AU7383574A - Method of delignification of cellulosic material in alkaline medium using oxygen - Google Patents

Method of delignification of cellulosic material in alkaline medium using oxygen

Info

Publication number
AU7383574A
AU7383574A AU73835/74A AU7383574A AU7383574A AU 7383574 A AU7383574 A AU 7383574A AU 73835/74 A AU73835/74 A AU 73835/74A AU 7383574 A AU7383574 A AU 7383574A AU 7383574 A AU7383574 A AU 7383574A
Authority
AU
Australia
Prior art keywords
delignification
oxygen
cellulosic material
alkaline medium
alkaline
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU73835/74A
Other versions
AU484000B2 (en
Inventor
Katsuhiko Takeda Tadashi Nagano Sabel Miyao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Pulp Co Ltd
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 AU484000B2 publication Critical patent/AU484000B2/en
Publication of AU7383574A publication Critical patent/AU7383574A/en
Expired legal-status Critical Current

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)
AU73835/74A 1974-02-18 1974-10-01 Method of delignification of cellulosic material in alkaline medium using oxygen Expired AU484000B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP49019287A JPS5241361B2 (en) 1974-02-18 1974-02-18
JPJP49-19287 1974-02-18

Publications (2)

Publication Number Publication Date
AU484000B2 AU484000B2 (en) 1976-04-08
AU7383574A true AU7383574A (en) 1976-04-08

Family

ID=

Also Published As

Publication number Publication date
BR7408260A (en) 1976-04-27
FI301374A (en) 1975-08-19
DE2450608A1 (en) 1975-08-21
FI56710B (en) 1979-11-30
FI56710C (en) 1981-07-27
SE411464B (en) 1979-12-27
FR2261371B1 (en) 1977-10-28
JPS5241361B2 (en) 1977-10-18
IT1022768B (en) 1978-04-20
CA1036758A (en) 1978-08-22
FR2261371A1 (en) 1975-09-12
GB1489222A (en) 1977-10-19
NO743539L (en) 1975-08-19
SE7412272L (en) 1975-08-19
DE2450608B2 (en) 1976-04-15
JPS50112501A (en) 1975-09-04

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