JPS52134690A - Process for removing lignin from lignocellulose substance - Google Patents

Process for removing lignin from lignocellulose substance

Info

Publication number
JPS52134690A
JPS52134690A JP5003677A JP5003677A JPS52134690A JP S52134690 A JPS52134690 A JP S52134690A JP 5003677 A JP5003677 A JP 5003677A JP 5003677 A JP5003677 A JP 5003677A JP S52134690 A JPS52134690 A JP S52134690A
Authority
JP
Japan
Prior art keywords
removing lignin
lignocellulose substance
lignocellulose
substance
lignin
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.)
Pending
Application number
JP5003677A
Other languages
English (en)
Japanese (ja)
Inventor
Andoriyuu Edowaado Ietoon
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries 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 Canadian Industries Ltd filed Critical Canadian Industries Ltd
Publication of JPS52134690A publication Critical patent/JPS52134690A/ja
Pending 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
JP5003677A 1976-05-04 1977-05-02 Process for removing lignin from lignocellulose substance Pending JPS52134690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA251,752A CA1070909A (en) 1976-05-04 1976-05-04 Nitrogen dioxide-oxygen delignification

Publications (1)

Publication Number Publication Date
JPS52134690A true JPS52134690A (en) 1977-11-11

Family

ID=4105864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5003677A Pending JPS52134690A (en) 1976-05-04 1977-05-02 Process for removing lignin from lignocellulose substance

Country Status (12)

Country Link
JP (1) JPS52134690A (pt)
AU (1) AU498646B2 (pt)
BR (1) BR7702713A (pt)
CA (1) CA1070909A (pt)
DE (1) DE2717257A1 (pt)
ES (1) ES458434A1 (pt)
FI (1) FI771383A (pt)
FR (1) FR2350421A1 (pt)
NO (1) NO771297L (pt)
NZ (1) NZ183555A (pt)
SE (1) SE7705136L (pt)
ZA (1) ZA771424B (pt)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725490A (en) * 1980-06-05 1982-02-10 Mo Och Domsjoe Ab Bleaching of cellulose pulp by oxygen gas
JPS57161185A (en) * 1981-03-23 1982-10-04 Mo Och Domsjoe Ab Delignification of cellulose pulp
JP2002302888A (ja) * 2001-04-05 2002-10-18 Oji Paper Co Ltd 漂白パルプの製造方法
JP2014508866A (ja) * 2011-03-22 2014-04-10 アンドリツ オサケユキチュア 高カッパー価に蒸解された化学パルプの酸素脱リグニン後の濾過液を処理するための方法及び設備

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE441192B (sv) * 1980-05-27 1985-09-16 Mo Och Domsjoe Ab Forfarande for delignifiering av kemisk cellulosamassa med syrgas i nervaro av ett eller flera neutralisationsmedel
SE445122B (sv) * 1980-12-17 1986-06-02 Mo Och Domsjoe Ab Forfarande for delignifiering av cellulosamassa i nervaro av kvevedioxid
DE3118384C1 (de) * 1981-05-09 1982-11-11 Mannesmann AG, 4000 Düsseldorf Verfahren zum Bleichen von chemisch hergestelltem Zellstoff mit Ozon
SE448006B (sv) * 1981-09-21 1987-01-12 Mo Och Domsjoe Ab Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider
SE450394B (sv) * 1981-12-30 1987-06-22 Mo Och Domsjoe Ab Forfarande for blekning av ligninhaltig cellulosamassa

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505070A (en) * 1974-06-11 1978-03-22 Canadian Ind Process for bleaching of lignocellulosic material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725490A (en) * 1980-06-05 1982-02-10 Mo Och Domsjoe Ab Bleaching of cellulose pulp by oxygen gas
JPS6350465B2 (pt) * 1980-06-05 1988-10-07 Mo Och Domsjoe Ab
JPS57161185A (en) * 1981-03-23 1982-10-04 Mo Och Domsjoe Ab Delignification of cellulose pulp
JPS6360158B2 (pt) * 1981-03-23 1988-11-22
JP2002302888A (ja) * 2001-04-05 2002-10-18 Oji Paper Co Ltd 漂白パルプの製造方法
JP2014508866A (ja) * 2011-03-22 2014-04-10 アンドリツ オサケユキチュア 高カッパー価に蒸解された化学パルプの酸素脱リグニン後の濾過液を処理するための方法及び設備

Also Published As

Publication number Publication date
NZ183555A (en) 1978-11-13
FR2350421B1 (pt) 1982-08-13
SE7705136L (sv) 1977-11-05
FI771383A (pt) 1977-11-05
DE2717257A1 (de) 1977-11-17
ES458434A1 (es) 1978-03-16
AU2311177A (en) 1978-09-14
AU498646B2 (en) 1979-03-22
FR2350421A1 (fr) 1977-12-02
ZA771424B (en) 1978-02-22
BR7702713A (pt) 1978-03-21
NO771297L (no) 1977-11-07
CA1070909A (en) 1980-02-05

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