GB1100724A - Improvements in the bleaching of pulp - Google Patents

Improvements in the bleaching of pulp

Info

Publication number
GB1100724A
GB1100724A GB3308964A GB3308964A GB1100724A GB 1100724 A GB1100724 A GB 1100724A GB 3308964 A GB3308964 A GB 3308964A GB 3308964 A GB3308964 A GB 3308964A GB 1100724 A GB1100724 A GB 1100724A
Authority
GB
United Kingdom
Prior art keywords
pulp
bleaching
bed
liquids
aug
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
GB3308964A
Other languages
English (en)
Inventor
William Howard Rapson
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.)
Electric Reduction Company of Canada Ltd
Original Assignee
Electric Reduction Company of Canada 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
Priority to CA783483A priority Critical patent/CA783483A/en
Application filed by Electric Reduction Company of Canada Ltd filed Critical Electric Reduction Company of Canada Ltd
Priority to GB3308964A priority patent/GB1100724A/en
Priority to NO15907465A priority patent/NO122218B/no
Priority to DE1965E0029799 priority patent/DE1546246B2/de
Priority to FI186165A priority patent/FI44325C/fi
Priority to SE1019365A priority patent/SE306877B/xx
Priority to BE667857D priority patent/BE667857A/xx
Priority to JP4825865A priority patent/JPS4830963B1/ja
Priority to FR28014A priority patent/FR1443743A/fr
Publication of GB1100724A publication Critical patent/GB1100724A/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1031—Pulse, dynamic, displacement processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
GB3308964A 1964-08-13 1964-08-13 Improvements in the bleaching of pulp Expired GB1100724A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA783483A CA783483A (en) 1964-08-13 Processes for bleaching cellulosic pulps
GB3308964A GB1100724A (en) 1964-08-13 1964-08-13 Improvements in the bleaching of pulp
NO15907465A NO122218B (fi) 1964-08-13 1965-07-23
DE1965E0029799 DE1546246B2 (de) 1964-08-13 1965-07-29 Verfahren zum bleichen von faserigem material
FI186165A FI44325C (fi) 1964-08-13 1965-08-02 Menetelmä selluloosamassan valkaisemiseksi
SE1019365A SE306877B (fi) 1964-08-13 1965-08-04
BE667857D BE667857A (fi) 1964-08-13 1965-08-04
JP4825865A JPS4830963B1 (fi) 1964-08-13 1965-08-10
FR28014A FR1443743A (fr) 1964-08-13 1965-08-11 Procédé de blanchiment des pâtes cellulosiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3308964A GB1100724A (en) 1964-08-13 1964-08-13 Improvements in the bleaching of pulp

Publications (1)

Publication Number Publication Date
GB1100724A true GB1100724A (en) 1968-01-24

Family

ID=10348429

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3308964A Expired GB1100724A (en) 1964-08-13 1964-08-13 Improvements in the bleaching of pulp

Country Status (9)

Country Link
JP (1) JPS4830963B1 (fi)
BE (1) BE667857A (fi)
CA (1) CA783483A (fi)
DE (1) DE1546246B2 (fi)
FI (1) FI44325C (fi)
FR (1) FR1443743A (fi)
GB (1) GB1100724A (fi)
NO (1) NO122218B (fi)
SE (1) SE306877B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE400997B (sv) * 1972-12-15 1978-04-17 Erco Envirotech Ltd Sett for avlegsnande av natriumklorid ur regenererad vitlut
JPS5036368U (fi) * 1973-07-25 1975-04-16
JPS5038966U (fi) * 1973-08-02 1975-04-22
BR7506255A (pt) * 1974-09-27 1976-08-31 Erco Envirotech Ltd Processo para a producao de polpa alvejada
SE426607B (sv) * 1982-03-29 1983-01-31 Kamyr Ab Sett att behandla en massasuspension som er i rorelse lengs en bana medelst fortrengning av massans suspensionsvetska med en eller flera ersettningsvetskor
FI67891C (fi) * 1983-02-17 1985-06-10 Larox Ag Foerfarande foer behandling av den fraon en cellulosas kokningsprocess erhaollna cellulosan
US4915785A (en) * 1988-12-23 1990-04-10 C-I-L Inc. Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate
FI85513C (fi) * 1989-04-07 1992-04-27 Salomans Oy Foerfarande foer behandling av fibermassa med kemikalieloesning.

Also Published As

Publication number Publication date
FI44325C (fi) 1971-10-11
NO122218B (fi) 1971-06-01
DE1546246A1 (de) 1969-07-17
JPS4830963B1 (fi) 1973-09-26
BE667857A (fi) 1965-12-01
FI44325B (fi) 1971-06-30
SE306877B (fi) 1968-12-09
DE1546246B2 (de) 1976-10-07
CA783483A (en) 1968-04-23
FR1443743A (fr) 1966-06-24

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