CA1025158A - Pollution reducing method of producing bleached sulfite pulp - Google Patents

Pollution reducing method of producing bleached sulfite pulp

Info

Publication number
CA1025158A
CA1025158A CA197,020A CA197020A CA1025158A CA 1025158 A CA1025158 A CA 1025158A CA 197020 A CA197020 A CA 197020A CA 1025158 A CA1025158 A CA 1025158A
Authority
CA
Canada
Prior art keywords
reducing method
sulfite pulp
bleached sulfite
pollution reducing
producing bleached
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
CA197,020A
Other languages
English (en)
French (fr)
Inventor
Taavi P. Siuko
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.)
Jaakko Poeyry & Co Oy
Original Assignee
Jaakko Poeyry & Co Oy
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 Jaakko Poeyry & Co Oy filed Critical Jaakko Poeyry & Co Oy
Application granted granted Critical
Publication of CA1025158A publication Critical patent/CA1025158A/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
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
CA197,020A 1973-04-09 1974-04-08 Pollution reducing method of producing bleached sulfite pulp Expired CA1025158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI1100/73A FI51604B (ja) 1973-04-09 1973-04-09

Publications (1)

Publication Number Publication Date
CA1025158A true CA1025158A (en) 1978-01-31

Family

ID=8505103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197,020A Expired CA1025158A (en) 1973-04-09 1974-04-08 Pollution reducing method of producing bleached sulfite pulp

Country Status (9)

Country Link
JP (1) JPS5040801A (ja)
AT (1) ATA295574A (ja)
CA (1) CA1025158A (ja)
CH (1) CH609395A5 (ja)
CS (1) CS223859B2 (ja)
DE (1) DE2417084C3 (ja)
FI (1) FI51604B (ja)
FR (1) FR2224589B3 (ja)
NO (1) NO141858B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS579258B1 (ja) * 1971-05-15 1982-02-20
US4155804A (en) * 1975-03-17 1979-05-22 International Telephone And Telegraph Corporation Removal of volatile organic components from spent sulfite effluent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process

Also Published As

Publication number Publication date
FR2224589A1 (ja) 1974-10-31
FR2224589B3 (ja) 1978-05-05
JPS5040801A (ja) 1975-04-14
DE2417084C3 (de) 1986-01-02
CS223859B2 (en) 1983-11-25
CH609395A5 (en) 1979-02-28
DE2417084A1 (de) 1974-10-24
DE2417084B2 (de) 1978-12-14
NO141858B (no) 1980-02-11
ATA295574A (de) 1978-01-15
FI51604B (ja) 1976-11-01
NO741270L (no) 1974-10-10

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