CA2225927A1 - Processus de recuperation dans une usine de pate - Google Patents

Processus de recuperation dans une usine de pate

Info

Publication number
CA2225927A1
CA2225927A1 CA002225927A CA2225927A CA2225927A1 CA 2225927 A1 CA2225927 A1 CA 2225927A1 CA 002225927 A CA002225927 A CA 002225927A CA 2225927 A CA2225927 A CA 2225927A CA 2225927 A1 CA2225927 A1 CA 2225927A1
Authority
CA
Canada
Prior art keywords
potassium
recovery boiler
spent liquor
recovery
chloride
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.)
Granted
Application number
CA002225927A
Other languages
English (en)
Other versions
CA2225927C (fr
Inventor
Roland Pudas
Magnus Linsten
Roy Hammer-Olsen
Bjorn Svedin
Ingrid Velander
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.)
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Eka Chemicals 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 Eka Chemicals AB filed Critical Eka Chemicals AB
Publication of CA2225927A1 publication Critical patent/CA2225927A1/fr
Application granted granted Critical
Publication of CA2225927C publication Critical patent/CA2225927C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods
    • D21C11/005—Treatment of liquors with ion-exchangers
    • 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
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products

Landscapes

  • Paper (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA002225927A 1997-01-03 1997-12-29 Processus de recuperation dans une usine de pate Expired - Fee Related CA2225927C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9700012-9 1997-01-03
SE9700012A SE9700012D0 (sv) 1997-01-03 1997-01-03 Recovery process in a pulp mill

Publications (2)

Publication Number Publication Date
CA2225927A1 true CA2225927A1 (fr) 1998-07-03
CA2225927C CA2225927C (fr) 2002-04-09

Family

ID=20405353

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002225927A Expired - Fee Related CA2225927C (fr) 1997-01-03 1997-12-29 Processus de recuperation dans une usine de pate

Country Status (7)

Country Link
EP (1) EP0852272B1 (fr)
AT (1) ATE215143T1 (fr)
CA (1) CA2225927C (fr)
DE (1) DE69711355T2 (fr)
ES (1) ES2171832T3 (fr)
PT (1) PT852272E (fr)
SE (1) SE9700012D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015010179A1 (fr) * 2013-07-25 2015-01-29 Noram Engineering And Constructors Ltd. Procédé de réduction de concentrations d'ions chlorure et potassium dans un système de récupération chimique de moulin à pâte

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537954C2 (sv) * 2014-12-17 2015-12-01 Aprotech Engineering Ab Process for production of a fertilizer comprising potassiumsulfate
FI129103B (fi) 2017-04-28 2021-07-15 Andritz Oy Menetelmä soodakattilan lentotuhkan käsittelemiseksi

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684672A (en) * 1969-08-07 1972-08-15 Mitsubishi Heavy Ind Ltd Process for paper manufacture
US5352332A (en) * 1991-01-28 1994-10-04 Maples Gerald E Process for recycling bleach plant filtrate
SE9202419D0 (sv) * 1992-08-24 1992-08-24 Eka Nobel Ab Reduction of chloride in pulping chemical recovery systems
SE9502583D0 (sv) * 1995-07-12 1995-07-12 Eka Chemicals Ab Leaching process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015010179A1 (fr) * 2013-07-25 2015-01-29 Noram Engineering And Constructors Ltd. Procédé de réduction de concentrations d'ions chlorure et potassium dans un système de récupération chimique de moulin à pâte

Also Published As

Publication number Publication date
CA2225927C (fr) 2002-04-09
EP0852272B1 (fr) 2002-03-27
DE69711355T2 (de) 2002-10-31
ES2171832T3 (es) 2002-09-16
PT852272E (pt) 2002-08-30
ATE215143T1 (de) 2002-04-15
EP0852272A1 (fr) 1998-07-08
SE9700012D0 (sv) 1997-01-03
DE69711355D1 (de) 2002-05-02

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20151229