SE411464B - WAY TO DELIGNIFY CELLULOSIS-MATERIAL WITH ACID - Google Patents

WAY TO DELIGNIFY CELLULOSIS-MATERIAL WITH ACID

Info

Publication number
SE411464B
SE411464B SE7412272A SE7412272A SE411464B SE 411464 B SE411464 B SE 411464B SE 7412272 A SE7412272 A SE 7412272A SE 7412272 A SE7412272 A SE 7412272A SE 411464 B SE411464 B SE 411464B
Authority
SE
Sweden
Prior art keywords
cellulosis
delignify
acid
way
delignify cellulosis
Prior art date
Application number
SE7412272A
Other languages
Swedish (sv)
Other versions
SE7412272L (en
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 SE7412272L publication Critical patent/SE7412272L/xx
Publication of SE411464B publication Critical patent/SE411464B/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)
SE7412272A 1974-02-18 1974-09-30 WAY TO DELIGNIFY CELLULOSIS-MATERIAL WITH ACID SE411464B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE7412272L SE7412272L (en) 1975-08-19
SE411464B true SE411464B (en) 1979-12-27

Family

ID=11995220

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7412272A SE411464B (en) 1974-02-18 1974-09-30 WAY TO DELIGNIFY CELLULOSIS-MATERIAL WITH ACID

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
SE7412272L (en) 1975-08-19
JPS50112501A (en) 1975-09-04
FR2261371A1 (en) 1975-09-12
AU7383574A (en) 1976-04-08
JPS5241361B2 (en) 1977-10-18
DE2450608A1 (en) 1975-08-21
NO743539L (en) 1975-08-19
IT1022768B (en) 1978-04-20
FR2261371B1 (en) 1977-10-28
GB1489222A (en) 1977-10-19
FI56710B (en) 1979-11-30
CA1036758A (en) 1978-08-22
DE2450608B2 (en) 1976-04-15
FI301374A (en) 1975-08-19
BR7408260A (en) 1976-04-27
FI56710C (en) 1981-07-27

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