FI44325C - Menetelmä selluloosamassan valkaisemiseksi - Google Patents

Menetelmä selluloosamassan valkaisemiseksi

Info

Publication number
FI44325C
FI44325C FI186165A FI186165A FI44325C FI 44325 C FI44325 C FI 44325C FI 186165 A FI186165 A FI 186165A FI 186165 A FI186165 A FI 186165A FI 44325 C FI44325 C FI 44325C
Authority
FI
Finland
Prior art keywords
cellulose pulp
bleaching cellulose
bleaching
pulp
cellulose
Prior art date
Application number
FI186165A
Other languages
English (en)
Finnish (fi)
Other versions
FI44325B (pm
Inventor
Rapson William Howard
Original Assignee
Electric Reduction Co
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 Electric Reduction Co filed Critical Electric Reduction Co
Application granted granted Critical
Publication of FI44325B publication Critical patent/FI44325B/fi
Publication of FI44325C publication Critical patent/FI44325C/fi

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)
FI186165A 1964-08-13 1965-08-02 Menetelmä selluloosamassan valkaisemiseksi FI44325C (fi)

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 (2)

Publication Number Publication Date
FI44325B FI44325B (pm) 1971-06-30
FI44325C true FI44325C (fi) 1971-10-11

Family

ID=10348429

Family Applications (1)

Application Number Title Priority Date Filing Date
FI186165A FI44325C (fi) 1964-08-13 1965-08-02 Menetelmä selluloosamassan valkaisemiseksi

Country Status (9)

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

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 (pm) * 1973-07-25 1975-04-16
JPS5038966U (pm) * 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
FR1443743A (fr) 1966-06-24
JPS4830963B1 (pm) 1973-09-26
CA783483A (en) 1968-04-23
GB1100724A (en) 1968-01-24
NO122218B (pm) 1971-06-01
DE1546246B2 (de) 1976-10-07
FI44325B (pm) 1971-06-30
DE1546246A1 (de) 1969-07-17
BE667857A (pm) 1965-12-01
SE306877B (pm) 1968-12-09

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