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

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/02Regeneration 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

Similar Documents

Publication Publication Date Title
CA1026695A (en) Method for producing cellulose pulp
AU502371B2 (en) Process for producing paper pulp
CA1013214A (en) Method of making surface-treated paper
YU304075A (en) Method of producing dispersed pulp
AU497459B2 (en) Continuous bleaching and delignifying of cellulose pulp
ZA739305B (en) Method of producing cellulose pulp of high brightness
CA1019937A (en) Yarn structure and method for producing same
CA1032312A (en) Paper composed mainly of pullulan fibers and method for producing the same
CA1000559A (en) Method of producing web units
CA1019906A (en) Pulp bleaching process
AU513517B2 (en) Production of pulp
CA1025158A (en) Pollution reducing method of producing bleached sulfite pulp
AU514721B2 (en) Regeneration of pulping liquor
CA1013903A (en) Method of pulping with polysulfide
CA1004776A (en) Production of graphic patterns
CA1023508A (en) Method of producing cellulosic pulp
HU171038B (hu) Sposob poluchenija celljuloznogo volokna s bol'shojj propuskaemost'ju, soderzhahhego enzimy
CA1001803A (en) Method of treating cellulose pulp
AU492199B2 (en) Production of bleached pulp
AU8524475A (en) Production of bleached pulp
CA992265A (en) Bleaching of lignocellulosic pulp
CA865425A (en) Method of producing bleached cellulosic pulp
CA1006304A (en) Method of refining chemical pulp
CA902306A (en) Method of treating unbleached pulp
CA1004805A (en) Non-neutral bleaching of pulp