CA1076306A - Procede permettant de reduire la quantite de produits chimiques consommes sans augmentation consequente des emissions lors du pulpage de materiel cellulosique par une liqueur de sulfate basique contenant du soufre et du sodium - Google Patents

Procede permettant de reduire la quantite de produits chimiques consommes sans augmentation consequente des emissions lors du pulpage de materiel cellulosique par une liqueur de sulfate basique contenant du soufre et du sodium

Info

Publication number
CA1076306A
CA1076306A CA255,107A CA255107A CA1076306A CA 1076306 A CA1076306 A CA 1076306A CA 255107 A CA255107 A CA 255107A CA 1076306 A CA1076306 A CA 1076306A
Authority
CA
Canada
Prior art keywords
liquor
sulfur
pulping
sodium
white
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
CA255,107A
Other languages
English (en)
Inventor
Lars T. Uhlin
Sture E. O. Noreus
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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo 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
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of CA1076306A publication Critical patent/CA1076306A/fr
Expired 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

  • Paper (AREA)
  • Treating Waste Gases (AREA)
CA255,107A 1975-06-17 1976-06-17 Procede permettant de reduire la quantite de produits chimiques consommes sans augmentation consequente des emissions lors du pulpage de materiel cellulosique par une liqueur de sulfate basique contenant du soufre et du sodium Expired CA1076306A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7506965A SE391357B (sv) 1975-06-17 1975-06-17 Forfarande for minskning av behovet av ferska kemikalier vid uppslutning av cellulosahaltigt material med natrium- och svavelhaltiga losningar

Publications (1)

Publication Number Publication Date
CA1076306A true CA1076306A (fr) 1980-04-29

Family

ID=20324897

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255,107A Expired CA1076306A (fr) 1975-06-17 1976-06-17 Procede permettant de reduire la quantite de produits chimiques consommes sans augmentation consequente des emissions lors du pulpage de materiel cellulosique par une liqueur de sulfate basique contenant du soufre et du sodium

Country Status (8)

Country Link
JP (1) JPS5215602A (fr)
BR (1) BR7603905A (fr)
CA (1) CA1076306A (fr)
FI (1) FI57796C (fr)
FR (1) FR2314965A1 (fr)
NO (1) NO762084L (fr)
NZ (1) NZ181025A (fr)
SE (1) SE391357B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411772B (sv) * 1978-04-07 1980-02-04 Sca Development Ab Sett for minskning av utsleppen till recipient och atmosfer vid uppslutning av cellulosahaltigt material
JPS5611990A (en) * 1979-07-03 1981-02-05 Tomoyasu Noritake Combustion improver for fuel in internal combustion engine
CA1224628A (fr) * 1982-12-09 1987-07-28 Union Carbide Corporation Carburants diesel
JPS59202293A (ja) * 1983-04-28 1984-11-16 Nippon Synthetic Chem Ind Co Ltd:The 燃料組成物の製造方法
JPS6330593A (ja) * 1986-07-24 1988-02-09 Kotobuki Senpaku Shoji:Kk 燃油改質方法
JP4230612B2 (ja) * 1999-05-28 2009-02-25 日本製紙株式会社 クラフト法パルプ製造プロセスにおける薬品回収方法
FI130066B (en) * 2019-02-13 2023-01-31 Andritz Oy Process for replacing sodium losses in a pulp mill and process for producing bleached cellulosic pulp

Also Published As

Publication number Publication date
FR2314965A1 (fr) 1977-01-14
BR7603905A (pt) 1977-04-05
FI57796C (fi) 1980-10-10
JPS5215602A (en) 1977-02-05
FI57796B (fi) 1980-06-30
SE7506965L (sv) 1976-12-18
JPS5325042B2 (fr) 1978-07-25
SE391357B (sv) 1977-02-14
FI761523A (fr) 1976-12-18
FR2314965B1 (fr) 1980-10-17
NZ181025A (en) 1978-04-28
NO762084L (fr) 1976-12-20

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Legal Events

Date Code Title Description
MKEX Expiry