NO743539L - - Google Patents

Info

Publication number
NO743539L
NO743539L NO743539A NO743539A NO743539L NO 743539 L NO743539 L NO 743539L NO 743539 A NO743539 A NO 743539A NO 743539 A NO743539 A NO 743539A NO 743539 L NO743539 L NO 743539L
Authority
NO
Norway
Prior art keywords
aqueous medium
alkaline aqueous
delignification
cellulose material
oxygen
Prior art date
Application number
NO743539A
Other languages
English (en)
Norwegian (no)
Inventor
T Nagano
S Miyao
K Takeda
Original Assignee
Toyo Pulp Co Ltd
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 Toyo Pulp Co Ltd filed Critical Toyo Pulp Co Ltd
Publication of NO743539L publication Critical patent/NO743539L/no

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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO743539A 1974-02-18 1974-09-30 NO743539L (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49019287A JPS5241361B2 (enrdf_load_stackoverflow) 1974-02-18 1974-02-18

Publications (1)

Publication Number Publication Date
NO743539L true NO743539L (enrdf_load_stackoverflow) 1975-08-19

Family

ID=11995220

Family Applications (1)

Application Number Title Priority Date Filing Date
NO743539A NO743539L (enrdf_load_stackoverflow) 1974-02-18 1974-09-30

Country Status (9)

Country Link
JP (1) JPS5241361B2 (enrdf_load_stackoverflow)
BR (1) BR7408260A (enrdf_load_stackoverflow)
CA (1) CA1036758A (enrdf_load_stackoverflow)
FI (1) FI56710C (enrdf_load_stackoverflow)
FR (1) FR2261371B1 (enrdf_load_stackoverflow)
GB (1) GB1489222A (enrdf_load_stackoverflow)
IT (1) IT1022768B (enrdf_load_stackoverflow)
NO (1) NO743539L (enrdf_load_stackoverflow)
SE (1) SE411464B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52148201A (en) * 1976-06-01 1977-12-09 Toyo Pulp Co Ltd Process for making alkali pulp and lignin separation

Also Published As

Publication number Publication date
JPS5241361B2 (enrdf_load_stackoverflow) 1977-10-18
GB1489222A (en) 1977-10-19
SE411464B (sv) 1979-12-27
CA1036758A (en) 1978-08-22
FI56710B (fi) 1979-11-30
DE2450608B2 (de) 1976-04-15
SE7412272L (enrdf_load_stackoverflow) 1975-08-19
FI56710C (fi) 1981-07-27
FR2261371B1 (enrdf_load_stackoverflow) 1977-10-28
FR2261371A1 (enrdf_load_stackoverflow) 1975-09-12
AU7383574A (en) 1976-04-08
IT1022768B (it) 1978-04-20
JPS50112501A (enrdf_load_stackoverflow) 1975-09-04
BR7408260A (pt) 1976-04-27
FI301374A7 (enrdf_load_stackoverflow) 1975-08-19
DE2450608A1 (de) 1975-08-21

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