ATE199751T1 - Verfahren zur abschliessenden eindampfung von schwarzlauge - Google Patents

Verfahren zur abschliessenden eindampfung von schwarzlauge

Info

Publication number
ATE199751T1
ATE199751T1 AT95934903T AT95934903T ATE199751T1 AT E199751 T1 ATE199751 T1 AT E199751T1 AT 95934903 T AT95934903 T AT 95934903T AT 95934903 T AT95934903 T AT 95934903T AT E199751 T1 ATE199751 T1 AT E199751T1
Authority
AT
Austria
Prior art keywords
evaporation
pct
appliances
steam
final evaporation
Prior art date
Application number
AT95934903T
Other languages
English (en)
Inventor
Lars Olausson
Olle Wennberg
Original Assignee
Kvaerner Pulping Tech
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=20395676&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE199751(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Application granted granted Critical
Publication of ATE199751T1 publication Critical patent/ATE199751T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • 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
    • 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
    • Y10S159/08—Multieffect or multistage
    • 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
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/16—Combination

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Light Receiving Elements (AREA)
  • Paper (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Compounds Of Unknown Constitution (AREA)
AT95934903T 1994-10-20 1995-09-05 Verfahren zur abschliessenden eindampfung von schwarzlauge ATE199751T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9403583A SE505603C2 (sv) 1994-10-20 1994-10-20 Metod att slutindunsta svartlut i flera steg där luten förs i serie genom stegen och primärånga tillförs varje steg
PCT/SE1995/000991 WO1996012848A1 (en) 1994-10-20 1995-09-05 Process for the final evaporation of black liquor

Publications (1)

Publication Number Publication Date
ATE199751T1 true ATE199751T1 (de) 2001-03-15

Family

ID=20395676

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95934903T ATE199751T1 (de) 1994-10-20 1995-09-05 Verfahren zur abschliessenden eindampfung von schwarzlauge

Country Status (11)

Country Link
US (1) US5944950A (de)
EP (1) EP0787232B1 (de)
AT (1) ATE199751T1 (de)
AU (1) AU3711895A (de)
BR (1) BR9509408A (de)
DE (1) DE69520366T2 (de)
ES (1) ES2157348T3 (de)
FI (1) FI116397B (de)
PT (1) PT787232E (de)
SE (1) SE505603C2 (de)
WO (1) WO1996012848A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853549A (en) * 1995-03-14 1998-12-29 Sephton; Hugo H. Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat.
FI118131B (fi) * 1996-11-01 2007-07-13 Kvaerner Power Oy Menetelmä ja sovitelma haihdutuskapasiteetin lisäämiseksi sellutehtaan jäteliemen useista haihdutusvaiheista koostuvassa monivaiheisessa haihduttamossa
BR9816065A (pt) * 1998-11-09 2001-08-21 Kvaerner Pulping Tech Método de produção de vapor de processo a partir de licor negro
US6419788B1 (en) * 2000-08-16 2002-07-16 Purevision Technology, Inc. Method of treating lignocellulosic biomass to produce cellulose
AU2002362217A1 (en) * 2001-12-29 2003-07-30 Energy Saving Tehnologies Financial Industrial Group Llc Method for processing multi-component liquid mixtures and device for carrying out said method
US20070131363A1 (en) * 2005-10-24 2007-06-14 Andritz Inc. Fiberline systems, processes and methods
US9873305B2 (en) 2008-02-22 2018-01-23 Dow Global Technologies Inc. Heater module including thermal energy storage material
RU2437972C1 (ru) * 2010-11-25 2011-12-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский национальный исследовательский технологический университет" (ФГБОУ ВПО "КНИТУ") Способ получения сульфатной целлюлозы
US8709204B1 (en) * 2013-03-14 2014-04-29 Veolia Water Solutions & Technologies North America Inc. System and process for recovering heat from weak black liquor in a wood pulping process
EP3091123A1 (de) 2015-05-08 2016-11-09 Siemens Aktiengesellschaft Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651356A (en) * 1948-08-25 1953-09-08 Henry M Hunter Apparatus for evaporation
US3763020A (en) * 1971-02-11 1973-10-02 Envirotech Corp Terpene recovery by multi effect evaporation with vent vapor compression
SE8204266L (sv) * 1982-07-12 1984-01-13 Korsnaes Marma Ab Forfarande for teckande av kemikalieforlusterna vid massaframstellning
FI65375C (fi) * 1982-09-20 1984-05-10 Ekono Oy Saett vid aoterkompressionsindunstning av en loesning
SE453757B (sv) * 1985-06-07 1988-02-29 Alf Ove Andersson Sett att oka torrsubstanshalten hos svartlut vid dess atervinning i en sulfatmassaprocess
FI81141B (fi) * 1986-09-22 1990-05-31 Ahlstroem Oy Foerfarande foer koncentrering av uppslamningar.
DE3834716A1 (de) * 1988-10-12 1990-04-19 Metallgesellschaft Ag Verfahren und vorrichtung zum aufkonzentrieren von loesungen

Also Published As

Publication number Publication date
EP0787232A1 (de) 1997-08-06
DE69520366D1 (de) 2001-04-19
AU3711895A (en) 1996-05-15
ES2157348T3 (es) 2001-08-16
DE69520366T2 (de) 2001-10-18
PT787232E (pt) 2001-08-30
BR9509408A (pt) 1998-05-26
EP0787232B1 (de) 2001-03-14
SE9403583L (sv) 1996-04-21
SE505603C2 (sv) 1997-09-22
SE9403583D0 (sv) 1994-10-20
WO1996012848A1 (en) 1996-05-02
FI971678L (fi) 1997-04-18
US5944950A (en) 1999-08-31
FI971678A0 (fi) 1997-04-18
FI116397B (fi) 2005-11-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
EEFA Change of the company name