DE69601420D1 - Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehalt - Google Patents

Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehalt

Info

Publication number
DE69601420D1
DE69601420D1 DE69601420T DE69601420T DE69601420D1 DE 69601420 D1 DE69601420 D1 DE 69601420D1 DE 69601420 T DE69601420 T DE 69601420T DE 69601420 T DE69601420 T DE 69601420T DE 69601420 D1 DE69601420 D1 DE 69601420D1
Authority
DE
Germany
Prior art keywords
high solids
viscosity
black lye
reducing
black
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 - Lifetime
Application number
DE69601420T
Other languages
English (en)
Inventor
Mualla Berksoy
Yaman Boluk
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.)
Optima Specialty Chemicals & T
Original Assignee
Optima Specialty Chemicals & T
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 Optima Specialty Chemicals & T filed Critical Optima Specialty Chemicals & T
Application granted granted Critical
Publication of DE69601420D1 publication Critical patent/DE69601420D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/10—Concentrating spent liquor by evaporation
    • 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
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • 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
    • D21C11/12—Combustion of pulp liquors
    • 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
    • Y10S159/00—Concentrating evaporators
    • Y10S159/17—Two liquids
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Paper (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE69601420T 1995-03-21 1996-03-20 Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehalt Expired - Lifetime DE69601420D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/407,619 US5527427A (en) 1995-03-21 1995-03-21 High solids black liquor of reduced viscosity and viscosity reduction method for high solids black liquor
PCT/CA1996/000173 WO1996029466A1 (en) 1995-03-21 1996-03-20 High solids black liquor of reduced viscosity and viscosity reduction method for high solids black liquor

Publications (1)

Publication Number Publication Date
DE69601420D1 true DE69601420D1 (de) 1999-03-04

Family

ID=23612820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69601420T Expired - Lifetime DE69601420D1 (de) 1995-03-21 1996-03-20 Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehalt

Country Status (9)

Country Link
US (1) US5527427A (de)
EP (1) EP0815316B1 (de)
JP (1) JPH11502268A (de)
AT (1) ATE176017T1 (de)
AU (1) AU4935796A (de)
BR (1) BR9607987A (de)
CA (1) CA2210750A1 (de)
DE (1) DE69601420D1 (de)
WO (1) WO1996029466A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030070627A1 (en) * 2001-09-20 2003-04-17 Eugene Sullivan Direct contact evaporator replacement
US20070131363A1 (en) * 2005-10-24 2007-06-14 Andritz Inc. Fiberline systems, processes and methods
JP5934854B2 (ja) * 2012-07-23 2016-06-15 サンノプコ株式会社 減粘剤及びこれを用いた黒液濃縮方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787915A (en) * 1981-03-24 1988-11-29 Carbon Fuels Corporation Method of varying rheology characteristics of novel coal derived fuel system
JPS59228094A (ja) * 1983-06-09 1984-12-21 栗田工業株式会社 黒液の粘度低下剤
DE3509712A1 (de) * 1985-03-18 1986-10-02 Chemische Werke Zell-Wildshausen Gmbh Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonaten
US4734103A (en) * 1987-07-22 1988-03-29 Nalco Chemical Company Viscosity/drag reducing additive for high solids black liquor
US4776889A (en) * 1987-11-05 1988-10-11 Nalco Chemical Company Waxes as a black liquor viscosity modifier
GB2237751B (en) * 1989-11-03 1993-09-15 Ahlstroem Oy Method of decreasing black liquor viscosity
FI87092C (fi) * 1990-11-07 1992-11-25 Ahlstroem Oy Foerfarande foer behandling av svartlut

Also Published As

Publication number Publication date
AU4935796A (en) 1996-10-08
EP0815316A1 (de) 1998-01-07
ATE176017T1 (de) 1999-02-15
JPH11502268A (ja) 1999-02-23
EP0815316B1 (de) 1999-01-20
CA2210750A1 (en) 1996-09-26
WO1996029466A1 (en) 1996-09-26
BR9607987A (pt) 1999-03-30
US5527427A (en) 1996-06-18

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Legal Events

Date Code Title Description
8332 No legal effect for de