FI20080145A0 - Process for treating pulp - Google Patents

Process for treating pulp

Info

Publication number
FI20080145A0
FI20080145A0 FI20080145A FI20080145A FI20080145A0 FI 20080145 A0 FI20080145 A0 FI 20080145A0 FI 20080145 A FI20080145 A FI 20080145A FI 20080145 A FI20080145 A FI 20080145A FI 20080145 A0 FI20080145 A0 FI 20080145A0
Authority
FI
Finland
Prior art keywords
treating pulp
pulp
treating
Prior art date
Application number
FI20080145A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20080145A (en
FI122246B (en
Inventor
Janne Vehmaa
Olavi Pikka
Pekka Tervola
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
Priority claimed from FI20070477A external-priority patent/FI122812B/en
Application filed by Andritz Oy filed Critical Andritz Oy
Priority to FI20080145A priority Critical patent/FI122246B/en
Publication of FI20080145A0 publication Critical patent/FI20080145A0/en
Priority to FI20080298A priority patent/FI20080298L/en
Priority to CN200880020326.3A priority patent/CN101680174B/en
Priority to US12/664,719 priority patent/US8632657B2/en
Priority to PCT/FI2008/000065 priority patent/WO2008152186A2/en
Priority to BRPI0813910-5A priority patent/BRPI0813910B1/en
Priority to UY31154A priority patent/UY31154A1/en
Priority to PCT/FI2008/000069 priority patent/WO2008152188A2/en
Priority to CL2008001757A priority patent/CL2008001757A1/en
Publication of FI20080145A publication Critical patent/FI20080145A/en
Publication of FI122246B publication Critical patent/FI122246B/en
Application granted granted Critical

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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • 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
    • 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
    • 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
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • 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
    • D21C11/10—Concentrating spent liquor by evaporation
FI20080145A 2007-06-15 2008-02-22 Procedure for treating pulp at a pulp mill FI122246B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI20080145A FI122246B (en) 2007-06-15 2008-02-22 Procedure for treating pulp at a pulp mill
FI20080298A FI20080298L (en) 2007-06-15 2008-04-21 Procedure for the treatment and use of liquid streams in a pulp mill
BRPI0813910-5A BRPI0813910B1 (en) 2007-06-15 2008-06-12 METHOD FOR TREATING AND USING LIQUID FLOWS IN A CHEMICAL PULP FACTORY
US12/664,719 US8632657B2 (en) 2007-06-15 2008-06-12 Method for treating liquid flows at a chemical pulp mill
CN200880020326.3A CN101680174B (en) 2007-06-15 2008-06-12 Method for treating liquid flows at a chemical pulp mill
PCT/FI2008/000065 WO2008152186A2 (en) 2007-06-15 2008-06-12 Method for treating liquid flows at a chemical pulp mill
UY31154A UY31154A1 (en) 2007-06-15 2008-06-13 METHOD TO TREAT AND USE LIQUID FLOWS IN A PULP FACTORY
PCT/FI2008/000069 WO2008152188A2 (en) 2007-06-15 2008-06-13 Method for treating pulp at a chemical pulp mill
CL2008001757A CL2008001757A1 (en) 2007-06-15 2008-06-13 Method for treating liquid flow in pulp mill comprising alkaline digestion, washing of brown pulp, ecf bleaching, waste water entering the purification plant, where the different types of waste water are purified in separate treatment lines so that the Purified water can be reintroduced to the process.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI20070477A FI122812B (en) 2007-06-15 2007-06-15 A method for treating fluid flows at a pulp mill
FI20070477 2007-06-15
FI20080145A FI122246B (en) 2007-06-15 2008-02-22 Procedure for treating pulp at a pulp mill
FI20080145 2008-02-22

Publications (3)

Publication Number Publication Date
FI20080145A0 true FI20080145A0 (en) 2008-02-22
FI20080145A FI20080145A (en) 2008-12-16
FI122246B FI122246B (en) 2011-10-31

Family

ID=39148925

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20080145A FI122246B (en) 2007-06-15 2008-02-22 Procedure for treating pulp at a pulp mill

Country Status (2)

Country Link
FI (1) FI122246B (en)
WO (1) WO2008152188A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127290B (en) * 2012-11-12 2018-03-15 Upm Kymmene Corp A method and system for treating fluid flows at a pulp mill
FI127601B (en) * 2014-04-03 2018-10-15 Andritz Oy Method for handling spent wash solution of a lignin-recovery process

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938892A (en) * 1991-01-28 1999-08-17 Champion International Corporation Process for recycling bleach plant filtrate
US5785810A (en) * 1991-08-21 1998-07-28 Salminen; Reijo K. Wood pulp processing apparatus and method
US5302246A (en) * 1992-07-30 1994-04-12 Kamyr, Inc. Method of managing liquid steams in a pulp mill
US5380402A (en) * 1992-07-30 1995-01-10 Kamyr, Inc. Reducing pulp mill liquid discharge
US5300191A (en) * 1992-07-30 1994-04-05 Kamyr, Inc. Chlorine dioxide generation for a zero discharge pulp mill
SE470538C (en) * 1992-12-02 1996-01-11 Kvaerner Pulping Tech When bleaching pulp, use no chlorine-containing chemicals
SE9400016L (en) * 1994-01-04 1995-07-05 Nils Mannbro Recycling process for bleaching of pulp
US6210527B1 (en) * 1994-03-14 2001-04-03 The Boc Group, Inc. Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
US6569284B1 (en) * 1996-09-24 2003-05-27 International Paper Company Elemental-chlorine-free bleaching process having an initial Eo or Eop stage
WO2003104547A1 (en) 2002-06-07 2003-12-18 Andritz Oy System for producing energy at a pulp mill
CN101163833B (en) 2005-04-22 2010-12-15 安德里兹公司 Apparatus and method for producing energy at a pulp mill
US10787708B2 (en) 2017-07-12 2020-09-29 Macau University Of Science And Technology Method of identifying a gene associated with a disease or pathological condition of the disease

Also Published As

Publication number Publication date
WO2008152188A3 (en) 2009-03-05
FI20080145A (en) 2008-12-16
FI122246B (en) 2011-10-31
WO2008152188A2 (en) 2008-12-18

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