IT1022768B - METHOD FOR THE DELIGNIFICATION OF CELLULOSE MATERIAL IN THE MIDDLE OF THE CALINO USING OXYNUM - Google Patents

METHOD FOR THE DELIGNIFICATION OF CELLULOSE MATERIAL IN THE MIDDLE OF THE CALINO USING OXYNUM

Info

Publication number
IT1022768B
IT1022768B IT28290/74A IT2829074A IT1022768B IT 1022768 B IT1022768 B IT 1022768B IT 28290/74 A IT28290/74 A IT 28290/74A IT 2829074 A IT2829074 A IT 2829074A IT 1022768 B IT1022768 B IT 1022768B
Authority
IT
Italy
Prior art keywords
oxynum
calino
delignification
cellulose material
cellulose
Prior art date
Application number
IT28290/74A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1022768B publication Critical patent/IT1022768B/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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
IT28290/74A 1974-02-18 1974-10-10 METHOD FOR THE DELIGNIFICATION OF CELLULOSE MATERIAL IN THE MIDDLE OF THE CALINO USING OXYNUM IT1022768B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1022768B true IT1022768B (en) 1978-04-20

Family

ID=11995220

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28290/74A IT1022768B (en) 1974-02-18 1974-10-10 METHOD FOR THE DELIGNIFICATION OF CELLULOSE MATERIAL IN THE MIDDLE OF THE CALINO USING OXYNUM

Country Status (9)

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

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
FI56710C (en) 1981-07-27
CA1036758A (en) 1978-08-22
BR7408260A (en) 1976-04-27
GB1489222A (en) 1977-10-19
FI56710B (en) 1979-11-30
NO743539L (en) 1975-08-19
DE2450608A1 (en) 1975-08-21
JPS50112501A (en) 1975-09-04
JPS5241361B2 (en) 1977-10-18
FR2261371B1 (en) 1977-10-28
AU7383574A (en) 1976-04-08
FR2261371A1 (en) 1975-09-12
FI301374A (en) 1975-08-19
DE2450608B2 (en) 1976-04-15
SE411464B (en) 1979-12-27
SE7412272L (en) 1975-08-19

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