FI45356C - Pulp bleaching method. - Google Patents

Pulp bleaching method.

Info

Publication number
FI45356C
FI45356C FI33065A FI33065A FI45356C FI 45356 C FI45356 C FI 45356C FI 33065 A FI33065 A FI 33065A FI 33065 A FI33065 A FI 33065A FI 45356 C FI45356 C FI 45356C
Authority
FI
Finland
Prior art keywords
pulp bleaching
bleaching method
pulp
bleaching
Prior art date
Application number
FI33065A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI45356B (en
Inventor
Berthier Rene
Original Assignee
Du Pin Cellulose
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 Du Pin Cellulose filed Critical Du Pin Cellulose
Application granted granted Critical
Publication of FI45356B publication Critical patent/FI45356B/fi
Publication of FI45356C publication Critical patent/FI45356C/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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Earth Drilling (AREA)
FI33065A 1964-02-11 1965-02-11 Pulp bleaching method. FI45356C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR963419A FR1393492A (en) 1964-02-11 1964-02-11 Pulp bleaching improvement

Publications (2)

Publication Number Publication Date
FI45356B FI45356B (en) 1972-01-31
FI45356C true FI45356C (en) 1972-05-10

Family

ID=8822925

Family Applications (1)

Application Number Title Priority Date Filing Date
FI33065A FI45356C (en) 1964-02-11 1965-02-11 Pulp bleaching method.

Country Status (8)

Country Link
BE (1) BE659474A (en)
DE (1) DE1546242A1 (en)
FI (1) FI45356C (en)
FR (1) FR1393492A (en)
GB (1) GB1091124A (en)
NL (1) NL6501698A (en)
NO (1) NO117954B (en)
SE (1) SE312971B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1181139B (en) * 1984-11-09 1987-09-23 Sicem Saga Spa EQUIPMENT AND PROCEDURE FOR THE PRODUCTION OF RAW OR WHITENED SEMIMECHANICAL WOOD DOORS WITH CONTINUOUS IMPREGNATION CYCLE
DE10320618A1 (en) * 2003-05-08 2004-11-18 Papierfabrik Albbruck Gmbh & Co. Kg Process for bleaching fibrous materials

Also Published As

Publication number Publication date
GB1091124A (en) 1967-11-15
FR1393492A (en) 1965-03-26
NO117954B (en) 1969-10-13
DE1546242A1 (en) 1970-04-23
BE659474A (en) 1965-08-09
FI45356B (en) 1972-01-31
SE312971B (en) 1969-07-28
NL6501698A (en) 1965-08-12

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