PT2753750T - Processo para tratar licor negro de folhosa e licor negro de folhosa tratado de acordo com o processo - Google Patents

Processo para tratar licor negro de folhosa e licor negro de folhosa tratado de acordo com o processo

Info

Publication number
PT2753750T
PT2753750T PT12830388T PT12830388T PT2753750T PT 2753750 T PT2753750 T PT 2753750T PT 12830388 T PT12830388 T PT 12830388T PT 12830388 T PT12830388 T PT 12830388T PT 2753750 T PT2753750 T PT 2753750T
Authority
PT
Portugal
Prior art keywords
black liquor
hardwood black
treated according
treating
hardwood
Prior art date
Application number
PT12830388T
Other languages
English (en)
Portuguese (pt)
Inventor
Näsman Mats
Björk Maria
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Publication of PT2753750T publication Critical patent/PT2753750T/pt

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
    • D21C11/10—Concentrating spent liquor by evaporation
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
    • 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
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
PT12830388T 2011-09-05 2012-08-28 Processo para tratar licor negro de folhosa e licor negro de folhosa tratado de acordo com o processo PT2753750T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1150800 2011-09-05

Publications (1)

Publication Number Publication Date
PT2753750T true PT2753750T (pt) 2019-06-06

Family

ID=47832440

Family Applications (1)

Application Number Title Priority Date Filing Date
PT12830388T PT2753750T (pt) 2011-09-05 2012-08-28 Processo para tratar licor negro de folhosa e licor negro de folhosa tratado de acordo com o processo

Country Status (6)

Country Link
EP (1) EP2753750B1 (de)
CN (2) CN103842582A (de)
BR (1) BR112014005055B1 (de)
ES (1) ES2729110T3 (de)
PT (1) PT2753750T (de)
WO (1) WO2013036190A1 (de)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063177A (en) * 1934-08-02 1936-12-08 Ralph H Mckee Recovery of organic constituents from black liquor
US3951753A (en) * 1969-06-03 1976-04-20 Roller Paul S Method and apparatus for the conversion of an aqueous scale-formed liquid
IN154386B (de) * 1979-12-10 1984-10-20 Dorr Oliver Inc
CN85106333A (zh) * 1985-08-19 1987-02-18 张沐恩 造纸黑液中碱和木质素的聚沉分离法
CA1299322C (en) * 1987-10-26 1992-04-28 Larry A. Wilhelmsen Apparatus and methods for reducing the formation of scale in pulping operations
CA2229973C (en) * 1997-02-21 2002-08-13 Ahlstrom Machinery Oy Method of inhibiting scaling in black liquor evaporators
SE509444C2 (sv) * 1997-05-14 1999-01-25 Mo Och Domsjoe Ab Förfarande för minimering av kalcium orsakat inkrustproblem vid framställning av blekt cellulosamassa
FI972954A (fi) * 1997-07-11 1999-01-12 Sunds Defibrator Pori Oy Menetelmä sulfaattimassan valmistuksessa syntyvän jätelipeän käsittelemiseksi
SE9803384L (sv) * 1998-03-02 1999-09-03 Kemira Kemi Ab Förfarande för behandling av processvatten
FI981803A (fi) * 1998-08-21 2000-02-22 Ahlstrom Machinery Oy Menetelmä saostumien muodostumisen estämiseksi
GB0325578D0 (en) * 2003-11-03 2003-12-03 Bioregional Minimills Uk Ltd Method for treating black liquor
US7985318B2 (en) * 2007-05-10 2011-07-26 Nalco Company Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators

Also Published As

Publication number Publication date
EP2753750A4 (de) 2015-04-22
BR112014005055A2 (pt) 2017-03-28
CN107503213A (zh) 2017-12-22
ES2729110T3 (es) 2019-10-30
EP2753750B1 (de) 2019-03-06
CN103842582A (zh) 2014-06-04
WO2013036190A1 (en) 2013-03-14
BR112014005055B1 (pt) 2021-01-12
EP2753750A1 (de) 2014-07-16

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