ES345665A1 - Procedimiento para desecar y blanquear simultaneamente pas-ta mecanica de madera. - Google Patents

Procedimiento para desecar y blanquear simultaneamente pas-ta mecanica de madera.

Info

Publication number
ES345665A1
ES345665A1 ES345665A ES345665A ES345665A1 ES 345665 A1 ES345665 A1 ES 345665A1 ES 345665 A ES345665 A ES 345665A ES 345665 A ES345665 A ES 345665A ES 345665 A1 ES345665 A1 ES 345665A1
Authority
ES
Spain
Prior art keywords
bleaching
hydrogen peroxide
wood pulp
weight
drying
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
ES345665A
Other languages
English (en)
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of ES345665A1 publication Critical patent/ES345665A1/es
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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ES345665A 1966-10-04 1967-10-02 Procedimiento para desecar y blanquear simultaneamente pas-ta mecanica de madera. Expired ES345665A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58407866A 1966-10-04 1966-10-04

Publications (1)

Publication Number Publication Date
ES345665A1 true ES345665A1 (es) 1968-11-16

Family

ID=24335850

Family Applications (1)

Application Number Title Priority Date Filing Date
ES345665A Expired ES345665A1 (es) 1966-10-04 1967-10-02 Procedimiento para desecar y blanquear simultaneamente pas-ta mecanica de madera.

Country Status (7)

Country Link
US (1) US3492199A (es)
CH (1) CH483518A (es)
DE (1) DE1621692A1 (es)
ES (1) ES345665A1 (es)
FR (1) FR1542837A (es)
NO (1) NO120217B (es)
SE (1) SE341519B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630828A (en) * 1968-05-13 1971-12-28 Pulp Paper Res Inst Bleaching of a low-density, substantially uncompacted, porous fluffed cellulosic pulp
OA03094A (fr) * 1968-07-11 1970-12-15 P P I South African Pulp And P Perfectionnements à la délignification et au blanchiment des pâtes de cellulose avec l'oxygène gazeux.
US3650887A (en) * 1969-04-21 1972-03-21 Kimberly Clark Co Wood pulp bleaching process utilizing peroxide-silicate bleaching solution
CA902861A (en) * 1969-11-27 1972-06-20 Pulp And Paper Research Institute Of Canada Bleaching of cellulosic pulp
US3627630A (en) * 1969-12-04 1971-12-14 Beloit Corp Method of flash drying pulp
US4022965A (en) * 1975-01-13 1977-05-10 Crown Zellerbach Corporation Process for producing reactive, homogeneous, self-bondable lignocellulose fibers
SE432118B (sv) * 1975-02-26 1984-03-19 Moelnlycke Ab Mekanisk fluffmassa och sett for framstellning derav
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
SE519462C2 (sv) * 2001-06-21 2003-03-04 Holmen Ab Förfarande för framställning av blekt termomekanisk massa (TMP) eller blekt kemitermomekanisk massa (CTMP)
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2492047A (en) * 1946-03-30 1949-12-20 Du Pont Bleaching wood pulp
US3055795A (en) * 1957-09-09 1962-09-25 Bauer Bros Co Handling of paper pulp
SE317864B (es) * 1963-10-05 1969-11-24 Svenska Cellulosa Ab

Also Published As

Publication number Publication date
DE1621692A1 (de) 1971-06-03
CH483518A (de) 1969-12-31
SE341519B (es) 1971-12-27
US3492199A (en) 1970-01-27
FR1542837A (fr) 1968-10-18
NO120217B (es) 1970-09-14

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