BE676663A - - Google Patents

Info

Publication number
BE676663A
BE676663A BE676663DA BE676663A BE 676663 A BE676663 A BE 676663A BE 676663D A BE676663D A BE 676663DA BE 676663 A BE676663 A BE 676663A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE676663A publication Critical patent/BE676663A/xx

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)
BE676663D 1965-02-23 1966-02-17 BE676663A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE676663A true BE676663A (enrdf_load_stackoverflow) 1966-07-18

Family

ID=23724985

Family Applications (1)

Application Number Title Priority Date Filing Date
BE676663D BE676663A (enrdf_load_stackoverflow) 1965-02-23 1966-02-17

Country Status (9)

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

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
US6899790B2 (en) * 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
US6627041B2 (en) * 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and 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
PT1828480E (pt) * 2004-12-21 2014-08-29 Hercules Inc Resinas catiónicas reactivas para aplicação como agentes de resistência à secura e à humidade em sistemas de fabricação de papel contendo iões de sulfito
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
ES322925A1 (es) 1966-11-16
GB1095280A (en) 1967-12-13
SE314580B (enrdf_load_stackoverflow) 1969-09-08
US3507743A (en) 1970-04-21
DE1546253A1 (de) 1970-04-30
DK109015C (da) 1968-03-04
NL6601601A (enrdf_load_stackoverflow) 1966-08-24
FI43809B (enrdf_load_stackoverflow) 1971-03-01

Similar Documents

Publication Publication Date Title
BE675324A (enrdf_load_stackoverflow)
AU6521265A (enrdf_load_stackoverflow)
BE675781A (enrdf_load_stackoverflow)
BE675820A (enrdf_load_stackoverflow)
BE660088A (enrdf_load_stackoverflow)
BE669135A (enrdf_load_stackoverflow)
BE669209A (enrdf_load_stackoverflow)
BE669842A (enrdf_load_stackoverflow)
BE670403A (enrdf_load_stackoverflow)
BE672671A (enrdf_load_stackoverflow)
BE672849A (enrdf_load_stackoverflow)
BE673244A (enrdf_load_stackoverflow)
BE673763A (enrdf_load_stackoverflow)
BE674419A (enrdf_load_stackoverflow)
BE674580A (enrdf_load_stackoverflow)
BE674633A (enrdf_load_stackoverflow)
BE674695A (enrdf_load_stackoverflow)
BE674722A (enrdf_load_stackoverflow)
BE674790A (enrdf_load_stackoverflow)
BE674821A (enrdf_load_stackoverflow)
BE674844A (enrdf_load_stackoverflow)
BE674851A (enrdf_load_stackoverflow)
BE674906A (enrdf_load_stackoverflow)
BE674908A (enrdf_load_stackoverflow)
BE674982A (enrdf_load_stackoverflow)