CA989558A - Process for recovering chemicals in the pulp production by the soda process - Google Patents

Process for recovering chemicals in the pulp production by the soda process

Info

Publication number
CA989558A
CA989558A CA155,132A CA155132A CA989558A CA 989558 A CA989558 A CA 989558A CA 155132 A CA155132 A CA 155132A CA 989558 A CA989558 A CA 989558A
Authority
CA
Canada
Prior art keywords
pulp production
soda
recovering chemicals
recovering
chemicals
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
CA155,132A
Other languages
English (en)
Other versions
CA155132S (en
Inventor
Hiroshi Matsuura
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.)
Japan Pulp and Paper Research Institute Inc
Original Assignee
Japan Pulp and Paper Research Institute 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 Japan Pulp and Paper Research Institute Inc filed Critical Japan Pulp and Paper Research Institute Inc
Application granted granted Critical
Publication of CA989558A publication Critical patent/CA989558A/en
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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
CA155,132A 1971-11-02 1972-10-30 Process for recovering chemicals in the pulp production by the soda process Expired CA989558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8733971A JPS5510716B2 (id) 1971-11-02 1971-11-02

Publications (1)

Publication Number Publication Date
CA989558A true CA989558A (en) 1976-05-25

Family

ID=13912094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,132A Expired CA989558A (en) 1971-11-02 1972-10-30 Process for recovering chemicals in the pulp production by the soda process

Country Status (4)

Country Link
JP (1) JPS5510716B2 (id)
BR (1) BR7207673D0 (id)
CA (1) CA989558A (id)
FR (1) FR2159935A1 (id)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994004747A1 (en) * 1992-08-24 1994-03-03 Eka Nobel Ab Reduction of chloride in pulping chemical recovery systems
US5439555A (en) * 1992-07-30 1995-08-08 Kamyr, Inc. Minimum adverse environmental pulp with feed to chlorate manufacture
US5518583A (en) * 1992-07-30 1996-05-21 A. Ahlstrom Corporation Zero discharge mill distillation, salt recovery, and water management
US5547543A (en) * 1992-07-30 1996-08-20 Ahlstrom Machinery Inc. Apparatus for minimizing effluent discharges and recovering chemicals in a pulp mill
US5549788A (en) * 1992-07-30 1996-08-27 A. Ahlstrom Corporation Minimal effluents discharge pulp mill with chemical recovery
US5595628A (en) * 1992-05-05 1997-01-21 Grant S.A. Production of pulp by the soda-anthraquinone process (SAP) with recovery of the cooking chemicals
US5628872A (en) * 1993-10-22 1997-05-13 Kanyr Ab Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor
US5961803A (en) * 1995-07-12 1999-10-05 Eka Chemicals Ab Leaching process

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE400997B (sv) * 1972-12-15 1978-04-17 Erco Envirotech Ltd Sett for avlegsnande av natriumklorid ur regenererad vitlut
CA1058358A (en) * 1973-08-07 1979-07-17 Erco Envirotech Ltd. Removal of dissolved salts from sulphide liquors
US3945880A (en) * 1974-08-05 1976-03-23 Erco Envirotech Ltd. Sodium chloride removal in pulp mill systems
US3954552A (en) * 1974-08-05 1976-05-04 Erco Envirotech Ltd. Removal of sodium chloride from pulp mill systems
ZA762995B (en) * 1976-05-19 1977-07-27 Sappi Ltd Improvements relating to recovery of chemicals
US5300191A (en) * 1992-07-30 1994-04-05 Kamyr, Inc. Chlorine dioxide generation for a zero discharge pulp mill

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5595628A (en) * 1992-05-05 1997-01-21 Grant S.A. Production of pulp by the soda-anthraquinone process (SAP) with recovery of the cooking chemicals
US5439555A (en) * 1992-07-30 1995-08-08 Kamyr, Inc. Minimum adverse environmental pulp with feed to chlorate manufacture
US5518583A (en) * 1992-07-30 1996-05-21 A. Ahlstrom Corporation Zero discharge mill distillation, salt recovery, and water management
US5547543A (en) * 1992-07-30 1996-08-20 Ahlstrom Machinery Inc. Apparatus for minimizing effluent discharges and recovering chemicals in a pulp mill
US5549788A (en) * 1992-07-30 1996-08-27 A. Ahlstrom Corporation Minimal effluents discharge pulp mill with chemical recovery
WO1994004747A1 (en) * 1992-08-24 1994-03-03 Eka Nobel Ab Reduction of chloride in pulping chemical recovery systems
US5628872A (en) * 1993-10-22 1997-05-13 Kanyr Ab Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor
US5961803A (en) * 1995-07-12 1999-10-05 Eka Chemicals Ab Leaching process

Also Published As

Publication number Publication date
FR2159935A1 (en) 1973-06-22
JPS4861703A (id) 1973-08-29
JPS5510716B2 (id) 1980-03-18
BR7207673D0 (pt) 1973-09-25

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