CL2019003240A1 - Método de producción de pulpa química. - Google Patents

Método de producción de pulpa química.

Info

Publication number
CL2019003240A1
CL2019003240A1 CL2019003240A CL2019003240A CL2019003240A1 CL 2019003240 A1 CL2019003240 A1 CL 2019003240A1 CL 2019003240 A CL2019003240 A CL 2019003240A CL 2019003240 A CL2019003240 A CL 2019003240A CL 2019003240 A1 CL2019003240 A1 CL 2019003240A1
Authority
CL
Chile
Prior art keywords
fibrous material
stage
chemical pulp
production method
treated
Prior art date
Application number
CL2019003240A
Other languages
English (en)
Inventor
Ismo Reilama
Janne Vehmaa
Kari Kovasin
Original Assignee
Andritz Oy
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 Andritz Oy filed Critical Andritz Oy
Publication of CL2019003240A1 publication Critical patent/CL2019003240A1/es

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • 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
    • D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Fodder In General (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

LA PRESENTE INVENCIÓN TIENE RELACIÓN CON UN MÉTODO PARA PRODUCIR PULPA QUÍMICA. EL MÉTODO COMPRENDE A LO MENOS LAS SIGUIENTES ETAPAS: A) ASTILLAS DE MADERA U OTRO MATERIAL FIBROSO LIGNO CELULÓSICO TRITURADO, SON TRATADAS CON UN LICOR DE COCCIÓN QUE CONTIENE POLI SULFURO EN UNA ETAPA DE IMPREGNACIÓN A UNA TEMPERATURA DE 90-145º, Y B) LA LECHADA DE MATERIAL FIBROSO DE LA ETAPA A) ES CALENTADA A LA TEMPERATURA DE COCCIÓN Y ES COCIDA PARA PRODUCIR UNA PULPA QUE TIENE UN NÚMERO KAPPA REQUERIDO. POSTERIORMENTE A LA ETAPA A) SON AGREGADOS IONES MERCAPTÍDICOS A LA LECHADA DE MATERIAL FIBROSO Y EL MATERIAL FIBROSO ES TRATADO A TEMPERATURA DE COCCIÓN EN LA ETAPA B).
CL2019003240A 2017-05-16 2019-11-12 Método de producción de pulpa química. CL2019003240A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20175442A FI129362B (fi) 2017-05-16 2017-05-16 Menetelmä kemiallisen massan tuottamiseksi

Publications (1)

Publication Number Publication Date
CL2019003240A1 true CL2019003240A1 (es) 2020-04-17

Family

ID=62778934

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2019003240A CL2019003240A1 (es) 2017-05-16 2019-11-12 Método de producción de pulpa química.

Country Status (7)

Country Link
US (1) US11473241B2 (es)
EP (1) EP3635173B1 (es)
CA (1) CA3061694C (es)
CL (1) CL2019003240A1 (es)
ES (1) ES3031819T3 (es)
FI (1) FI129362B (es)
WO (1) WO2018211175A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025156027A1 (pt) * 2024-01-26 2025-07-31 Suzano S.A. Processo de produção de polpa de celulose, polpa de celulose, uso da polpa de celulose e embalagem de papel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO920692L (no) * 1991-05-24 1992-11-25 Kamyr Inc Behandling av organiske svovelgasser, spesielt i kraftmasse systemer og prosesser
US5450892A (en) * 1993-03-29 1995-09-19 Alliedsignal Inc. Alkaline scrubber for condensate stripper off-gases
FI102976B1 (fi) * 1994-02-28 1999-03-31 Valtion Teknillinen Menetelmä lisäkeittokemikaalien tuottamiseen ja käyttämiseen sulfaattiprosessissa
SE9703365D0 (sv) * 1997-09-18 1997-09-18 Kvaerner Pulping Tech Method in connection with impregnation and digestion of lignocelulosic material
FI118347B (fi) * 2001-06-21 2007-10-15 Keskuslaboratorio Menetelmä kemiallisen selluloosamassan valmistamiseksi
FI120361B (fi) * 2003-12-31 2009-09-30 Gl & V Finance Hungary Kft Eräkeittomenetelmä kraftmassan valmistamiseksi
US7828930B2 (en) 2007-11-20 2010-11-09 International Paper Company Use of polysulfide in modified cooking
FI122983B (fi) * 2009-02-09 2012-09-28 Andritz Inc Menetelmä höyryn kehittämiseksi sellutehtaan keittämöllä
ES2854725T3 (es) * 2010-06-03 2021-09-22 Fpinnovations Procedimiento para la separación de lignina de licor negro
WO2013032377A1 (en) * 2011-08-30 2013-03-07 Metso Paper Sweden Ab Kraft cooking method using polysulfide cooking liquor

Also Published As

Publication number Publication date
FI20175442A7 (fi) 2018-11-17
FI20175442A1 (fi) 2018-11-17
EP3635173C0 (en) 2025-04-02
CA3061694A1 (en) 2018-11-22
RU2019141267A3 (es) 2021-09-02
RU2019141267A (ru) 2021-06-16
EP3635173B1 (en) 2025-04-02
CA3061694C (en) 2025-05-20
ES3031819T3 (en) 2025-07-11
FI129362B (fi) 2021-12-31
WO2018211175A1 (en) 2018-11-22
US20200181838A1 (en) 2020-06-11
EP3635173A1 (en) 2020-04-15
US11473241B2 (en) 2022-10-18

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