CA1097465A - Recuperation de l'energie emmagasinee par la lessive noire - Google Patents

Recuperation de l'energie emmagasinee par la lessive noire

Info

Publication number
CA1097465A
CA1097465A CA272,239A CA272239A CA1097465A CA 1097465 A CA1097465 A CA 1097465A CA 272239 A CA272239 A CA 272239A CA 1097465 A CA1097465 A CA 1097465A
Authority
CA
Canada
Prior art keywords
steam
chips
digester
evaporator
black liquor
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
Application number
CA272,239A
Other languages
English (en)
Inventor
James R. Prough
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.)
Kamyr Inc
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
Application filed by Kamyr Inc filed Critical Kamyr Inc
Application granted granted Critical
Publication of CA1097465A publication Critical patent/CA1097465A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/28—Evaporating with vapour compression
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
CA272,239A 1976-11-30 1977-02-21 Recuperation de l'energie emmagasinee par la lessive noire Expired CA1097465A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74601776A 1976-11-30 1976-11-30
US746,017 1976-11-30

Publications (1)

Publication Number Publication Date
CA1097465A true CA1097465A (fr) 1981-03-17

Family

ID=24999158

Family Applications (1)

Application Number Title Priority Date Filing Date
CA272,239A Expired CA1097465A (fr) 1976-11-30 1977-02-21 Recuperation de l'energie emmagasinee par la lessive noire

Country Status (1)

Country Link
CA (1) CA1097465A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626021A1 (fr) * 1988-01-14 1989-07-21 Ahlstroem Foeretagen Procede et dispositif pour l'evaporation de lessive residuaire produite lors de la cuisson de materiaux fibreux contenant de la cellulose
US4897157A (en) * 1986-07-08 1990-01-30 Kamyr, Inc. Make-up liquor and black liquor evaporating processing during pulp production
US4909899A (en) * 1986-09-22 1990-03-20 A. Ahlstrom Corporation Method of concentrating sludges
US4929307A (en) * 1985-11-29 1990-05-29 A. Ahlstrom Corporation Method of decreasing black liquor viscosity
US5089087A (en) * 1986-07-08 1992-02-18 Kamyr, Inc. Make-up liquor and black liquor evaporating process during pulp production
US5112441A (en) * 1985-04-25 1992-05-12 Oy Tampella Ab Process for the recovery of heat and chemicals from spent liquor
WO2017086856A1 (fr) * 2015-11-16 2017-05-26 Valmet Ab Procédé permettant de chauffer une matière cellulosique à une température de cuisson complète dans des lessiveurs

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5112441A (en) * 1985-04-25 1992-05-12 Oy Tampella Ab Process for the recovery of heat and chemicals from spent liquor
US4929307A (en) * 1985-11-29 1990-05-29 A. Ahlstrom Corporation Method of decreasing black liquor viscosity
US4897157A (en) * 1986-07-08 1990-01-30 Kamyr, Inc. Make-up liquor and black liquor evaporating processing during pulp production
US5089087A (en) * 1986-07-08 1992-02-18 Kamyr, Inc. Make-up liquor and black liquor evaporating process during pulp production
US4909899A (en) * 1986-09-22 1990-03-20 A. Ahlstrom Corporation Method of concentrating sludges
FR2626021A1 (fr) * 1988-01-14 1989-07-21 Ahlstroem Foeretagen Procede et dispositif pour l'evaporation de lessive residuaire produite lors de la cuisson de materiaux fibreux contenant de la cellulose
US4944840A (en) * 1988-01-14 1990-07-31 Ahlstromforetagen Svenska Ab Method and apparatus for evaporating waste liquor produced when cooking fibrous material containing cellulose
WO2017086856A1 (fr) * 2015-11-16 2017-05-26 Valmet Ab Procédé permettant de chauffer une matière cellulosique à une température de cuisson complète dans des lessiveurs

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Legal Events

Date Code Title Description
MKEX Expiry