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
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/en
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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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 (en)
AU (1) AU498646B2 (en)
BR (1) BR7702713A (en)
CA (1) CA1070909A (en)
DE (1) DE2717257A1 (en)
ES (1) ES458434A1 (en)
FI (1) FI771383A (en)
FR (1) FR2350421A1 (en)
NO (1) NO771297L (en)
NZ (1) NZ183555A (en)
SE (1) SE7705136L (en)
ZA (1) ZA771424B (en)

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 (en) * 2001-04-05 2002-10-18 Oji Paper Co Ltd Method of production for bleached pulp
JP2014508866A (en) * 2011-03-22 2014-04-10 アンドリツ オサケユキチュア Method and equipment for treating filtrate after oxygen delignification of chemical pulp digested to high kappa number

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE441192B (en) * 1980-05-27 1985-09-16 Mo Och Domsjoe Ab PROCEDURE FOR DELIGNIFICATION OF CHEMICAL CELLULOSAMASSA WITH OXYGEN IN THE PRESENCE OF ONE OR MULTIPLE NEUTRALIZING AGENTS
SE445122B (en) * 1980-12-17 1986-06-02 Mo Och Domsjoe Ab PROCEDURE FOR DELIGNIFICATION OF CELLULOSAMASSA IN THE PRESENTATION OF NITROGEN Dioxide
DE3118384C1 (en) * 1981-05-09 1982-11-11 Mannesmann AG, 4000 Düsseldorf Process for bleaching chemically produced pulp with ozone
SE448006B (en) * 1981-09-21 1987-01-12 Mo Och Domsjoe Ab PROCEDURE FOR WHITING CELLULOSAMASSA INCLUDING AN ACTIVATION STEP WITH NITROGEN OXIDES
SE450394B (en) * 1981-12-30 1987-06-22 Mo Och Domsjoe Ab PROCEDURE FOR BLACKING OF SIMILAR 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 (en) * 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 (en) * 1981-03-23 1988-11-22
JP2002302888A (en) * 2001-04-05 2002-10-18 Oji Paper Co Ltd Method of production for bleached pulp
JP2014508866A (en) * 2011-03-22 2014-04-10 アンドリツ オサケユキチュア Method and equipment for treating filtrate after oxygen delignification of chemical pulp digested to high kappa number

Also Published As

Publication number Publication date
FR2350421A1 (en) 1977-12-02
DE2717257A1 (en) 1977-11-17
ES458434A1 (en) 1978-03-16
NZ183555A (en) 1978-11-13
FI771383A (en) 1977-11-05
AU498646B2 (en) 1979-03-22
ZA771424B (en) 1978-02-22
FR2350421B1 (en) 1982-08-13
CA1070909A (en) 1980-02-05
NO771297L (en) 1977-11-07
BR7702713A (en) 1978-03-21
SE7705136L (en) 1977-11-05
AU2311177A (en) 1978-09-14

Similar Documents

Publication Publication Date Title
JPS5237803A (en) Process for separating lignin from lignocellulos material
YU115579A (en) Process for obtaining ethylacetate
JPS5259702A (en) Process for pulping with solvents
JPS51112902A (en) Process for making pulp
YU41117B (en) Process for obtaining sugovar, lingnig and cellulose from lignocellulose
PH19618A (en) Process for preparing -2-pyrrolidone
JPS52134690A (en) Process for removing lignin from lignocellulose substance
YU90377A (en) Process for extracting vegetable materials
YU227679A (en) Process for obtaining n-benzylhaloacetamide deriatives
YU241279A (en) Process for obtaining 2-chlorosulfinyl-azetidine-4-one
ZA804160B (en) Apparatus for drying bagasse
JPS5374104A (en) Lignin removing method of lignocellulose material
JPS5296201A (en) Process for producing chemical pulp from hard wood
GB2003919B (en) Process for making coke from cellulosic materials
YU112279A (en) Process for obtaining substituted dibenzylethers
JPS5358004A (en) Process for digesting lignocellulose containing material
JPS5374103A (en) Lignin removing method of lignocellulose material
YU86879A (en) Process for obtaining 17-beta-carboxy-5-androstane-3-one
JPS51119801A (en) Process for separating lignin from lignin containing material
JPS52124902A (en) Process for pulp manufacture
JPS5374102A (en) Lignin removing method of lignocellulose material
JPS52118004A (en) Process for making paper from pine apple fiber
JPS533542A (en) Process for treating bagasse
YU285579A (en) Process for obtaining rutin (h)-sulfates
JPS5237802A (en) Process for making pulp