NO862116L - Tremassekloring under trykk og klorinnfoering i momentanbobler. - Google Patents

Tremassekloring under trykk og klorinnfoering i momentanbobler.

Info

Publication number
NO862116L
NO862116L NO862116A NO862116A NO862116L NO 862116 L NO862116 L NO 862116L NO 862116 A NO862116 A NO 862116A NO 862116 A NO862116 A NO 862116A NO 862116 L NO862116 L NO 862116L
Authority
NO
Norway
Prior art keywords
mixer
treatment
chlorine
pulp
chlorine gas
Prior art date
Application number
NO862116A
Other languages
English (en)
Other versions
NO168123C (no
NO168123B (no
Inventor
Michael I Sherman
Joseph R Phillips
Gordon Rowlandson
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of NO862116L publication Critical patent/NO862116L/no
Publication of NO168123B publication Critical patent/NO168123B/no
Publication of NO168123C publication Critical patent/NO168123C/no

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/12Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
NO862116A 1985-06-14 1986-05-28 Fremgangsmaate og apparat for behandling av finfordelt, fiberholdig cellulosemateriale med klorgass NO168123C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74467885A 1985-06-14 1985-06-14

Publications (3)

Publication Number Publication Date
NO862116L true NO862116L (no) 1986-12-15
NO168123B NO168123B (no) 1991-10-07
NO168123C NO168123C (no) 1992-01-15

Family

ID=24993592

Family Applications (1)

Application Number Title Priority Date Filing Date
NO862116A NO168123C (no) 1985-06-14 1986-05-28 Fremgangsmaate og apparat for behandling av finfordelt, fiberholdig cellulosemateriale med klorgass

Country Status (9)

Country Link
EP (1) EP0207062B1 (no)
JP (1) JPS61289192A (no)
AT (1) ATE48452T1 (no)
BR (1) BR8602738A (no)
CA (1) CA1276408C (no)
DE (1) DE3667310D1 (no)
FI (1) FI85728C (no)
NO (1) NO168123C (no)
SE (1) SE466459B (no)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US56833A (en) * 1866-07-31 Improvement in bleaching paper-stock
US1971241A (en) * 1933-04-01 1934-08-21 Pennsylvania Salt Mfg Co Method of chlorination
DE1621684A1 (de) * 1967-10-04 1971-07-08 Bellmer Geb Kg Maschf Maschinenkombination fuer die Leitungsstrecke in Zellstoffaufbereitungsanlagen
SE387671B (sv) * 1973-04-27 1976-09-13 Mo Och Domsjoe Ab Anordning for blekning av kompakt, icke fluffat vetskehaltigt lignocellulosamaterial med gasformiga blekmedel, foretredesvis syrgas

Also Published As

Publication number Publication date
JPS61289192A (ja) 1986-12-19
FI862082A (fi) 1986-12-15
FI85728B (fi) 1992-02-14
EP0207062A1 (en) 1986-12-30
NO168123C (no) 1992-01-15
SE8602592L (sv) 1986-12-15
NO168123B (no) 1991-10-07
DE3667310D1 (de) 1990-01-11
SE8602592D0 (sv) 1986-06-10
BR8602738A (pt) 1987-02-10
FI862082A0 (fi) 1986-05-19
FI85728C (fi) 1992-05-25
EP0207062B1 (en) 1989-12-06
CA1276408C (en) 1990-11-20
ATE48452T1 (de) 1989-12-15
SE466459B (sv) 1992-02-17

Similar Documents

Publication Publication Date Title
CA2012771A1 (en) Method of bleaching cellulose pulp with ozone
CA1334581C (en) Procedure for bleaching cellulose pulp involving the use of combined enzyme treatment and a bleaching process employing chlorine chemicals
DE69108712T2 (de) Ozonbleichen von Zellstoff mittlerer Konsistenz.
FI90888B (fi) Menetelmä selluloosamassan valkaisemiseksi
ATE54475T1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
NZ218294A (en) Dispersing and dissolving of a gas, such as oxygen, or gases in a pulp slurry for use in bleaching the pulp
MY117900A (en) Bleaching of pulp.
NO862116L (no) Tremassekloring under trykk og klorinnfoering i momentanbobler.
ES2000032A6 (es) Procedimiento enzimatico para el tratamient de pastas papeleras
FI62362B (fi) Ligninavlaegsning och blekning av lignocellulosamassa med ozon
DE59007258D1 (de) Verfahren zum Bleichen von cellulosehältigen Materialien sowie Anlage zur Durchführung des Verfahrens.
ES458434A1 (es) Procedimiento para la deslignificacion de material lignoce- lulosico.
NO973596D0 (no) Fremgangsmåte ved fremstilling av papirmasse
WO1992008842A3 (en) Method for producing dietary fibers from nonwoody lignocellulosic substrates by oxidation
RU2010068C1 (ru) Способ получения небеленой целлюлозы
RU92016575A (ru) Способ достижения улучшенной делигнификационной селективности небеленой волокнистой массы
CA2150385A1 (en) Method and apparatus for bleaching pulp
McKeown et al. Mixing characteristics of aerated stabilization basins
SU1258929A1 (ru) Состав дл изготовлени подпергамента
GB1455399A (en) Method for digesting wood
SU1564240A1 (ru) Способ приготовлени бисульфитного варочного раствора на натриевом основании
Lincoln et al. METHOD OF BLEACHING WOOD PULP
ES8606557A1 (es) Procedimiento para preparar pastas papeleras quimicas con vistas a su blanqueo
TH9978EX (th) กรรมวิธี 2 ขั้นตอนสำหรับการเอาลิกนินออกจากเส้นใยลิกโนเซลลูโลสโดยใช้ออกซิเจนที่เสริมกำชับด้วยเปอร์ออกไซด์ในขั้นตอนแรก