DE69404565D1 - Verfahren zur Verbesserung des Wirkungsgrads bei der Zellstoffwäsche - Google Patents

Verfahren zur Verbesserung des Wirkungsgrads bei der Zellstoffwäsche

Info

Publication number
DE69404565D1
DE69404565D1 DE69404565T DE69404565T DE69404565D1 DE 69404565 D1 DE69404565 D1 DE 69404565D1 DE 69404565 T DE69404565 T DE 69404565T DE 69404565 T DE69404565 T DE 69404565T DE 69404565 D1 DE69404565 D1 DE 69404565D1
Authority
DE
Germany
Prior art keywords
improving efficiency
pulp washing
pulp
washing
noso3m
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.)
Expired - Fee Related
Application number
DE69404565T
Other languages
English (en)
Other versions
DE69404565T2 (de
Inventor
Jacqueline Kay Pease
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.)
BetzDearborn Europe Inc
Original Assignee
BetzDearborn Europe Inc
Betz Europe 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
Application filed by BetzDearborn Europe Inc, Betz Europe Inc filed Critical BetzDearborn Europe Inc
Publication of DE69404565D1 publication Critical patent/DE69404565D1/de
Application granted granted Critical
Publication of DE69404565T2 publication Critical patent/DE69404565T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Compounds Of Unknown Constitution (AREA)
DE69404565T 1993-06-22 1994-05-16 Verfahren zur Verbesserung des Wirkungsgrads bei der Zellstoffwäsche Expired - Fee Related DE69404565T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/080,910 US5405498A (en) 1993-06-22 1993-06-22 Method for improving pulp washing efficiency

Publications (2)

Publication Number Publication Date
DE69404565D1 true DE69404565D1 (de) 1997-09-04
DE69404565T2 DE69404565T2 (de) 1998-01-08

Family

ID=22160434

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69404565T Expired - Fee Related DE69404565T2 (de) 1993-06-22 1994-05-16 Verfahren zur Verbesserung des Wirkungsgrads bei der Zellstoffwäsche

Country Status (7)

Country Link
US (1) US5405498A (de)
EP (1) EP0631010B1 (de)
AT (1) ATE156204T1 (de)
CA (1) CA2124500A1 (de)
DE (1) DE69404565T2 (de)
FI (1) FI942982A (de)
NO (1) NO301892B1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709521A1 (de) * 1994-10-26 1996-05-01 Betz Europe, Inc. Verfahren zur Erhöhung der Konsistenz von Zellstoff
US5919975A (en) * 1996-05-31 1999-07-06 Witco Corporation Aromatic and aliphatic sulfonates and properties and applications thereof
EP1265822B1 (de) 2000-03-14 2007-07-25 James Hardie International Finance B.V. Faserzementbaumaterialien mit zusatzstoffen niedriger dichte
MXPA03002711A (es) 2000-10-04 2003-07-28 James Hardie Res Pty Ltd Materiales del compuesto de cemento con fibras, usando fibras de celulosa cargadas con sustancias organicas y/o inorganicas.
CA2424377C (en) 2000-10-04 2013-07-09 Donald J. Merkley Fiber cement composite materials using sized cellulose fibers
US20050126430A1 (en) * 2000-10-17 2005-06-16 Lightner James E.Jr. Building materials with bioresistant properties
MXPA03003120A (es) 2000-10-17 2003-08-07 James Hardie Res Pty Ltd Materiales del compuesto de cemento con fibra, usando fibras de celulosa durables tratadas con biocida.
JP2004511675A (ja) * 2000-10-17 2004-04-15 ジェイムズ　ハーディー　リサーチ　ピーティーワイ．リミテッド 繊維強化セメント複合材料製造用のセルロース繊維中の不純物を減少させるための方法および装置
ES2284820T3 (es) * 2001-03-09 2007-11-16 James Hardie International Finance B.V. Materiales compuestos de cemento reforzado por fibras que utilizan fibras tratadas quimicamente con dispersabilidad mejorada.
US7018509B2 (en) * 2002-08-31 2006-03-28 International Paper Co. Elimination of alum yellowing of aspen thermomechanical pulp through pulp washing
MXPA05003691A (es) 2002-10-07 2005-11-17 James Hardie Int Finance Bv Material mixto de fibrocemento de densidad media durable.
NZ541250A (en) 2003-01-09 2008-09-26 James Hardie Int Finance Bv Fibre cement composite materials using bleached cellulose fibres
US20050152621A1 (en) * 2004-01-09 2005-07-14 Healy Paul T. Computer mounted file folder apparatus
US7220001B2 (en) * 2004-02-24 2007-05-22 Searete, Llc Defect correction based on “virtual” lenslets
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
US8993462B2 (en) 2006-04-12 2015-03-31 James Hardie Technology Limited Surface sealed reinforced building element
US8209927B2 (en) 2007-12-20 2012-07-03 James Hardie Technology Limited Structural fiber cement building materials
KR20160082540A (ko) 2013-11-08 2016-07-08 솔레니스 테크놀러지스, 엘.피. 초지기 배수제 및 지력 강화제를 위한 계면활성제 기반 브라운 스톡 세척 보조제 처리법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7601749L (sv) * 1975-02-18 1976-08-19 Hart Chemical Ltd Vattendispergerbar antiskumkomposition
US4297164A (en) * 1980-03-10 1981-10-27 Weyerhaeuser Company Process for displacement washing of porous media
US4444621A (en) * 1980-11-21 1984-04-24 Mo Och Domsjo Aktiebolag Process and apparatus for the deresination and brightness improvement of cellulose pulp
FR2550561B1 (fr) * 1983-08-08 1986-08-08 Interox Procede pour la regeneration des vieux papiers
US4810328A (en) * 1984-07-13 1989-03-07 Diamond Shamrock Chemicals Company Method of brown stock washing
CA1270354A (en) * 1984-11-01 1990-06-19 Daniel R. Dostie Method for improving brown stock washer efficiency
US4781251A (en) * 1987-12-02 1988-11-01 Texaco Inc. Recovering hydrocarbons with water soluble alkylphenol lignin surfactants
JPH05302284A (ja) * 1992-04-22 1993-11-16 New Oji Paper Co Ltd 未晒クラフトパルプの洗浄方法

Also Published As

Publication number Publication date
FI942982A (fi) 1994-12-23
NO301892B1 (no) 1997-12-22
CA2124500A1 (en) 1994-12-23
FI942982A0 (fi) 1994-06-21
NO942264D0 (no) 1994-06-16
DE69404565T2 (de) 1998-01-08
NO942264L (no) 1994-12-23
ATE156204T1 (de) 1997-08-15
EP0631010A1 (de) 1994-12-28
US5405498A (en) 1995-04-11
EP0631010B1 (de) 1997-07-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee