NO169856C - PROCEDURE TO AA REDUCE THE CONTENT OF OXYGEN CONSUMING SUBSTANCE (COF) AND COLOR IN WASTE WATER FROM PRODUCTION AVCELLULOSE FOR PAPER MAKING. - Google Patents

PROCEDURE TO AA REDUCE THE CONTENT OF OXYGEN CONSUMING SUBSTANCE (COF) AND COLOR IN WASTE WATER FROM PRODUCTION AVCELLULOSE FOR PAPER MAKING.

Info

Publication number
NO169856C
NO169856C NO885017A NO885017A NO169856C NO 169856 C NO169856 C NO 169856C NO 885017 A NO885017 A NO 885017A NO 885017 A NO885017 A NO 885017A NO 169856 C NO169856 C NO 169856C
Authority
NO
Norway
Prior art keywords
avcellulose
cof
color
procedure
production
Prior art date
Application number
NO885017A
Other languages
Norwegian (no)
Other versions
NO885017L (en
NO169856B (en
NO885017D0 (en
Inventor
Peder Johan Kleppe
Ingunn Omholt
Original Assignee
Peterson & Son As M
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 Peterson & Son As M filed Critical Peterson & Son As M
Priority to NO885017A priority Critical patent/NO169856C/en
Publication of NO885017D0 publication Critical patent/NO885017D0/en
Priority to SE8903717A priority patent/SE8903717L/en
Priority to FI895351A priority patent/FI895351A0/en
Publication of NO885017L publication Critical patent/NO885017L/en
Publication of NO169856B publication Critical patent/NO169856B/en
Publication of NO169856C publication Critical patent/NO169856C/en

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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
NO885017A 1988-11-10 1988-11-10 PROCEDURE TO AA REDUCE THE CONTENT OF OXYGEN CONSUMING SUBSTANCE (COF) AND COLOR IN WASTE WATER FROM PRODUCTION AVCELLULOSE FOR PAPER MAKING. NO169856C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO885017A NO169856C (en) 1988-11-10 1988-11-10 PROCEDURE TO AA REDUCE THE CONTENT OF OXYGEN CONSUMING SUBSTANCE (COF) AND COLOR IN WASTE WATER FROM PRODUCTION AVCELLULOSE FOR PAPER MAKING.
SE8903717A SE8903717L (en) 1988-11-10 1989-11-07 MAKE DISPOSAL OF ACID CONSUMPTION SUBSTANCES AND COATS IN THE WASTEWATER IN CELLULOSA PRODUCTION FOR PAPER MAKING
FI895351A FI895351A0 (en) 1988-11-10 1989-11-09 FOERFARANDE FOER REDUCERING AV INNEHAOLLET AV SYREFOERBRUKANDE SUBSTANS OCH FAERG I AVLOPPSVATTEN FRAON PRODUKTION AV CELLULOSA FOER PAPPERSFRAMSTAELLNING.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO885017A NO169856C (en) 1988-11-10 1988-11-10 PROCEDURE TO AA REDUCE THE CONTENT OF OXYGEN CONSUMING SUBSTANCE (COF) AND COLOR IN WASTE WATER FROM PRODUCTION AVCELLULOSE FOR PAPER MAKING.

Publications (4)

Publication Number Publication Date
NO885017D0 NO885017D0 (en) 1988-11-10
NO885017L NO885017L (en) 1990-05-11
NO169856B NO169856B (en) 1992-05-04
NO169856C true NO169856C (en) 1992-08-12

Family

ID=19891414

Family Applications (1)

Application Number Title Priority Date Filing Date
NO885017A NO169856C (en) 1988-11-10 1988-11-10 PROCEDURE TO AA REDUCE THE CONTENT OF OXYGEN CONSUMING SUBSTANCE (COF) AND COLOR IN WASTE WATER FROM PRODUCTION AVCELLULOSE FOR PAPER MAKING.

Country Status (3)

Country Link
FI (1) FI895351A0 (en)
NO (1) NO169856C (en)
SE (1) SE8903717L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245196B1 (en) * 1999-02-02 2001-06-12 Praxair Technology, Inc. Method and apparatus for pulp yield enhancement

Also Published As

Publication number Publication date
NO885017L (en) 1990-05-11
SE8903717A0 (en) 1990-05-11
SE8903717D0 (en) 1989-11-07
NO169856B (en) 1992-05-04
SE8903717L (en) 1990-05-11
FI895351A0 (en) 1989-11-09
NO885017D0 (en) 1988-11-10

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