WO2012149988A1 - Procédé de gazéification d'une matière de départ solide contenant du carbone - Google Patents

Procédé de gazéification d'une matière de départ solide contenant du carbone Download PDF

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Publication number
WO2012149988A1
WO2012149988A1 PCT/EP2012/000270 EP2012000270W WO2012149988A1 WO 2012149988 A1 WO2012149988 A1 WO 2012149988A1 EP 2012000270 W EP2012000270 W EP 2012000270W WO 2012149988 A1 WO2012149988 A1 WO 2012149988A1
Authority
WO
WIPO (PCT)
Prior art keywords
condensate
gas
steam
gasification
water
Prior art date
Application number
PCT/EP2012/000270
Other languages
German (de)
English (en)
Inventor
Gerhard Schmitt
Ludolf W. PLASS
Original Assignee
Lurgi Gmbh
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 Lurgi Gmbh filed Critical Lurgi Gmbh
Priority to CN201280021271.4A priority Critical patent/CN103502399B/zh
Priority to KR1020137029221A priority patent/KR101612171B1/ko
Priority to AP2013007269A priority patent/AP2013007269A0/xx
Priority to AU2012250295A priority patent/AU2012250295B2/en
Publication of WO2012149988A1 publication Critical patent/WO2012149988A1/fr
Priority to ZA2013/07463A priority patent/ZA201307463B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/265—Drying gases or vapours by refrigeration (condensation)
    • 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
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/001—Purifying combustible gases containing carbon monoxide working-up the condensates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C10K1/06—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials combined with spraying with water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • 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
    • C10J2300/0953—Gasifying agents
    • C10J2300/0959—Oxygen
    • 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
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • C10J2300/0976—Water as steam
    • 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
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C10J2300/1606—Combustion processes
    • 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
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/164—Integration of gasification processes with another plant or parts within the plant with conversion of synthesis gas
    • C10J2300/1643—Conversion of synthesis gas to energy
    • C10J2300/165—Conversion of synthesis gas to energy integrated with a gas turbine or gas motor
    • 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
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/169—Integration of gasification processes with another plant or parts within the plant with water treatments
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Definitions

  • synthesis gas is intended to include gas for both e.g. include the ammonia, methanol, oxo or Fischer Tropsch synthesis, as well as for use as fuel for gas turbines or as city or remote gas.
  • synthesis gas is intended to include gas for both e.g. include the ammonia, methanol, oxo or Fischer Tropsch synthesis, as well as for use as fuel for gas turbines or as city or remote gas.
  • a disadvantage of the prior art is that in the treatment of the condensate always wastewater is produced, which must be discharged from the gasification process, and despite the mentioned cleaning treatments often contains impurities that in the disposal or use to affect the environment and / or eg the cooling tower operation can lead. It was therefore an object to provide a gasification process that avoids the disadvantages mentioned above.
  • the method according to the invention is characterized in that the amount of wastewater to be discharged from the gasification process is reduced by at least partly feeding the condensate originating from the cooling and scrubbing of the raw gas into the gasification reactor as process gas. In extreme cases, this results in a completely wastewater-free gasification process.
  • the method according to the invention comprises the following method steps:
  • a solid, carbonaceous feedstock such as peat, lignite or hard coal
  • gasified with the addition of an oxygen-containing gas and water vapor by a known per se method, preferably the Lurgi pressure gasification process.
  • the raw gas leaving the gasification reactor is cooled and washed in at least one washer-cooler by means of water and condensate. Subsequently, the raw gas is cooled by indirect heat transfer in a waste heat boiler, wherein the heat extracted from the raw gas is used to generate steam. From the waste heat boiler is the raw gas for further processing, not for Scope of this invention is passed, in which ultimately a purified synthesis gas containing carbon oxides and hydrogen, is recovered
  • the purified condensate is then evaporated by indirect heat transfer in the waste heat boiler.
  • the organic constituents contained in the water vapor thus obtained are essentially converted into water vapor and carbon dioxide by means of a plant for thermal or catalytic afterburning.
  • the water vapor contained in the flue gas of the afterburning is condensed out and the condensate is worked up to a plant for boiler feed water.
  • steps familiar to the person skilled in the art for the treatment of boiler feed water are carried out, for example the thermal and / or chemical degassing of the water and softening and addition of further conditioning agents.
  • the resulting water is added to a steam generator and the resulting vapor is fed as process steam into the gasification reactor. Since a net conversion of the added water with the carbonaceous feed to synthesis gas components occurs in the gasification reactor, it is usually necessary to supply the gasification reactor with an additional steam stream produced from fresh water to meet the steam demand of the gasification reaction.
  • organic constituents such as phenols, and ammonia and sulfur are removed by methods known per se.
  • recoverable materials such as phenols and ammonia, on the other hand, these substances then no longer lead to contamination on the politicians appriser inhabit- in the subsequent evaporation of the condensate in the waste heat boiler.
  • the heat generated in the thermal or catalytic afterburning of the steam is used to generate the process steam., In this way, the consumption of fossil fuel for steam generation can be reduced.
  • Fig. 1 shows a preferred embodiment of the method according to the invention.
  • a solid fuel (2) such as peat, lignite or hard coal, gasified with the addition of oxygen (3) and steam as process steam (4).
  • the raw gas produced leaves the gas generator (1) via line (5) and is introduced into the washing cooler (6), in which it is brought into contact with an aqueous washing liquid. In this case, impurities from the gas are taken up by the washing liquid.
  • the gas condensate and via line (9) the gas in the waste heat boiler (8) is transferred.
  • the waste heat boiler (8) the gas is cooled by indirect heat transfer and vapors, mainly water vapor, are condensed out as so-called gas condensate.
  • Stream (17) represents the separated from the gas condensate substances
  • line (18) the thus purified gas condensate is passed on the shell side into the waste heat boiler and evaporated there by the heat extracted from the gas.
  • the vapor thus obtained is supplied via line (19) to a thermal afterburning and steam generating plant (20), whereby by using a fuel and oxygen (21), organic impurities present in the steam are oxidized.
  • the flue gas formed in the thermal post-combustion (20) is fed via line (22) to a condenser (23) in which the water vapor contained in the flue gas is condensed out.
  • the remaining components of the flue gas are discharged via line (24) to the environment.
  • the condensate water is placed in a boiler feedwater treatment (26).
  • Stream (28) represents the separated from water and discharged from the treatment plant materials.
  • the treated condensate water is from there, via line (29), pipe side in the system for thermal post-combustion (20) and by means of the thermal afterburning won heat evaporated.
  • the steam thus generated is fed via line (4) as process steam to the gas generator (1).
  • the invention thus provides an economical process for the production of synthesis gas by gasification of solid, carbon-containing starting materials, which can be carried out with a particularly low wastewater content.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Industrial Gases (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

L'invention concerne un procédé de gazéification d'un combustible solide contenant du carbone, tel que la tourbe, le lignite ou la houille, en ajoutant un gaz contenant de l'oxygène et en ajoutant de la vapeur d'eau, le condensat de gaz obtenu suite au lavage et au refroidissement du gaz brut étant purifié d'une manière connue en soi, pour ensuite l'évaporer dans une chaudière de récupération, purifier la vapeur en réalisant une postcombustion thermique ou catalytique, récupérer par condensation la vapeur d'eau contenue dans les fumées ainsi produites et traiter l'eau de condensation dans un dispositif servant à épurer l'eau d'alimentation de la chaudière pour ensuite l'évaporer au moyen de la chaleur produite lors de la postcombustion thermique et mettre en œuvre la vapeur en tant que vapeur industrielle lors de la gazéification desdites matières de départ solides.
PCT/EP2012/000270 2011-05-02 2012-01-21 Procédé de gazéification d'une matière de départ solide contenant du carbone WO2012149988A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201280021271.4A CN103502399B (zh) 2011-05-02 2012-01-21 用于气化固体含碳原料的方法
KR1020137029221A KR101612171B1 (ko) 2011-05-02 2012-01-21 탄소 함유 고체 원료의 기화 방법
AP2013007269A AP2013007269A0 (en) 2011-05-02 2012-01-21 Method for gasifying solid raw material containingcarbon
AU2012250295A AU2012250295B2 (en) 2011-05-02 2012-01-21 Method for gasifying solid raw material containing carbon
ZA2013/07463A ZA201307463B (en) 2011-05-02 2013-10-07 Method for the gasification of solid carbonaceous feedstock

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011100202.6 2011-05-02
DE102011100202A DE102011100202A1 (de) 2011-05-02 2011-05-02 Verfahren zur Vergasung von festem, kohlenstoffhaltigem Einsatzstoff

Publications (1)

Publication Number Publication Date
WO2012149988A1 true WO2012149988A1 (fr) 2012-11-08

Family

ID=45581810

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/000270 WO2012149988A1 (fr) 2011-05-02 2012-01-21 Procédé de gazéification d'une matière de départ solide contenant du carbone

Country Status (7)

Country Link
KR (1) KR101612171B1 (fr)
CN (1) CN103502399B (fr)
AP (1) AP2013007269A0 (fr)
AU (1) AU2012250295B2 (fr)
DE (1) DE102011100202A1 (fr)
WO (1) WO2012149988A1 (fr)
ZA (1) ZA201307463B (fr)

Cited By (1)

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CN106494908A (zh) * 2016-12-12 2017-03-15 北京神雾环境能源科技集团股份有限公司 一种电子垃圾热解的进出料系统及方法

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DE102014107569B4 (de) 2014-05-28 2023-11-16 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Verfahren und Anlage zur Herstellung und Zwischenlagerung von gereinigtem Gaskondensat
CN106497603A (zh) * 2016-12-13 2017-03-15 神雾环保技术股份有限公司 一种电石冶炼和煤炭气化耦合的系统及方法
CN107011948B (zh) * 2017-04-26 2019-05-24 四川天一科技股份有限公司 一种低压煤制气低位热及冷凝液回收方法
CN109384340A (zh) * 2017-08-10 2019-02-26 通用电气神华气化技术有限公司 气化废水组合处理系统及方法

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DE102007035301A1 (de) 2007-07-27 2009-01-29 Lurgi Gmbh Verfahren und Vorrichtung zum Behandeln von durch Druckvergasen fester Brennstoffe erzeugtem Rohgas

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US4295864A (en) * 1978-12-14 1981-10-20 Metallgesellschaft Aktiengesellschaft Process of treating pressurized condensate
GB2198744A (en) * 1986-12-16 1988-06-22 British Gas Plc Gasification process
DE102007035301A1 (de) 2007-07-27 2009-01-29 Lurgi Gmbh Verfahren und Vorrichtung zum Behandeln von durch Druckvergasen fester Brennstoffe erzeugtem Rohgas

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Publication number Priority date Publication date Assignee Title
CN106494908A (zh) * 2016-12-12 2017-03-15 北京神雾环境能源科技集团股份有限公司 一种电子垃圾热解的进出料系统及方法

Also Published As

Publication number Publication date
AU2012250295B2 (en) 2017-04-13
KR20140045354A (ko) 2014-04-16
CN103502399B (zh) 2015-08-26
AU2012250295A1 (en) 2013-11-14
AP2013007269A0 (en) 2013-11-30
CN103502399A (zh) 2014-01-08
ZA201307463B (en) 2015-04-29
DE102011100202A1 (de) 2012-11-08
KR101612171B1 (ko) 2016-04-12

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