[go: up one dir, main page]

ES8605602A1 - Un metodo de recuperacion de productos quimicos de caldos agotados de pasta de papel - Google Patents

Un metodo de recuperacion de productos quimicos de caldos agotados de pasta de papel

Info

Publication number
ES8605602A1
ES8605602A1 ES547743A ES547743A ES8605602A1 ES 8605602 A1 ES8605602 A1 ES 8605602A1 ES 547743 A ES547743 A ES 547743A ES 547743 A ES547743 A ES 547743A ES 8605602 A1 ES8605602 A1 ES 8605602A1
Authority
ES
Spain
Prior art keywords
product
reactor
combustion
sulphide
content
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES547743A
Other languages
English (en)
Other versions
ES547743A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF Steel Engineering AB
Original Assignee
SKF Steel Engineering AB
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 SKF Steel Engineering AB filed Critical SKF Steel Engineering AB
Publication of ES547743A0 publication Critical patent/ES547743A0/es
Publication of ES8605602A1 publication Critical patent/ES8605602A1/es
Expired legal-status Critical Current

Links

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
    • D21C11/12—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
    • 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
    • Y10S423/09—Reaction techniques
    • Y10S423/10—Plasma energized

Landscapes

  • Paper (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Processing Of Solid Wastes (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

METODO PAREA LA RECUPERACION DE PRODUCTOS QUIMICOS DE CALDOS AGOTADOS DE PASTA DE PAPEL, MIENTRAS SE UTILIZA AL MISMO TIEMPO LA ENERGIA LIBERADA DURANTE EL PROCESO. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, UN FUNDIDO RESULTANTE DE LA GASIFICACION Y DESINTEGRACION PARCIAL DE LOS CALDOS AGOTADOS DE PULPA DE PAPEL SE INTRODUCE, JUNTO CON ENERGIA TERMICA EXTERNA INDEPENDIENTE DE LA COMBUSTION, EN LA ZONA DE REACCION DE UN REACTOR; SEGUNDA, EN LA COMBUSTION PRODUCIDA EN EL REACTOR SE DESPRENDEN LOS PRODUCTOS QUIMICOS EN ESTADO GASEOSO; Y POR ULTIMO, EL PRODUCTO GASEOSO SE APAGA EN UNA ZONA DE APAGADO PREVISTA EN EL REACTOR Y A CONTINUACION SE ENFRIA A UNA TEMPERATURA INFERIOR A 950 GRADOS.
ES547743A 1984-10-19 1985-10-09 Un metodo de recuperacion de productos quimicos de caldos agotados de pasta de papel Expired ES8605602A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8405231A SE454188B (sv) 1984-10-19 1984-10-19 Sett att atervinna kemikalier ur massaavlutar

Publications (2)

Publication Number Publication Date
ES547743A0 ES547743A0 (es) 1986-03-16
ES8605602A1 true ES8605602A1 (es) 1986-03-16

Family

ID=20357414

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547743A Expired ES8605602A1 (es) 1984-10-19 1985-10-09 Un metodo de recuperacion de productos quimicos de caldos agotados de pasta de papel

Country Status (14)

Country Link
US (1) US4917763A (es)
JP (1) JPS61174490A (es)
CN (1) CN85107664B (es)
AU (1) AU579409B2 (es)
BR (1) BR8505120A (es)
CA (1) CA1264506A (es)
DE (1) DE3536022A1 (es)
ES (1) ES8605602A1 (es)
FI (1) FI80086C (es)
FR (1) FR2572100B1 (es)
GB (1) GB2165770B (es)
NZ (1) NZ213787A (es)
PT (1) PT81341B (es)
SE (1) SE454188B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU580418B2 (en) * 1985-05-22 1989-01-12 A. Ahlstrom Corporation Method of recovering alkaline chemicals from flue gases containing alkaline metal vapor
SE448173B (sv) * 1985-06-03 1987-01-26 Croon Inventor Ab Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys
SE464921B (sv) * 1987-06-25 1991-07-01 Skf Plasma Tech Saett att aatervinna kemikalier ur massaavlutar
SE9001957L (sv) * 1990-05-31 1991-12-01 Chemrec Ab Rening av processgas fraan partiell foerbraenning av svartlut
FI914587A7 (fi) * 1991-09-27 1993-03-28 Ahlstroem Oy Foerfarande foer framstaellning av natriumhydroxid
DE19642162A1 (de) * 1996-10-12 1998-04-16 Krc Umwelttechnik Gmbh Verfahren zur Regeneration einer beim Kraftprozeß zum Aufschluß von Holz anfallenden Flüssigkeit unter gleichzeitiger Gewinnung von Energie
US7494637B2 (en) 2000-05-16 2009-02-24 Massachusetts Institute Of Technology Thermal conversion of biomass to valuable fuels, chemical feedstocks and chemicals
BRPI1006661B1 (pt) 2009-03-09 2019-12-03 Kiram Ab processo para a fabricação de material formado por celulose a partir de lignocelulose por uma sequência das etapas que consistem em separar, dissolver e formar celulose e processo para fabricação de material de celulose conformada a partir de polpa de celulose e para a recuperação e a reciclagem de substâncias químicas para dissolução de celulose residual e para conformação de celulose

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236589A (en) * 1961-02-03 1966-02-22 Reinhall Rolf Bertil Method of working up cellulose waste liquor containing sodium and sulfur
US3163495A (en) * 1962-05-02 1964-12-29 Greenawalt John Eckert In the recovery of chemicals from the incineration of waste black liquor, the method f eliminating noxious compounds entrained in the combustion gas
US3323858A (en) * 1964-08-21 1967-06-06 Lummus Co Process for recovering the alkali metal content of spent pulping liquor
SE378119B (es) * 1972-04-04 1975-08-18 Angpanneforeningen
US3780675A (en) * 1972-04-18 1973-12-25 Boardman Co Plasma arc refuse disintegrator
SE448007B (sv) * 1983-04-21 1987-01-12 Skf Steel Eng Ab Forfarande och anordning for atervinning av kemikalier ur massaavlut

Also Published As

Publication number Publication date
FI80086C (fi) 1990-04-10
FI853789A0 (fi) 1985-10-01
FR2572100B1 (fr) 1988-12-16
US4917763A (en) 1990-04-17
SE8405231L (sv) 1986-04-20
FR2572100A1 (fr) 1986-04-25
FI80086B (fi) 1989-12-29
FI853789L (fi) 1986-04-20
GB2165770B (en) 1988-07-27
CA1264506A (en) 1990-01-23
GB8509344D0 (en) 1985-05-15
NZ213787A (en) 1988-01-08
AU4842985A (en) 1986-04-24
ES547743A0 (es) 1986-03-16
SE8405231D0 (sv) 1984-10-19
BR8505120A (pt) 1986-07-29
CN85107664B (zh) 1988-05-04
DE3536022C2 (es) 1987-12-03
SE454188B (sv) 1988-04-11
AU579409B2 (en) 1988-11-24
GB2165770A (en) 1986-04-23
CN85107664A (zh) 1986-04-10
JPS61174490A (ja) 1986-08-06
PT81341B (pt) 1992-06-30
DE3536022A1 (de) 1986-04-24
JPH0160112B2 (es) 1989-12-21
PT81341A (en) 1985-11-01

Similar Documents

Publication Publication Date Title
US4601786A (en) Recovery of chemicals from pulp waste liquor with plasma generator heating
AU677827B2 (en) A method of separating sulphur compounds
ES8605602A1 (es) Un metodo de recuperacion de productos quimicos de caldos agotados de pasta de papel
US3323858A (en) Process for recovering the alkali metal content of spent pulping liquor
US4098886A (en) Gas purification liquors
MY104532A (en) A process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking
US3841962A (en) Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes
BR9206929A (pt) Processo para preparar um licor de digestão
US2752243A (en) Ammonia-sulfur dioxide cooking acid regeneration
US3619350A (en) Chlorine dioxide pulp bleaching system
US3020195A (en) Production of potassium compounds
CA1275761C (en) Recovering chemicals from spent pulp liquors
GB1348548A (en) Pollution controlled polysulphide recovery process
US1934655A (en) Treatment of residual liquors
US3111377A (en) Treatment of sulfite spent liquor
SE9300199L (sv) Metod vid återvinning av cellulosaavlutar
US4153670A (en) Method of treating an alkali metal sulfide liquor
US2047032A (en) Process of correlating chemical recovery in pulp mills operating with different kinds of liquors
SU934912A3 (ru) Способ получени беленой сульфатной целлюлозы
US3226190A (en) Recovery process for calcium-base sulfite spent liquor
CA1096113A (en) Fluidized bed recovery of sodium carbonate from spent cooking liquor
JPH0382885A (ja) 非木材パルプ用ソーダ回収方法