[go: up one dir, main page]

FI950882L - Menetelmä prosessiveden käsittelemiseksi - Google Patents

Menetelmä prosessiveden käsittelemiseksi Download PDF

Info

Publication number
FI950882L
FI950882L FI950882A FI950882A FI950882L FI 950882 L FI950882 L FI 950882L FI 950882 A FI950882 A FI 950882A FI 950882 A FI950882 A FI 950882A FI 950882 L FI950882 L FI 950882L
Authority
FI
Finland
Prior art keywords
process water
treating process
treating
water
Prior art date
Application number
FI950882A
Other languages
English (en)
Swedish (sv)
Other versions
FI950882A0 (fi
FI950882A7 (fi
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
Publication of FI950882A0 publication Critical patent/FI950882A0/fi
Publication of FI950882L publication Critical patent/FI950882L/fi
Publication of FI950882A7 publication Critical patent/FI950882A7/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/008Control or steering systems not provided for elsewhere in subclass C02F
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028Effluents derived from the washing or bleaching plants
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/16Bleaching ; Apparatus therefor with per compounds
    • D21C9/163Bleaching ; Apparatus therefor with per compounds with peroxides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28Nature 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00Paper making and fiber liberation
    • Y10S162/08Chlorine-containing liquid regeneration

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
FI950882A 1992-08-28 1993-08-11 Menetelmä prosessiveden käsittelemiseksi FI950882A7 (fi)

Applications Claiming Priority (3)

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
PCT/SE1993/000660 WO1994005850A1 (en) 1992-08-28 1993-08-11 Method of treating process water

Publications (3)

Publication Number Publication Date
FI950882A0 FI950882A0 (fi) 1995-02-27
FI950882L true FI950882L (fi) 1995-02-27
FI950882A7 FI950882A7 (fi) 1995-02-27

Family

ID=26661508

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950882A FI950882A7 (fi) 1992-08-28 1993-08-11 Menetelmä prosessiveden käsittelemiseksi

Country Status (14)

Country Link
US (1) US5741398A (fi)
EP (1) EP0656966B1 (fi)
JP (1) JPH08500645A (fi)
CN (1) CN1089578A (fi)
AT (1) ATE151825T1 (fi)
AU (1) AU665461B2 (fi)
BR (1) BR9306963A (fi)
CA (1) CA2139566A1 (fi)
DE (1) DE69309938T2 (fi)
ES (1) ES2100563T3 (fi)
FI (1) FI950882A7 (fi)
NZ (1) NZ255613A (fi)
SE (1) SE9301160L (fi)
WO (1) WO1994005850A1 (fi)

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
BR9711743A (pt) * 1996-09-11 1999-08-24 Solvay Interox Processo de deslignifica-Æo e de branqueamento de pasta de papel qu¡mica
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
ATE151825T1 (de) 1997-05-15
FI950882A0 (fi) 1995-02-27
NZ255613A (en) 1995-10-26
AU665461B2 (en) 1996-01-04
EP0656966B1 (en) 1997-04-16
AU4987993A (en) 1994-03-29
EP0656966A1 (en) 1995-06-14
SE9301160D0 (sv) 1993-04-07
US5741398A (en) 1998-04-21
DE69309938T2 (de) 1997-11-06
JPH08500645A (ja) 1996-01-23
FI950882A7 (fi) 1995-02-27
BR9306963A (pt) 1999-01-12
CN1089578A (zh) 1994-07-20
CA2139566A1 (en) 1994-03-17
WO1994005850A1 (en) 1994-03-17
ES2100563T3 (es) 1997-06-16
SE9301160L (sv) 1994-03-01
DE69309938D1 (de) 1997-05-22

Similar Documents

Publication Publication Date Title
FI935922A7 (fi) Menetelmä jäteveden käsittelemiseksi
FI943555A7 (fi) Menetelmä viemärivesien käsittelemiseksi
FI921092A7 (fi) Menetelmä neurodegeneratiivisten tilojen hoitamiseksi
GB2267508B (en) Water treatment method
DE69302420D1 (de) Verfahren zum Fotoformen
FI954119A7 (fi) Menetelmä kiinteän jätteen käsittelemiseksi
GB8829830D0 (en) Method for treating water
DE59601109D1 (de) Verfahren zum behandeln von hausmüll
FI944236L (fi) Migreenin hoitomenetelmä
FI950882L (fi) Menetelmä prosessiveden käsittelemiseksi
NO306262B1 (no) FremgangsmÕte for hydrogenbehandling
FI923545A7 (fi) Menetelmä veden puhdistamiseksi
FI973173L (fi) Menetelmä kondensaatin käsittelemiseksi
FI954766A7 (fi) Prosessiveden käsittelymenetelmä
BR9205496A (pt) Metodo de tratamento de diarreia
GB9501400D0 (en) Method for treating water
FI902984A7 (fi) Vedenkäsittelymenetelmä
FI961888A7 (fi) Menetelmä massanvalmistuksen prosessiveden puhdistamiseksi
FI932342A7 (fi) Menetelmä veden poistamiseksi lietteestä
FI956093L (fi) Prosessi ja laite veden käsittelemiseksi biologisesti
FI893062A7 (fi) Menetelmä vesien käsittelemiseksi
NO950752L (no) Fremgangsmåte for behandling av prosessvann
NO980588D0 (no) Fremgangsmåte for behandling av vann
ZA935691B (en) Method of treating process water.
GB2322368B (en) Method for treating contaminated water