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ES322925A1 - Procedimiento para blanquear reductivamente pulpas de madera de bajo contenido celulosico. - Google Patents

Procedimiento para blanquear reductivamente pulpas de madera de bajo contenido celulosico.

Info

Publication number
ES322925A1
ES322925A1 ES0322925A ES322925A ES322925A1 ES 322925 A1 ES322925 A1 ES 322925A1 ES 0322925 A ES0322925 A ES 0322925A ES 322925 A ES322925 A ES 322925A ES 322925 A1 ES322925 A1 ES 322925A1
Authority
ES
Spain
Prior art keywords
pulp
translation
machine
legally binding
google translate
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
ES0322925A
Other languages
English (en)
Spanish (es)
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 ES322925A1 publication Critical patent/ES322925A1/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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ES0322925A 1965-02-23 1966-02-11 Procedimiento para blanquear reductivamente pulpas de madera de bajo contenido celulosico. Expired ES322925A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43462765A 1965-02-23 1965-02-23

Publications (1)

Publication Number Publication Date
ES322925A1 true ES322925A1 (es) 1966-11-16

Family

ID=23724985

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0322925A Expired ES322925A1 (es) 1965-02-23 1966-02-11 Procedimiento para blanquear reductivamente pulpas de madera de bajo contenido celulosico.

Country Status (9)

Country Link
US (1) US3507743A (xx)
BE (1) BE676663A (xx)
DE (1) DE1546253A1 (xx)
DK (1) DK109015C (xx)
ES (1) ES322925A1 (xx)
FI (1) FI43809B (xx)
GB (1) GB1095280A (xx)
NL (1) NL6601601A (xx)
SE (1) SE314580B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002526A (en) * 1975-10-10 1977-01-11 International Paper Company Oxygen-alkali delignification of low consistency wood pulp
US4244780A (en) * 1979-11-15 1981-01-13 Nalco Chemical Company Use of thiourea dioxide in pulp bleaching processes to preserve pulp strength and aid in brightness
US4675076A (en) * 1986-10-01 1987-06-23 Ppg Industries, Inc. Method for brightening pulp
US5338402A (en) * 1987-05-25 1994-08-16 Societe Atochem Process for preparing a bleached chemithermomechanical pulp
US5958184A (en) * 1992-06-10 1999-09-28 Mitsubishi Gas Chemical Company Inc. Process for producing thiourea dioxide
FI105701B (fi) * 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
US6627041B2 (en) * 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
US6899790B2 (en) * 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
US6428653B1 (en) 2000-12-04 2002-08-06 West Fraser Timber Co. Ltd. Method of bleaching with formamidine sulfinic acid using a reducing agent to eliminate residual peroxide
AU2005319393B2 (en) * 2004-12-21 2010-09-02 Solenis Technologies Cayman, L.P. Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems
WO2025016539A1 (en) * 2023-07-18 2025-01-23 Basf Se Process for producing mechanical wood pulp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2071304A (en) * 1934-12-04 1937-02-16 Great Western Electro Chemical Co Process of manufacture of products of ground wood pulp

Also Published As

Publication number Publication date
US3507743A (en) 1970-04-21
FI43809B (xx) 1971-03-01
DK109015C (da) 1968-03-04
GB1095280A (en) 1967-12-13
SE314580B (xx) 1969-09-08
NL6601601A (xx) 1966-08-24
BE676663A (xx) 1966-07-18
DE1546253A1 (de) 1970-04-30

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