PT71072A - Method for secondary heat recovery in batchwise cellulose digesting - Google Patents

Method for secondary heat recovery in batchwise cellulose digesting

Info

Publication number
PT71072A
PT71072A PT71072A PT7107280A PT71072A PT 71072 A PT71072 A PT 71072A PT 71072 A PT71072 A PT 71072A PT 7107280 A PT7107280 A PT 7107280A PT 71072 A PT71072 A PT 71072A
Authority
PT
Portugal
Prior art keywords
batchwise
heat recovery
secondary heat
cellulose digesting
digesting
Prior art date
Application number
PT71072A
Other languages
English (en)
Portuguese (pt)
Original Assignee
Rosenblads Patenter Ab
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
Priority claimed from FI791205A external-priority patent/FI63268C/fi
Priority claimed from SE7906540A external-priority patent/SE435075B/sv
Application filed by Rosenblads Patenter Ab filed Critical Rosenblads Patenter Ab
Publication of PT71072A publication Critical patent/PT71072A/pt

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
    • 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
    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • 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
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Artificial Filaments (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
PT71072A 1979-04-11 1980-04-09 Method for secondary heat recovery in batchwise cellulose digesting PT71072A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI791205A FI63268C (fi) 1979-04-11 1979-04-11 Foerfaringssaett foer toemning av en satsvis cellulosakokare.
SE7906540A SE435075B (sv) 1979-08-01 1979-08-01 Forfarande vid satsvis kokning av cellulosamassa for tomning av massan fran kokaren

Publications (1)

Publication Number Publication Date
PT71072A true PT71072A (en) 1980-05-01

Family

ID=26157029

Family Applications (1)

Application Number Title Priority Date Filing Date
PT71072A PT71072A (en) 1979-04-11 1980-04-09 Method for secondary heat recovery in batchwise cellulose digesting

Country Status (8)

Country Link
AT (1) AT375692B (de)
BR (1) BR8002271A (de)
CA (1) CA1135101A (de)
DE (1) DE3013825C2 (de)
ES (1) ES490518A0 (de)
FR (2) FR2453934B1 (de)
NO (1) NO157109C (de)
PT (1) PT71072A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453673B (sv) * 1985-07-02 1988-02-22 Kamyr Ab Sett vid kontinuerlig kokning for uppvermning av fibermaterialet vid kokarens topp
US4975148A (en) * 1988-12-06 1990-12-04 Ahlstromforetagen Svenska Ab Cold blow system for batch production of pulp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO115278B (de) * 1962-03-03 1968-09-09 Kamyr Ab
US3515631A (en) * 1965-07-14 1970-06-02 Curt Fredrick Rosenblad Method and system for flushing sulphite pulp digesters
US4138311A (en) * 1977-02-10 1979-02-06 International Paper Company Method and apparatus for batch production of pulp including improved energy reclamation

Also Published As

Publication number Publication date
AT375692B (de) 1984-08-27
ES8101160A1 (es) 1980-12-01
DE3013825C2 (de) 1987-03-26
NO157109B (no) 1987-10-12
FR2453934A1 (fr) 1980-11-07
ES490518A0 (es) 1980-12-01
FR2553797A1 (fr) 1985-04-26
NO801036L (no) 1980-10-13
FR2453934B1 (fr) 1985-08-23
BR8002271A (pt) 1980-12-02
NO157109C (no) 1988-01-20
ATA197980A (de) 1984-01-15
FR2553797B1 (fr) 1987-01-16
DE3013825A1 (de) 1980-10-30
CA1135101A (en) 1982-11-09

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Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19950930