BR112017009620B1 - Método para cozinhar material celulósico triturado - Google Patents

Método para cozinhar material celulósico triturado Download PDF

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Publication number
BR112017009620B1
BR112017009620B1 BR112017009620-0A BR112017009620A BR112017009620B1 BR 112017009620 B1 BR112017009620 B1 BR 112017009620B1 BR 112017009620 A BR112017009620 A BR 112017009620A BR 112017009620 B1 BR112017009620 B1 BR 112017009620B1
Authority
BR
Brazil
Prior art keywords
liquor
digester
cooking
vessel
impregnation
Prior art date
Application number
BR112017009620-0A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112017009620A2 (pt
Inventor
Fredrik Wilgotson
Magnus Hãgglund
Krister Olsson
Original Assignee
Valmet 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 Valmet Ab filed Critical Valmet Ab
Publication of BR112017009620A2 publication Critical patent/BR112017009620A2/pt
Publication of BR112017009620B1 publication Critical patent/BR112017009620B1/pt

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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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR112017009620-0A 2014-11-07 2015-11-04 Método para cozinhar material celulósico triturado BR112017009620B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1451340A SE538452C2 (en) 2014-11-07 2014-11-07 Method for operating a two vessel digester system
SE1451340-2 2014-11-07
PCT/SE2015/051161 WO2016072919A1 (fr) 2014-11-07 2015-11-04 Procédé de fonctionnement d'un système de digesteur à deux cuves

Publications (2)

Publication Number Publication Date
BR112017009620A2 BR112017009620A2 (pt) 2017-12-19
BR112017009620B1 true BR112017009620B1 (pt) 2022-04-12

Family

ID=55909499

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017009620-0A BR112017009620B1 (pt) 2014-11-07 2015-11-04 Método para cozinhar material celulósico triturado

Country Status (5)

Country Link
EP (1) EP3215672B1 (fr)
BR (1) BR112017009620B1 (fr)
CL (1) CL2017001066A1 (fr)
SE (1) SE538452C2 (fr)
WO (1) WO2016072919A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109312537A (zh) * 2016-05-27 2019-02-05 维美德公司 用于料片浸渍的双重碱加料

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US5522958A (en) * 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking
SE9802844D0 (sv) * 1998-08-24 1998-08-24 Kvaerner Pulping Tech Method for continuous cooking of lignocellulosic fibre material
FI990127A0 (fi) * 1999-01-22 1999-01-22 Ahlstrom Machinery Oy Menetelmä massan käsittelemiseksi
SE518957C2 (sv) * 2002-01-24 2002-12-10 Kvaerner Pulping Tech Förfarande för att öka värmeekonomin i kokarsystemet vid kontinuerlig kokning
FI123023B (fi) * 2009-09-01 2012-10-15 Andritz Oy Menetelmä ja laitteisto suovan erottamiseksi

Also Published As

Publication number Publication date
SE538452C2 (en) 2016-07-05
BR112017009620A2 (pt) 2017-12-19
SE1451340A1 (sv) 2016-05-08
CL2017001066A1 (es) 2017-12-29
WO2016072919A1 (fr) 2016-05-12
EP3215672A4 (fr) 2018-05-02
EP3215672B1 (fr) 2019-01-23
EP3215672A1 (fr) 2017-09-13

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 04/11/2015, OBSERVADAS AS CONDICOES LEGAIS.