FI950146A0 - Förfarande för tillvaratagning av kemikalier - Google Patents

Förfarande för tillvaratagning av kemikalier

Info

Publication number
FI950146A0
FI950146A0 FI950146A FI950146A FI950146A0 FI 950146 A0 FI950146 A0 FI 950146A0 FI 950146 A FI950146 A FI 950146A FI 950146 A FI950146 A FI 950146A FI 950146 A0 FI950146 A0 FI 950146A0
Authority
FI
Finland
Prior art keywords
mill
liquid effluents
produced
pulp
caustic
Prior art date
Application number
FI950146A
Other languages
English (en)
Finnish (fi)
Other versions
FI950146A (sv
Inventor
Tuomo Nykaenen
Brian Greenwood
Joseph Phillips
Erkki Kiiskilae
Esko Mattelmaeki
Jarmo Soederman
Johan Gullichsen
Jan Richardsen
Rolf Ryham
Karl Wiklund
Original Assignee
Kamyr Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25446903&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI950146(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kamyr Inc filed Critical Kamyr Inc
Publication of FI950146A0 publication Critical patent/FI950146A0/sv
Publication of FI950146A publication Critical patent/FI950146A/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)
    • 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

  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Polarising Elements (AREA)
  • Crushing And Grinding (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • External Artificial Organs (AREA)
  • Catching Or Destruction (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI950146A 1992-07-30 1995-01-12 Förfarande för tillvaratagning av kemikalier FI950146A (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/922,334 US5374333A (en) 1992-07-30 1992-07-30 Method for minimizing pulp mill effluents
PCT/US1993/003322 WO1994003673A1 (en) 1992-07-30 1993-04-12 Zero discharge pulp mill

Publications (2)

Publication Number Publication Date
FI950146A0 true FI950146A0 (sv) 1995-01-12
FI950146A FI950146A (sv) 1995-01-12

Family

ID=25446903

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950146A FI950146A (sv) 1992-07-30 1995-01-12 Förfarande för tillvaratagning av kemikalier

Country Status (12)

Country Link
US (2) US5374333A (sv)
EP (1) EP0652991B2 (sv)
JP (1) JPH07509284A (sv)
AT (1) ATE141353T1 (sv)
AU (1) AU666204B2 (sv)
BR (1) BR9306797A (sv)
CA (1) CA2139842A1 (sv)
DE (1) DE69304072T3 (sv)
FI (1) FI950146A (sv)
MX (1) MX9303936A (sv)
WO (1) WO1994003673A1 (sv)
ZA (1) ZA934697B (sv)

Families Citing this family (22)

* 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
US5853535A (en) * 1991-01-28 1998-12-29 Champion International Corporation Process for manufacturing bleached pulp including recycling
US5549788A (en) * 1992-07-30 1996-08-27 A. Ahlstrom Corporation Minimal effluents discharge pulp mill with chemical recovery
SE470538C (sv) * 1992-12-02 1996-02-26 Kvaerner Pulping Tech Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
SE501613C2 (sv) * 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa
US5628872A (en) * 1993-10-22 1997-05-13 Kanyr Ab Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor
US5670020A (en) * 1995-06-01 1997-09-23 International Paper Company Foam separation method for reducing AOX, COD, and color bodies of kraft pulp bleach plant effluents
US5589053A (en) * 1995-11-03 1996-12-31 Huron Tech Incorporated Electrolysis process for removal of caustic in hemicellulose caustic
US5667668A (en) * 1996-07-12 1997-09-16 Huron Tech Corp Electrolysis process for removal of caustic in hemicellulose caustic
CA2422850C (en) * 1999-09-22 2009-03-03 Advanced Renal Technologies High citrate dialysate and uses thereof
CN100595375C (zh) * 2003-09-08 2010-03-24 艾伯塔研究委员会公司 非木本植物材料的化学机械脱硅
US20070000628A1 (en) * 2005-06-30 2007-01-04 Sealey James E Ii Method for removal of metals from a bleach plant filtrate stream
BRPI0810459A2 (pt) * 2007-04-23 2014-10-14 Andritz Oy Método para queimar licores que contêm cloro em uma caldeira de recuperação química em uma fábrica de polpa
FI122812B (sv) * 2007-06-15 2012-07-13 Andritz Oy Förfarande för behandling av vätskeströmmar i en cellulosafabrik
FI122241B (sv) * 2007-06-15 2011-10-31 Andritz Oy Förfarande i samband med massatvättning på en massafabrik
FI20080298L (sv) * 2007-06-15 2009-10-22 Andritz Oy Förfarande för behandling och användning av vätskeströmmar i en cellulosafabrik
CA2707024C (en) 2007-12-26 2013-04-09 Fpinnovations Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production
US8048311B2 (en) * 2009-01-06 2011-11-01 General Electric Company Methods and systems for zero discharge water treatment
US8246779B2 (en) * 2009-09-24 2012-08-21 Noram Engineering And Constructors Ltd. Maintenance of sulfur concentration in Kraft pulp processes
FI126563B (sv) * 2012-03-12 2017-02-15 Upm Kymmene Corp Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik
FI126767B (sv) * 2012-11-16 2017-05-15 Andritz Oy Förfarande för utlutning av aska från tillvaratagningspanna
JP6417963B2 (ja) * 2015-01-23 2018-11-07 王子ホールディングス株式会社 回収ボイラ捕集灰の処理方法及び処理装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746612A (en) * 1969-12-30 1973-07-17 Erco Envirotech Ltd Removal of sodium chloride from white pulping liquor
US3762989A (en) * 1971-07-30 1973-10-02 St Regis Paper Co Pyrolysis of spent pulping liquors
JPS5510716B2 (sv) * 1971-11-02 1980-03-18
ZA761255B (en) * 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
US4135968A (en) * 1976-04-09 1979-01-23 Weyerhaeuser Company Spent liquor treatment
US4420318A (en) * 1981-10-28 1983-12-13 Cheng Chen Yen Vacuum freezing process with multiple phase transformations of low pressure vapor
US4505728A (en) * 1981-10-28 1985-03-19 Cheng Chen Yen Vacuum freezing multiple phase transformation process and apparatus for use therein
FI77064C (sv) * 1985-04-29 1989-01-10 Tampella Oy Ab Förfarande för kokning och blekning av cellulosa
US4654064A (en) * 1986-01-31 1987-03-31 Cheng Chen Yen Primary refrigerant eutectic freezing process [PREUF Process]
FI893844A (fi) * 1988-08-23 1990-02-24 Sappi Ltd Eliminering av blekningsavloppsvaetskor.
US5034164A (en) * 1989-10-02 1991-07-23 Semmens Michael J Bubbleless gas transfer device and process
AT395028B (de) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
US5174859A (en) * 1990-04-11 1992-12-29 Hpd Incorporated Method for treating mechanical pulp plant effluent
FI85293C (sv) * 1990-05-04 1992-03-25 Poeyry Jaakko & Co Oy Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten
US5328564A (en) * 1990-09-17 1994-07-12 Kamyr, Inc. Modified digestion of paper pulp followed by ozone bleaching
US5382322A (en) * 1991-10-18 1995-01-17 Air Products And Chemicals, Inc. Selective white liquor oxidation
US5284550A (en) * 1992-06-18 1994-02-08 Combustion Engineering, Inc. Black liquier gasification process operating at low pressures using a circulating fluidized bed

Also Published As

Publication number Publication date
DE69304072D1 (de) 1996-09-19
EP0652991A1 (en) 1995-05-17
ZA934697B (en) 1994-01-24
FI950146A (sv) 1995-01-12
CA2139842A1 (en) 1994-02-17
EP0652991B1 (en) 1996-08-14
US5374333A (en) 1994-12-20
JPH07509284A (ja) 1995-10-12
AU666204B2 (en) 1996-02-01
DE69304072T3 (de) 2000-02-03
US5547543A (en) 1996-08-20
EP0652991B2 (en) 1999-09-22
BR9306797A (pt) 1998-12-08
AU4281293A (en) 1994-03-03
ATE141353T1 (de) 1996-08-15
MX9303936A (es) 1994-01-31
WO1994003673A1 (en) 1994-02-17
DE69304072T2 (de) 1997-10-02

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