SE9301160L - Förfarande för behandling av processvatten - Google Patents

Förfarande för behandling av processvatten

Info

Publication number
SE9301160L
SE9301160L SE9301160A SE9301160A SE9301160L SE 9301160 L SE9301160 L SE 9301160L SE 9301160 A SE9301160 A SE 9301160A SE 9301160 A SE9301160 A SE 9301160A SE 9301160 L SE9301160 L SE 9301160L
Authority
SE
Sweden
Prior art keywords
process water
treating
metal ions
water
pulp
Prior art date
Application number
SE9301160A
Other languages
English (en)
Swedish (sv)
Other versions
SE9301160D0 (sv
Inventor
Ulf Germgaard
Solveig Norden
Original Assignee
Sunds Defibrator Ind 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
Priority claimed from SE9202464A external-priority patent/SE500052C2/sv
Application filed by Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Priority to SE9301160A priority Critical patent/SE9301160L/xx
Publication of SE9301160D0 publication Critical patent/SE9301160D0/xx
Priority to BR9306963A priority patent/BR9306963A/pt
Priority to EP93919744A priority patent/EP0656966B1/en
Priority to AT93919744T priority patent/ATE151825T1/de
Priority to JP6507102A priority patent/JPH08500645A/ja
Priority to ES93919744T priority patent/ES2100563T3/es
Priority to PCT/SE1993/000660 priority patent/WO1994005850A1/en
Priority to NZ255613A priority patent/NZ255613A/en
Priority to DE69309938T priority patent/DE69309938T2/de
Priority to CA002139566A priority patent/CA2139566A1/en
Priority to AU49879/93A priority patent/AU665461B2/en
Priority to CN93116508A priority patent/CN1089578A/zh
Publication of SE9301160L publication Critical patent/SE9301160L/xx
Priority to NO950752A priority patent/NO301724B1/no
Priority to FI950882A priority patent/FI950882A0/fi
Priority to US08/779,255 priority patent/US5741398A/en

Links

Classifications

    • 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
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • 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
    • D21C9/1026—Other features in bleaching 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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Physical Water Treatments (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
SE9301160A 1992-08-28 1993-04-07 Förfarande för behandling av processvatten SE9301160L (sv)

Priority Applications (15)

Application Number Priority Date Filing Date Title
SE9301160A SE9301160L (sv) 1992-08-28 1993-04-07 Förfarande för behandling av processvatten
CA002139566A CA2139566A1 (en) 1992-08-28 1993-08-11 Method of treating process water
AU49879/93A AU665461B2 (en) 1992-08-28 1993-08-11 Method of treating process water
ES93919744T ES2100563T3 (es) 1992-08-28 1993-08-11 Metodo de tratar aguas residuales de la industria papelera.
DE69309938T DE69309938T2 (de) 1992-08-28 1993-08-11 Methode zum behandeln von abwässern
AT93919744T ATE151825T1 (de) 1992-08-28 1993-08-11 Methode zum behandeln von abwässern
JP6507102A JPH08500645A (ja) 1992-08-28 1993-08-11 プロセス水処理方法
BR9306963A BR9306963A (pt) 1992-08-28 1993-08-11 Método de tratamento de água de processo
PCT/SE1993/000660 WO1994005850A1 (en) 1992-08-28 1993-08-11 Method of treating process water
NZ255613A NZ255613A (en) 1992-08-28 1993-08-11 Treating process water to remove metal ions; contacting with lignocellulose pulp which is not to be bleached
EP93919744A EP0656966B1 (en) 1992-08-28 1993-08-11 Method of treating process water
CN93116508A CN1089578A (zh) 1992-08-28 1993-08-19 处理生产用水的方法
FI950882A FI950882A0 (fi) 1992-08-28 1995-02-27 Menetelmä prosessiveden käsittelemiseksi
NO950752A NO301724B1 (no) 1992-08-28 1995-02-27 Fremgangsmåte for behandling av prosessvann
US08/779,255 US5741398A (en) 1992-08-28 1997-01-03 Method of removing metal ions dissolved in the bleach plant waste water

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9202464A SE500052C2 (sv) 1992-08-28 1992-08-28 Behandling av processvatten från blekning av massa innehållande metalljoner
SE9301160A SE9301160L (sv) 1992-08-28 1993-04-07 Förfarande för behandling av processvatten

Publications (2)

Publication Number Publication Date
SE9301160D0 SE9301160D0 (sv) 1993-04-07
SE9301160L true SE9301160L (sv) 1994-03-01

Family

ID=26661508

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301160A SE9301160L (sv) 1992-08-28 1993-04-07 Förfarande för behandling av processvatten

Country Status (14)

Country Link
US (1) US5741398A (xx)
EP (1) EP0656966B1 (xx)
JP (1) JPH08500645A (xx)
CN (1) CN1089578A (xx)
AT (1) ATE151825T1 (xx)
AU (1) AU665461B2 (xx)
BR (1) BR9306963A (xx)
CA (1) CA2139566A1 (xx)
DE (1) DE69309938T2 (xx)
ES (1) ES2100563T3 (xx)
FI (1) FI950882A0 (xx)
NZ (1) NZ255613A (xx)
SE (1) SE9301160L (xx)
WO (1) WO1994005850A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500113C2 (sv) 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
SE501985C2 (sv) * 1993-11-05 1995-07-03 Sunds Defibrator Ind Ab Förfarande för avskiljning av metalljoner från massa i samband med blekning av massan
SE504789C2 (sv) * 1994-02-21 1997-04-28 Kemira Kemi Ab Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien
SE9503004L (sv) * 1995-08-30 1997-03-01 Sunds Defibrator Ind Ab Blekning av massa
AT402827B (de) * 1995-12-22 1997-09-25 Chemiefaser Lenzing Ag Celluloseformkörper und verfahren zu seiner herstellung
JP2001503109A (ja) * 1996-09-11 2001-03-06 ソルヴェイ アンテロックス パルプの漂白方法
US6228215B1 (en) * 1998-04-06 2001-05-08 Hoffman Enviornmental Systems, Inc. Method for countercurrent treatment of slurries
CN106192517B (zh) * 2016-07-08 2018-01-16 华南理工大学 一种减少氧脱木素过程中草酸根形成的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE466061B (sv) * 1990-04-23 1991-12-09 Eka Nobel Ab Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
US5352332A (en) * 1991-01-28 1994-10-04 Maples Gerald E Process for recycling bleach plant filtrate
SE500783C2 (sv) * 1992-05-05 1994-09-05 Eka Nobel Ab Sätt att rena vedhartsinnehållande process- eller avloppsvatten
SE500113C2 (sv) * 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
US5401362A (en) * 1993-03-24 1995-03-28 Kamyr, Inc. Control of metals and dissolved organics in the bleach plant
SE9301161L (sv) * 1993-04-07 1994-10-08 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
US5554259A (en) * 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration

Also Published As

Publication number Publication date
NZ255613A (en) 1995-10-26
DE69309938D1 (de) 1997-05-22
FI950882A (fi) 1995-02-27
EP0656966B1 (en) 1997-04-16
SE9301160D0 (sv) 1993-04-07
ATE151825T1 (de) 1997-05-15
FI950882A0 (fi) 1995-02-27
US5741398A (en) 1998-04-21
BR9306963A (pt) 1999-01-12
CA2139566A1 (en) 1994-03-17
ES2100563T3 (es) 1997-06-16
JPH08500645A (ja) 1996-01-23
AU665461B2 (en) 1996-01-04
DE69309938T2 (de) 1997-11-06
WO1994005850A1 (en) 1994-03-17
EP0656966A1 (en) 1995-06-14
AU4987993A (en) 1994-03-29
CN1089578A (zh) 1994-07-20

Similar Documents

Publication Publication Date Title
SE9503595D0 (sv) Method of treating cellulose pulps
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
SE9301160L (sv) Förfarande för behandling av processvatten
FI941764A0 (fi) Menetelmä lignoselluloosapitoisen massan valkaisemiseksi
FI881544A0 (fi) Menetelmä mekaanisen massan valmistamiseksi
SE9001481L (sv) Reduktion av halogenorganiska foereningar i blekeriavlopp
ES2038954A6 (es) Metodo para blanquear pasta de papel.
ES8800340A1 (es) Procedimiento de obtencion de una solucion acuosa de lavado para blanquear materiales textiles en agua.
BR9406105A (pt) Método de tratamento de água de processo contendo íons metálicos relativo ao alvejamento de polpa de material contendo ligno-celulose
DE3461941D1 (en) Hypochlorite treatment of chemical paper pulps
NO302187B1 (no) Fremgangsmåte ved behandling av en cellulosemasse
SE9303066D0 (sv) Blekning av kemisk massa
NO975038L (no) Behandling av masse med chelateringsmiddel og påfölgende bleking ved en pH-verdi over 9
FI934705A0 (fi) Foerfarande foer blekning av lignocellulosahaltig massa
SE9300277L (sv) Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare
SE9202464L (sv) Behandling av processvatten från blekning av massa innehållande metalljoner
TH18059EX (th) วิธีการบำบัดน้ำจากกรรมวิธี
NO951464D0 (no) Fremgangsmåte til behandling av sulfittmasse för bleking med oksygenholdige kjemikalier
SE9603630D0 (sv) Förfarande för blekning av massa
FI944350A (fi) Menetelmä kemiallisen massan entsymaattiseksi käsittelemiseksi ennen valkaisua
TH18059A (th) วิธีการบำบัดน้ำจากกรรมวิธี
SE8902058D0 (sv) Foerfarande vid blekning av lignocellulosa- haltigt material
FI854148A0 (fi) Foerfarande foer behandling av pappersmassor foer blekning av desamma.

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9301160-9