JPS522003B2 - - Google Patents

Info

Publication number
JPS522003B2
JPS522003B2 JP50069788A JP6978875A JPS522003B2 JP S522003 B2 JPS522003 B2 JP S522003B2 JP 50069788 A JP50069788 A JP 50069788A JP 6978875 A JP6978875 A JP 6978875A JP S522003 B2 JPS522003 B2 JP S522003B2
Authority
JP
Japan
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
JP50069788A
Other languages
Japanese (ja)
Other versions
JPS5132802A (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS5132802A publication Critical patent/JPS5132802A/ja
Publication of JPS522003B2 publication Critical patent/JPS522003B2/ja
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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
    • 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
JP50069788A 1974-06-11 1975-06-11 Expired JPS522003B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25845/74A GB1505070A (en) 1974-06-11 1974-06-11 Process for bleaching of lignocellulosic material

Publications (2)

Publication Number Publication Date
JPS5132802A JPS5132802A (enrdf_load_stackoverflow) 1976-03-19
JPS522003B2 true JPS522003B2 (enrdf_load_stackoverflow) 1977-01-19

Family

ID=10234280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50069788A Expired JPS522003B2 (enrdf_load_stackoverflow) 1974-06-11 1975-06-11

Country Status (10)

Country Link
JP (1) JPS522003B2 (enrdf_load_stackoverflow)
BR (1) BR7503680A (enrdf_load_stackoverflow)
CA (1) CA1045759A (enrdf_load_stackoverflow)
DE (1) DE2526084C2 (enrdf_load_stackoverflow)
ES (1) ES438433A1 (enrdf_load_stackoverflow)
FI (1) FI751734A7 (enrdf_load_stackoverflow)
FR (1) FR2274729A1 (enrdf_load_stackoverflow)
GB (1) GB1505070A (enrdf_load_stackoverflow)
NO (1) NO147761C (enrdf_load_stackoverflow)
SE (1) SE7506646L (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1070909A (en) * 1976-05-04 1980-02-05 Canadian Industries Limited Nitrogen dioxide-oxygen delignification
SE421938B (sv) * 1980-06-05 1982-02-08 Mo Och Domsjoe Ab Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning
SE425674B (sv) * 1981-03-23 1982-10-25 Mo Och Domsjoe Ab Forfarande for delignifiering av cellulosamassa med kvevedioxid och syrgas
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
SE450393B (sv) * 1981-10-27 1987-06-22 Mo Och Domsjoe Ab Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE204460C (enrdf_load_stackoverflow) *
DE212838C (enrdf_load_stackoverflow) *
DE391713C (de) * 1922-12-12 1924-03-11 Paul Krais Dr Verfahren zum Aufschliessen von Stroh, Schilf u. dgl.

Also Published As

Publication number Publication date
JPS5132802A (enrdf_load_stackoverflow) 1976-03-19
DE2526084C2 (de) 1981-11-26
DE2526084A1 (de) 1976-01-02
FI751734A7 (enrdf_load_stackoverflow) 1975-12-12
SE7506646L (sv) 1975-12-12
NO147761C (no) 1983-06-08
ES438433A1 (es) 1977-05-16
BR7503680A (pt) 1976-06-29
NO752025L (enrdf_load_stackoverflow) 1975-12-12
FR2274729B1 (enrdf_load_stackoverflow) 1978-09-22
FR2274729A1 (fr) 1976-01-09
AU8201275A (en) 1976-12-16
GB1505070A (en) 1978-03-22
CA1045759A (en) 1979-01-09
NO147761B (no) 1983-02-28

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