PL287416A1 - Cellulosic pulp bleaching process using chlorine dioxide and chlorine - Google Patents

Cellulosic pulp bleaching process using chlorine dioxide and chlorine

Info

Publication number
PL287416A1
PL287416A1 PL28741690A PL28741690A PL287416A1 PL 287416 A1 PL287416 A1 PL 287416A1 PL 28741690 A PL28741690 A PL 28741690A PL 28741690 A PL28741690 A PL 28741690A PL 287416 A1 PL287416 A1 PL 287416A1
Authority
PL
Poland
Prior art keywords
chlorine
bleaching process
cellulosic pulp
pulp bleaching
chlorine dioxide
Prior art date
Application number
PL28741690A
Original Assignee
Univ North Carolina
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 Univ North Carolina filed Critical Univ North Carolina
Publication of PL287416A1 publication Critical patent/PL287416A1/en

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
PL28741690A 1989-10-19 1990-10-19 Cellulosic pulp bleaching process using chlorine dioxide and chlorine PL287416A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42408689A 1989-10-19 1989-10-19

Publications (1)

Publication Number Publication Date
PL287416A1 true PL287416A1 (en) 1991-08-12

Family

ID=23681388

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28741690A PL287416A1 (en) 1989-10-19 1990-10-19 Cellulosic pulp bleaching process using chlorine dioxide and chlorine

Country Status (7)

Country Link
EP (1) EP0496827A1 (en)
CN (1) CN1051951A (en)
AU (1) AU6730390A (en)
CA (1) CA2067750A1 (en)
PL (1) PL287416A1 (en)
WO (1) WO1991005910A1 (en)
ZA (1) ZA908340B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5850026A (en) 1996-07-03 1998-12-15 Cargill, Incorporated Canola oil having increased oleic acid and decreased linolenic acid content
CN1100177C (en) * 2000-07-20 2003-01-29 华南理工大学 High-temp ClO2 bleaching method of sulfated wood pulp
SE532370C2 (en) * 2008-02-28 2009-12-29 Metso Paper Inc Method of bleaching a pulp
US9057156B2 (en) 2010-12-22 2015-06-16 Skzo Nobel Chemicals International B.V. Process for improving chlorine dioxide bleaching of pulp
BR112015018492A2 (en) 2013-02-08 2017-07-18 Gp Cellulose Gmbh kraft fiber and method for making oxidized kraft pulp
FR3062138B1 (en) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses PROCESS FOR WHITENING A PAPER PULP
CN106958161B (en) * 2017-03-13 2018-06-01 广西大学 A kind of paper pulp high temperature ClO 2 bleaching section exhaust heat recovering method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433702A (en) * 1965-06-28 1969-03-18 Hooker Chemical Corp Woodpulp bleaching process
FR2432574A1 (en) * 1978-08-01 1980-02-29 Europeen Cellulose PROCESS FOR BLEACHING PAPER PULP

Also Published As

Publication number Publication date
AU6730390A (en) 1991-05-16
EP0496827A1 (en) 1992-08-05
CA2067750A1 (en) 1991-04-20
CN1051951A (en) 1991-06-05
ZA908340B (en) 1991-08-28
WO1991005910A1 (en) 1991-05-02

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