SE451149B - Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre - Google Patents

Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre

Info

Publication number
SE451149B
SE451149B SE8300388A SE8300388A SE451149B SE 451149 B SE451149 B SE 451149B SE 8300388 A SE8300388 A SE 8300388A SE 8300388 A SE8300388 A SE 8300388A SE 451149 B SE451149 B SE 451149B
Authority
SE
Sweden
Prior art keywords
chamber
gas
oxygen
initial reaction
reaction chamber
Prior art date
Application number
SE8300388A
Other languages
English (en)
Swedish (sv)
Other versions
SE8300388L (sv
SE8300388D0 (sv
Inventor
H O Samuelson
Original Assignee
Mo Och Domsjoe Ab
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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Priority to SE8300388A priority Critical patent/SE451149B/sv
Publication of SE8300388D0 publication Critical patent/SE8300388D0/xx
Priority to AU23081/84A priority patent/AU561037B2/en
Priority to NZ206783A priority patent/NZ206783A/en
Priority to FI840168A priority patent/FI73747C/fi
Priority to DE19843402490 priority patent/DE3402490A1/de
Priority to AT0024584A priority patent/AT384632B/de
Priority to NO840278A priority patent/NO164046C/no
Priority to JP59011794A priority patent/JPS59137585A/ja
Priority to CA000446109A priority patent/CA1232785A/en
Priority to FR8401172A priority patent/FR2539771B1/fr
Publication of SE8300388L publication Critical patent/SE8300388L/
Priority to US07/021,954 priority patent/US4762591A/en
Publication of SE451149B publication Critical patent/SE451149B/sv

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
SE8300388A 1983-01-26 1983-01-26 Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre SE451149B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8300388A SE451149B (sv) 1983-01-26 1983-01-26 Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre
AU23081/84A AU561037B2 (en) 1983-01-26 1984-01-04 Treating lignocellulosic materials
NZ206783A NZ206783A (en) 1983-01-26 1984-01-09 Apparatus for treating lignocellulosic material with a nitrogen oxide and oxygen
FI840168A FI73747C (fi) 1983-01-26 1984-01-17 Apparatur foer behandling av lignocellulosamaterial med kvaeveoxid och syre.
JP59011794A JPS59137585A (ja) 1983-01-26 1984-01-25 リグノセルロ−ス材料を酸化窒素および酸素で処理するための装置
DE19843402490 DE3402490A1 (de) 1983-01-26 1984-01-25 Vorrichtung zur kontinuierlichen behandlung eines wasserhaltigen lignocellulosematerials
AT0024584A AT384632B (de) 1983-01-26 1984-01-25 Vorrichtung zur behandlung von lignocellulosematerial mit einem stickstoffoxid und sauerstoff
NO840278A NO164046C (no) 1983-01-26 1984-01-25 Apparatur for behandling av lignocellulosematerialer med nitrogenoxyd og oxygen.
CA000446109A CA1232785A (en) 1983-01-26 1984-01-26 Apparatus for treating lignocellulosic material with a gas phase
FR8401172A FR2539771B1 (fr) 1983-01-26 1984-01-26 Appareil pour le traitement de matiere lignocellulosique par un oxyde d'azote et par l'oxygene
US07/021,954 US4762591A (en) 1983-01-26 1987-03-05 Apparatus for reacting lignocellulosic material with a gas phase comprising a nitrogen oxide and oxygen under controlled gas pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8300388A SE451149B (sv) 1983-01-26 1983-01-26 Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre

Publications (3)

Publication Number Publication Date
SE8300388D0 SE8300388D0 (sv) 1983-01-26
SE8300388L SE8300388L (sv) 1984-07-27
SE451149B true SE451149B (sv) 1987-09-07

Family

ID=20349765

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8300388A SE451149B (sv) 1983-01-26 1983-01-26 Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre

Country Status (11)

Country Link
US (1) US4762591A (de)
JP (1) JPS59137585A (de)
AT (1) AT384632B (de)
AU (1) AU561037B2 (de)
CA (1) CA1232785A (de)
DE (1) DE3402490A1 (de)
FI (1) FI73747C (de)
FR (1) FR2539771B1 (de)
NO (1) NO164046C (de)
NZ (1) NZ206783A (de)
SE (1) SE451149B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451023B (sv) * 1985-12-10 1987-08-24 Mo Och Domsjoe Ab Forfarande vid aktivering av lignocellulosamaterial med kvevedioxid innehallande gas
SE462567B (sv) * 1988-11-25 1990-07-16 Sunds Defibrator Ind Ab Anordning foer kontinuerlig behandling av cellulosamassa med en aktiveringskemikalie
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
DE4203923A1 (de) * 1992-02-11 1993-08-12 Henkel Kgaa Verfahren zur herstellung von polycarboxylaten auf polysaccharid-basis
CA2197190A1 (en) * 1994-08-11 1996-02-22 Lewis D. Shackford Means for gas-sealingly conveying shredded pulp
US6261218B1 (en) * 1998-12-01 2001-07-17 The Dow Chemical Company Process and apparatus for making low molecular weight cellulose ethers
JP3611796B2 (ja) * 2001-02-28 2005-01-19 松下電器産業株式会社 超音波送受波器、超音波送受波器の製造方法及び超音波流量計

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR964386A (de) * 1950-08-11
US1643566A (en) * 1925-10-16 1927-09-27 Thorne Carl Busch Process for bleaching and the like purposes
DE1252597B (de) * 1955-01-24 1967-10-19 Sterling Diug Inc New York NY (V St A) Verfahren zum Behandeln von dispergierte, oxydierbare, organische und gegebenenfalls anorganische Stoffe enthaltenden Abwassern und Vorrichtung zur Durchfuhrung des Verfahrens
US3525665A (en) * 1965-10-22 1970-08-25 Lummus Co Method of transferring impregnated wood chips from an impregnating vessel to a digester
US4076579A (en) * 1973-08-06 1978-02-28 The Regents Of The University Of California Pulping of lignocellulosic material by sequential treatment thereof with nitric oxide and oxygen
US4087318A (en) * 1974-03-14 1978-05-02 Mo Och Domsjo Aktiebolag Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound
US3951733A (en) * 1974-11-06 1976-04-20 International Paper Company Delignification and bleaching of wood pulp with oxygen
US4283251A (en) * 1980-01-24 1981-08-11 Scott Paper Company Ozone effluent bleaching
SE441192B (sv) * 1980-05-27 1985-09-16 Mo Och Domsjoe Ab Forfarande for delignifiering av kemisk cellulosamassa med syrgas i nervaro av ett eller flera neutralisationsmedel
SE421938B (sv) * 1980-06-05 1982-02-08 Mo Och Domsjoe Ab Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning
US4384920A (en) * 1981-04-06 1983-05-24 The Black Clawson Company Method and apparatus for oxygen delignification
DE3213856C2 (de) * 1982-04-15 1984-05-10 Mo och Domsjö AB, 89191 Örnsköldsvik Verfahren zum Delignifizieren eines chemisch hergestellten Cellulosehalbstoffes

Also Published As

Publication number Publication date
NZ206783A (en) 1987-04-30
DE3402490C2 (de) 1989-11-02
CA1232785A (en) 1988-02-16
JPH0156196B2 (de) 1989-11-29
JPS59137585A (ja) 1984-08-07
NO840278L (no) 1984-07-27
NO164046C (no) 1990-08-22
FI73747C (fi) 1987-11-09
FR2539771B1 (fr) 1986-09-05
ATA24584A (de) 1987-05-15
DE3402490A1 (de) 1984-07-26
AU2308184A (en) 1984-08-02
AT384632B (de) 1987-12-10
SE8300388L (sv) 1984-07-27
AU561037B2 (en) 1987-04-30
NO164046B (no) 1990-05-14
SE8300388D0 (sv) 1983-01-26
FR2539771A1 (fr) 1984-07-27
FI840168A0 (fi) 1984-01-17
FI73747B (fi) 1987-07-31
FI840168A (fi) 1984-07-27
US4762591A (en) 1988-08-09

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