CL2017001066A1 - Método de operación de un sistema de digestor doble - Google Patents

Método de operación de un sistema de digestor doble

Info

Publication number
CL2017001066A1
CL2017001066A1 CL2017001066A CL2017001066A CL2017001066A1 CL 2017001066 A1 CL2017001066 A1 CL 2017001066A1 CL 2017001066 A CL2017001066 A CL 2017001066A CL 2017001066 A CL2017001066 A CL 2017001066A CL 2017001066 A1 CL2017001066 A1 CL 2017001066A1
Authority
CL
Chile
Prior art keywords
liquor
cooking
high temperature
digestor
final
Prior art date
Application number
CL2017001066A
Other languages
English (en)
Spanish (es)
Inventor
Krister Olsson
Fredrik Wilgotson
Magnus Haegglund
Original Assignee
Valmet 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 Valmet Oy filed Critical Valmet Oy
Publication of CL2017001066A1 publication Critical patent/CL2017001066A1/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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CL2017001066A 2014-11-07 2017-04-28 Método de operación de un sistema de digestor doble CL2017001066A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1451340A SE538452C2 (en) 2014-11-07 2014-11-07 Method for operating a two vessel digester system

Publications (1)

Publication Number Publication Date
CL2017001066A1 true CL2017001066A1 (es) 2017-12-29

Family

ID=55909499

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2017001066A CL2017001066A1 (es) 2014-11-07 2017-04-28 Método de operación de un sistema de digestor doble

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
US6468390B1 (en) * 1998-08-24 2002-10-22 Kvaerner Pulping Ab Method for continuous cooking of lignocellulosic fiber 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
EP3215672A1 (fr) 2017-09-13
BR112017009620B1 (pt) 2022-04-12
EP3215672B1 (fr) 2019-01-23
EP3215672A4 (fr) 2018-05-02
SE1451340A1 (sv) 2016-05-08
SE538452C2 (en) 2016-07-05
BR112017009620A2 (pt) 2017-12-19
WO2016072919A1 (fr) 2016-05-12

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