FI82494B - Foerfarande foer tillvaratagning av kemikalier och energi. - Google Patents

Foerfarande foer tillvaratagning av kemikalier och energi. Download PDF

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Publication number
FI82494B
FI82494B FI870449A FI870449A FI82494B FI 82494 B FI82494 B FI 82494B FI 870449 A FI870449 A FI 870449A FI 870449 A FI870449 A FI 870449A FI 82494 B FI82494 B FI 82494B
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FI
Finland
Prior art keywords
gas
reactor
chemicals
liquor
process according
Prior art date
Application number
FI870449A
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English (en)
Finnish (fi)
Other versions
FI82494C (sv
FI870449A (fi
FI870449A0 (fi
Inventor
Jean-Erik Kignell
Original Assignee
Croon Inventor
Kignell Jean Erik
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Publication of FI870449A publication Critical patent/FI870449A/fi
Publication of FI870449A0 publication Critical patent/FI870449A0/fi
Application granted granted Critical
Publication of FI82494B publication Critical patent/FI82494B/fi
Publication of FI82494C publication Critical patent/FI82494C/sv

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • 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
    • C10J3/48—Apparatus; Plants
    • C10J3/485—Entrained flow gasifiers
    • 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
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • 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
    • C10K1/002—Removal of contaminants
    • C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
    • C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
    • 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
    • C10K1/02—Dust removal
    • 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
    • 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
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/101—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids with water only
    • 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
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/103—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkali- or earth-alkali- or NH4 salts or inorganic acids derived from sulfur
    • 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
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
    • C10K1/122—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing only carbonates, bicarbonates, hydroxides or oxides of alkali-metals (including Mg)
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • D21C11/127—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis with post-combustion of the 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
    • C10J2300/12—Heating the gasifier
    • C10J2300/1223—Heating the gasifier by burners
    • 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
    • C10J2300/1671—Integration of gasification processes with another plant or parts within the plant with the production of electricity
    • C10J2300/1675—Integration of gasification processes with another plant or parts within the plant with the production of electricity making use of a steam turbine
    • 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
    • C10J2300/1687—Integration of gasification processes with another plant or parts within the plant with steam generation
    • 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
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Claims (11)

1. Förfarande för utvinning av kemikalier och energi frän cellulosaavfallslutar, företrädesvis svartlut erhällen i en pappersmassasulfatprocess, kännetecknat av att i) man inför avfallsluten i en trycksatt förgasningsreaktor under atomisering och utsätter den för en flash-pyrolys under huvudsaklig bildning av CO, CO2, H2, H2S, Na2C03 och Na2S, ii) man inför syre eller syreinnehällande gas för att stödja de endoterma pyrolysreaktionerna genom förbränning av del av gasen, som bildats vid pyrolysen av det organiska mate-rialet, som föreligger i nämnda lut, lii) man upprätthäller i nämnda reaktor en temperatur av minst 700°C för uppnäende av fullständig förgasning av det organiska innehället i avfallsluten, och för att bilda droppar av smälta, oorganiska kemikalier, huvudsakligen omfattande Na2C03 och Na2S, iv) man förflyttar nämnda smälta av kemikalier ut ur reak-torn medelst det snabba gasflöde som erhällits under nämnda förgasning och kylning av nämnda gas och smälta av kemikalier, vilken smälta föreligger huvudsakligen i form av droppar genom direktkontakt med en vattenhaltig kylvätska, v) man tvättar gasen med avseende pä dess innehäll av kemikalier medelst en alkalisk lösning för upplösning av nämnda kemikalier, och för avlägsnande av svavelinnehällande för-eningar frän pyrolysgasen, och vi) man avlägsnar äterstäende gas och använder den som bränsle för generering av änga och/eller elektrisk kraft.
2. Förfarande enligt patentkrav 1, kännetecknat av att temperaturen i reaktorn är upp till 1 300eC.
3. Förfarande enligt patentkrav 1 och 2, kännetecknat av att temperaturen i reaktorn är 800 - 1 000°C, företrädesvis 800-900°C. 14 82494
4. Förfarande enligt patentkrav 1, kännetecknat av att trycket i reaktorn är 300 - 15 000, företrädesvis 1 000 -10 000, mera företrädesvis 3 000 - 5 000 kPa.
5. Förfarande enligt patentkrav 1, kännetecknat av att temperaturen i gastvätt och energiutvinningen i systemet är 120-300°C och lämpligen 150-200*C.
6. Förfarande enligt patentkrav 1, kännetecknat av att den alkaliska tvättlösningen omfattar natriumkarbonat, natriumhydroxid, och/eller en blandning av natriumkarbonat och natriumsulfid.
7. Förfarande enligt patentkrav 1, kännetecknat av att nämnda gas slutligen tvättas med vatten.
8. Förfarande enligt patentkrav 1, kännetecknat av att änga och elektricitet genereras i en sä kallad gasturbin/-ängturbincykel.
9. Förfarande enligt patentkrav 1, kännetecknat av att stödbränsle, säsom oija eller gas, införes i nämnda reaktor, om sä behövs, för att bibehälla värmebalansen runt nämnda reaktor.
10. Förfarande enligt patentkrav 9, kännetecknat av att nämnda bränsle utgöres av recirkulerad pyrolysgas frän processen.
11. Förfarande enligt patentkrav 1, kännetecknat av att införandet av syre eller syrehaltig gas sker pä visst av-ständ frän införspunkten av avfallsluten tili nämnda reaktor.
FI870449A 1985-06-03 1987-02-02 Förfarande för tillvaratagning av kemikalier och energi FI82494C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8502731 1985-06-03
SE8502731A SE448173B (sv) 1985-06-03 1985-06-03 Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys
SE8600249 1986-05-30
PCT/SE1986/000249 WO1986007396A1 (en) 1985-06-03 1986-05-30 Process for chemicals and energy recovery

Publications (4)

Publication Number Publication Date
FI870449A FI870449A (fi) 1987-02-02
FI870449A0 FI870449A0 (fi) 1987-02-02
FI82494B true FI82494B (fi) 1990-11-30
FI82494C FI82494C (sv) 1991-03-11

Family

ID=20360431

Family Applications (1)

Application Number Title Priority Date Filing Date
FI870449A FI82494C (sv) 1985-06-03 1987-02-02 Förfarande för tillvaratagning av kemikalier och energi

Country Status (12)

Country Link
US (1) US4808264A (sv)
EP (1) EP0223821B1 (sv)
JP (1) JPS62503110A (sv)
AT (1) ATE45403T1 (sv)
BR (1) BR8606701A (sv)
CA (1) CA1272005A (sv)
DE (1) DE3664939D1 (sv)
ES (1) ES8704570A1 (sv)
FI (1) FI82494C (sv)
PT (1) PT82677B (sv)
SE (1) SE448173B (sv)
WO (1) WO1986007396A1 (sv)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
US7465372B2 (en) 2002-07-04 2008-12-16 Metso Power Oy Method for treatment of spent liquor
WO2009135999A1 (en) 2008-05-06 2009-11-12 Metso Power Oy Method and equipment for treatment of black li quor at pulp mill
EP2309056A1 (en) 2009-10-05 2011-04-13 Metso Power Oy Method and apparatus for processing black liquor of pulp mill
WO2011055010A1 (en) 2009-11-06 2011-05-12 Metso Power Oy Method and equipment for treatment of black liquor at pulp mill

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EP0223821A1 (en) 1987-06-03
FI82494C (sv) 1991-03-11
JPS62503110A (ja) 1987-12-10
CA1272005A (en) 1990-07-31
PT82677A (en) 1986-06-01
FI870449A (fi) 1987-02-02
SE448173B (sv) 1987-01-26
DE3664939D1 (en) 1989-09-14
SE8502731D0 (sv) 1985-06-03
WO1986007396A1 (en) 1986-12-18
ES555387A0 (es) 1987-04-16
FI870449A0 (fi) 1987-02-02
ES8704570A1 (es) 1987-04-16
SE8502731L (sv) 1986-12-04
EP0223821B1 (en) 1989-08-09
US4808264A (en) 1989-02-28
JPH0343393B2 (sv) 1991-07-02
BR8606701A (pt) 1987-08-11
ATE45403T1 (de) 1989-08-15
PT82677B (pt) 1988-03-03

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