CN1120358A - 处理生产用水的方法 - Google Patents

处理生产用水的方法 Download PDF

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Publication number
CN1120358A
CN1120358A CN94191676A CN94191676A CN1120358A CN 1120358 A CN1120358 A CN 1120358A CN 94191676 A CN94191676 A CN 94191676A CN 94191676 A CN94191676 A CN 94191676A CN 1120358 A CN1120358 A CN 1120358A
Authority
CN
China
Prior art keywords
metal ion
process water
industrial water
bleaching
paper pulp
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.)
Pending
Application number
CN94191676A
Other languages
English (en)
Chinese (zh)
Inventor
U·杰姆加德
S·努登
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.)
Valmet AB
Original Assignee
Sunds Defibrator Industries 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 Sunds Defibrator Industries AB filed Critical Sunds Defibrator Industries AB
Publication of CN1120358A publication Critical patent/CN1120358A/zh
Pending legal-status Critical Current

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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
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Removal Of Specific Substances (AREA)
  • Paper (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Physical Water Treatments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CN94191676A 1993-04-07 1994-02-17 处理生产用水的方法 Pending CN1120358A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9301161A SE9301161L (sv) 1993-04-07 1993-04-07 Förfarande för behandling av processvatten
SE9301161-7 1993-04-07

Publications (1)

Publication Number Publication Date
CN1120358A true CN1120358A (zh) 1996-04-10

Family

ID=20389509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94191676A Pending CN1120358A (zh) 1993-04-07 1994-02-17 处理生产用水的方法

Country Status (12)

Country Link
EP (1) EP0693144A1 (no)
JP (1) JPH08508546A (no)
CN (1) CN1120358A (no)
AU (1) AU672501B2 (no)
BR (1) BR9406105A (no)
CA (1) CA2160123A1 (no)
FI (1) FI954766A0 (no)
NO (1) NO953993D0 (no)
NZ (1) NZ263264A (no)
SE (1) SE9301161L (no)
WO (1) WO1994023122A1 (no)
ZA (1) ZA941235B (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871176A (zh) * 2009-04-21 2010-10-27 安德里兹有限公司 木质纤维素材料的绿液预处理工艺
CN103180506A (zh) * 2011-09-19 2013-06-26 北京沃特玛德环境技术股份有限公司 造纸工业碱回收固体废渣综合利用的方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9301160L (sv) * 1992-08-28 1994-03-01 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
SE504424C2 (sv) * 1994-11-04 1997-02-10 Kvaerner Pulping Tech Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska
US5792315A (en) * 1995-02-27 1998-08-11 Eka Chemicals Ab Purifying aqueous effluent from a pulp mill using electro chemical membrane device
SE9500732L (sv) * 1995-02-27 1996-08-28 Eka Chemicals Ab Förfarande för behandling av vätskor
SE9803384L (sv) * 1998-03-02 1999-09-03 Kemira Kemi Ab Förfarande för behandling av processvatten
SG188873A1 (en) * 2008-12-19 2013-04-30 Xyleco Inc Processing biomass

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684472A (en) * 1985-12-26 1987-08-04 Phillips Petroleum Company Precipitation of waste chromium compounds utilizing an aqueous sulfide solution
DE58902905D1 (de) * 1989-04-28 1993-01-14 Siemens Ag Verfahren zum entfernen von kupfer aus abwasser.
US5120448A (en) * 1990-09-19 1992-06-09 Dorica Josesph G Removal of aox frm bleach plant mill effluents by ph shift using the alkalinity/acidity sources available at the mill
EP0564443A1 (en) * 1992-03-15 1993-10-06 Kamyr, Inc. Treatment of bleach plant filtrates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871176A (zh) * 2009-04-21 2010-10-27 安德里兹有限公司 木质纤维素材料的绿液预处理工艺
CN103180506A (zh) * 2011-09-19 2013-06-26 北京沃特玛德环境技术股份有限公司 造纸工业碱回收固体废渣综合利用的方法

Also Published As

Publication number Publication date
FI954766A (fi) 1995-10-06
CA2160123A1 (en) 1994-10-13
JPH08508546A (ja) 1996-09-10
WO1994023122A1 (en) 1994-10-13
BR9406105A (pt) 1995-12-12
ZA941235B (en) 1994-09-20
EP0693144A1 (en) 1996-01-24
SE9301161L (sv) 1994-10-08
AU672501B2 (en) 1996-10-03
AU6387694A (en) 1994-10-24
SE9301161D0 (sv) 1993-04-07
FI954766A0 (fi) 1995-10-06
NZ263264A (en) 1996-08-27
NO953993L (no) 1995-10-06
NO953993D0 (no) 1995-10-06

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication