BR7506255A - Processo para a producao de polpa alvejada - Google Patents

Processo para a producao de polpa alvejada

Info

Publication number
BR7506255A
BR7506255A BR7506255A BR7506255A BR7506255A BR 7506255 A BR7506255 A BR 7506255A BR 7506255 A BR7506255 A BR 7506255A BR 7506255 A BR7506255 A BR 7506255A BR 7506255 A BR7506255 A BR 7506255A
Authority
BR
Brazil
Prior art keywords
production
pulp
targeted
targeted pulp
Prior art date
Application number
BR7506255A
Other languages
English (en)
Portuguese (pt)
Inventor
W Rapson
Original Assignee
Erco Envirotech 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 Erco Envirotech Ltd filed Critical Erco Envirotech Ltd
Publication of BR7506255A publication Critical patent/BR7506255A/pt

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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR7506255A 1974-09-27 1975-09-26 Processo para a producao de polpa alvejada BR7506255A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA210200 1974-09-27

Publications (1)

Publication Number Publication Date
BR7506255A true BR7506255A (pt) 1976-08-31

Family

ID=4101229

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7506255A BR7506255A (pt) 1974-09-27 1975-09-26 Processo para a producao de polpa alvejada

Country Status (2)

Country Link
BR (1) BR7506255A (https=)
FR (1) FR2286234A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA783483A (en) * 1964-08-13 1968-04-23 Electric Reduction Company Of Canada Processes for bleaching cellulosic pulps
SE400997B (sv) * 1972-12-15 1978-04-17 Erco Envirotech Ltd Sett for avlegsnande av natriumklorid ur regenererad vitlut

Also Published As

Publication number Publication date
AU8524475A (en) 1977-04-07
FR2286234A1 (fr) 1976-04-23
FR2286234B1 (https=) 1979-01-05

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