SE8602592D0 - Forfaringssett och apparat for klorgasbehandling av cellulosamaterial - Google Patents

Forfaringssett och apparat for klorgasbehandling av cellulosamaterial

Info

Publication number
SE8602592D0
SE8602592D0 SE8602592A SE8602592A SE8602592D0 SE 8602592 D0 SE8602592 D0 SE 8602592D0 SE 8602592 A SE8602592 A SE 8602592A SE 8602592 A SE8602592 A SE 8602592A SE 8602592 D0 SE8602592 D0 SE 8602592D0
Authority
SE
Sweden
Prior art keywords
mixer
treatment
pulp
chlorine gas
retention vessel
Prior art date
Application number
SE8602592A
Other languages
English (en)
Other versions
SE8602592L (sv
SE466459B (sv
Inventor
M I Sherman
J R Phillips
G 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 SE8602592D0 publication Critical patent/SE8602592D0/sv
Publication of SE8602592L publication Critical patent/SE8602592L/sv
Publication of SE466459B publication Critical patent/SE466459B/sv

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)
SE8602592A 1985-06-14 1986-06-10 Foerfarande och anordning foer klorering av cellulosamassa vid oevertryck SE466459B (sv)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8602592D0 true SE8602592D0 (sv) 1986-06-10
SE8602592L SE8602592L (sv) 1986-12-15
SE466459B SE466459B (sv) 1992-02-17

Family

ID=24993592

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8602592A SE466459B (sv) 1985-06-14 1986-06-10 Foerfarande och anordning foer klorering av cellulosamassa vid oevertryck

Country Status (9)

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

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
BR8602738A (pt) 1987-02-10
FI862082A0 (fi) 1986-05-19
FI85728C (sv) 1992-05-25
EP0207062B1 (en) 1989-12-06
NO862116L (no) 1986-12-15
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
DE69012931T2 (de) Verfahren zum Bleichen und zur Delignifizierung von lignozellulosehaltigen Materialien.
GB1489520A (en) Fluffed pulp and a method for producing same
DE69108712T2 (de) Ozonbleichen von Zellstoff mittlerer Konsistenz.
NZ218294A (en) Dispersing and dissolving of a gas, such as oxygen, or gases in a pulp slurry for use in bleaching the pulp
ATE54475T1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
ES8704569A1 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
SE8602592D0 (sv) Forfaringssett och apparat for klorgasbehandling av cellulosamaterial
SE9201441D0 (sv) A method for the use of enzymes in processing and bleaching of paper pulp, and apparatus for use thereof
NZ216726A (en) Use of lignin-degrading enzymes from phanerochaete chrysosporium for treatment of wood pulp and e1 effluent
ATE36565T1 (de) Peroxydbleichverfahren fuer cellulose enthaltendes material.
DE59705632D1 (de) Verfahren zur Herstellung von Papiermasse
JPS6485396A (en) Production of neutral paper
SU1258929A1 (ru) Состав дл изготовлени подпергамента
ES8205285A1 (es) Procedimiento y aparato para la deslignificacion continua con oxigeno de pulpas de consistencia media
RU2010068C1 (ru) Способ получения небеленой целлюлозы
RU92016575A (ru) Способ достижения улучшенной делигнификационной селективности небеленой волокнистой массы
JPS568466A (en) Fibrous top coating material
CA2150385A1 (en) Method and apparatus for bleaching pulp
GB1455399A (en) Method for digesting wood
Tajima et al. Improvement of strength, fracture toughness and reliability of engineering ceramics
ES8606557A1 (es) Procedimiento para preparar pastas papeleras quimicas con vistas a su blanqueo
TH9978EX (th) กรรมวิธี 2 ขั้นตอนสำหรับการเอาลิกนินออกจากเส้นใยลิกโนเซลลูโลสโดยใช้ออกซิเจนที่เสริมกำชับด้วยเปอร์ออกไซด์ในขั้นตอนแรก

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8602592-1

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8602592-1

Format of ref document f/p: F