[go: up one dir, main page]

FI128111B - Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik - Google Patents

Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik Download PDF

Info

Publication number
FI128111B
FI128111B FI20126177A FI20126177A FI128111B FI 128111 B FI128111 B FI 128111B FI 20126177 A FI20126177 A FI 20126177A FI 20126177 A FI20126177 A FI 20126177A FI 128111 B FI128111 B FI 128111B
Authority
FI
Finland
Prior art keywords
bleaching
unit
stage
acidification
phosphorus
Prior art date
Application number
FI20126177A
Other languages
English (en)
Finnish (fi)
Other versions
FI20126177A (sv
Inventor
Lorena Echevarria
Marcos Battegazzore
Original Assignee
Upm Kymmene Corp
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 Upm Kymmene Corp filed Critical Upm Kymmene Corp
Priority to FI20126177A priority Critical patent/FI128111B/sv
Priority to BR112015010402-9A priority patent/BR112015010402B1/pt
Priority to PCT/FI2013/051056 priority patent/WO2014072584A1/en
Priority to SE1550598A priority patent/SE540757C2/sv
Priority to UY0001035127A priority patent/UY35127A/es
Publication of FI20126177A publication Critical patent/FI20126177A/sv
Priority to CL2015001236A priority patent/CL2015001236A1/es
Application granted granted Critical
Publication of FI128111B publication Critical patent/FI128111B/sv

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
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/65—Acid compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/045—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides in presence of O2 or O3
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FI20126177A 2012-11-09 2012-11-09 Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik FI128111B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20126177A FI128111B (sv) 2012-11-09 2012-11-09 Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik
BR112015010402-9A BR112015010402B1 (pt) 2012-11-09 2013-11-07 Método e sistema para tratar fluxos de líquido em uma fábrica de celulose química
PCT/FI2013/051056 WO2014072584A1 (en) 2012-11-09 2013-11-07 A method and a system for treating liquid flows at a chemical pulp mill
SE1550598A SE540757C2 (sv) 2012-11-09 2013-11-07 A method for treating liquid flows to minimize the amount ofphosphorus at a chemical pulp mill
UY0001035127A UY35127A (es) 2012-11-09 2013-11-07 Método y sistema para tratar flujos de líquidos en fábricas de pulpa química
CL2015001236A CL2015001236A1 (es) 2012-11-09 2015-05-08 Un método y sistema para tratar flujos de líquidos en una planta de celulosa química.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20126177A FI128111B (sv) 2012-11-09 2012-11-09 Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik

Publications (2)

Publication Number Publication Date
FI20126177A FI20126177A (sv) 2014-05-10
FI128111B true FI128111B (sv) 2019-10-15

Family

ID=49619962

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20126177A FI128111B (sv) 2012-11-09 2012-11-09 Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik

Country Status (6)

Country Link
BR (1) BR112015010402B1 (sv)
CL (1) CL2015001236A1 (sv)
FI (1) FI128111B (sv)
SE (1) SE540757C2 (sv)
UY (1) UY35127A (sv)
WO (1) WO2014072584A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127900B (sv) * 2014-05-27 2019-05-15 Upm Kymmene Corp Förfarande för att minska fosforbelastning i avfallsvatten från en massaproduktionsprocess
CN104404807A (zh) * 2014-09-23 2015-03-11 广西大学 一种减少蔗渣浆二氧化氯漂白过程aox形成量的方法
FI130747B1 (sv) * 2019-02-01 2024-02-26 Metsae Fibre Oy Fällning av organiska föroreningar från vattenvätskor

Family Cites Families (2)

* 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
FI126551B (sv) * 2009-11-25 2017-02-15 Andritz Oy Förfarande för behandling av vätskeströmmar i en cellulosafabrik

Also Published As

Publication number Publication date
UY35127A (es) 2014-06-30
FI20126177A (sv) 2014-05-10
BR112015010402B1 (pt) 2021-11-16
SE540757C2 (sv) 2018-10-30
CL2015001236A1 (es) 2016-06-10
SE1550598A1 (sv) 2015-05-08
WO2014072584A1 (en) 2014-05-15
BR112015010402A2 (pt) 2017-07-11

Similar Documents

Publication Publication Date Title
US8632656B2 (en) Method for treating liquid flows at a chemical pulp mill
JP5191536B2 (ja) 化学パルプ工場におけるパルプの洗浄に関する方法
FI129114B (sv) Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik
FI128111B (sv) Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik
JP2014508866A (ja) 高カッパー価に蒸解された化学パルプの酸素脱リグニン後の濾過液を処理するための方法及び設備
FI127290B (sv) Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik
FI128900B (sv) Förfarande för behandling av vätskeströmmar i en cellulosafabrik och användning av processvatten med låg kloridhalt i en cellulosafabrik
CA3093032A1 (en) Method of producing dissolving pulp
AU2010323001B2 (en) Method of treating liquid flows at a chemical pulp mill
EP3717693A1 (en) Method and a system for washing paper pulp
US20100175839A1 (en) Process for adjusting the ph of a cellulosic pulp, production of pulp or paper from cellulosic pulp and use of (bi)carbonate removal for reducing the consumption of acid
AU2008202566A1 (en) Processes and Systems for the Bleaching of Lignocellulosic Pulps Following Cooking with Soda and Anthraquinone
FI126563B (sv) Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik
WO2000043589A1 (en) Treatment of recirculated filtrates in pulp production
FI123299B (sv) Förfarande och arrangemang för tvättning av massa i samband med blekning
CA2171595A1 (en) Use of acid-stage filtrate in cooking liquor preparation
SE523084E (sv) Sätt att kontinuerligt framställa massa och att öka slutningsgraden i ett blekeri

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 128111

Country of ref document: FI

Kind code of ref document: B