方法
CN105670697A (zh) * 2016-01-26 2016-06-15 武汉科技大学 一种褐煤微波脱水耦合气化的方法
US10464872B1 (en) 2018-07-31 2019-11-05 Greatpoint Energy, Inc. Catalytic gasification to produce methanol
US10344231B1 (en) 2018-10-26 2019-07-09 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with improved carbon utilization
US10435637B1 (en) 2018-12-18 2019-10-08 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with improved carbon utilization and power generation
US10618818B1 (en) 2019-03-22 2020-04-14 Sure Champion Investment Limited Catalytic gasification to produce ammonia and urea
CN111676033B (zh) * 2020-03-23 2021-12-07 同济大学 一种利用废弃物的制气系统及制气方法
US11923097B2 (en) 2020-06-18 2024-03-05 Battelle Energy Alliance, Llc Sensors for passively measuring a maximum temperature of a nuclear reactor, and related methods

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652319A (en) * 1949-01-03 1953-09-15 Standard Oil Dev Co Process for water-gas generation
US2868631A (en) * 1953-04-21 1959-01-13 Hydrocarbon Research Inc Gasification process
US2946670A (en) * 1957-03-11 1960-07-26 Texaco Development Corp Manufacture of synthesis gas
US2987387A (en) * 1958-12-30 1961-06-06 Texaco Inc Method for the production of carbon monoxide from solid fuels
US3615299A (en) * 1969-06-04 1971-10-26 Chevron Res Hydrogen production by reaction of carbon with steam or steam and oxygen
US3615300A (en) * 1969-06-04 1971-10-26 Chevron Res Hydrogen production by reaction of carbon with steam and oxygen
US4094650A (en) * 1972-09-08 1978-06-13 Exxon Research & Engineering Co. Integrated catalytic gasification process
US3871839A (en) * 1972-10-12 1975-03-18 Air Prod & Chem Method of feeding solid carbonaceous material to a high temperature reaction zone
US3800427A (en) * 1973-01-18 1974-04-02 Waagner Biro American Method for drying coal
DE2521132A1 (de) * 1975-05-13 1976-11-25 Rheinische Braunkohlenw Ag Verfahren zum trocknen von einen hohen gehalt an gebundenem wasser aufweisenden festen brennstoffen und eintragen der wasserarmen produkte in einen umsetzungsreaktor unter druck
US4057402A (en) * 1976-06-28 1977-11-08 Institute Of Gas Technology Coal pretreatment and gasification process
US4118204A (en) * 1977-02-25 1978-10-03 Exxon Research & Engineering Co. Process for the production of an intermediate Btu gas
DE2757918C2 (de) * 1977-12-24 1982-04-29 Davy McKee AG, 6000 Frankfurt Verfahren zum Trocknen und Einspeisen von festem Brennstoff in einen Druckvergaser
US4153427A (en) * 1978-02-23 1979-05-08 The United States Of America As Represented By The United States Department Of Energy Apparatus and method for feeding coal into a coal gasifier
DE2817835C2 (de) * 1978-04-24 1984-04-05 Kraftwerk Union AG, 4330 Mülheim Verfahren zur katalytischen Druckvergasung fester Brennstoffe mit Wasserdampf
GB2021630B (en) * 1979-01-16 1982-10-20 Exxon Research Engineering Co Catalytic conversion of carbonaceous solids

Also Published As

Publication number Publication date
JPS56103290A (en) 1981-08-18
AU532676B2 (en) 1983-10-06
EP0030841A2 (en) 1981-06-24
US4284416A (en) 1981-08-18
ZA807818B (en) 1981-12-30
AU6534680A (en) 1981-06-18
EP0030841B1 (en) 1984-06-20
DE3068327D1 (en) 1984-07-26
EP0030841A3 (en) 1981-07-01
CA1125026A (en) 1982-06-08

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