SE421938B - Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning - Google Patents

Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning

Info

Publication number
SE421938B
SE421938B SE8004184A SE8004184A SE421938B SE 421938 B SE421938 B SE 421938B SE 8004184 A SE8004184 A SE 8004184A SE 8004184 A SE8004184 A SE 8004184A SE 421938 B SE421938 B SE 421938B
Authority
SE
Sweden
Prior art keywords
pulp
oxygen
activation
amount
cellulose
Prior art date
Application number
SE8004184A
Other languages
English (en)
Swedish (sv)
Other versions
SE8004184L (no
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 SE8004184A priority Critical patent/SE421938B/sv
Priority to NZ197165A priority patent/NZ197165A/xx
Priority to JP8555281A priority patent/JPS5725490A/ja
Priority to US06/270,438 priority patent/US4439271A/en
Priority to AU71364/81A priority patent/AU547231B2/en
Priority to NO811906A priority patent/NO156795C/no
Priority to FI811738A priority patent/FI69135C/fi
Priority to DE3122297A priority patent/DE3122297C2/de
Priority to AT0251581A priority patent/AT375693B/de
Priority to CA000379102A priority patent/CA1167207A/en
Priority to FR8111138A priority patent/FR2483972A1/fr
Publication of SE8004184L publication Critical patent/SE8004184L/
Publication of SE421938B publication Critical patent/SE421938B/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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE8004184A 1980-06-05 1980-06-05 Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning SE421938B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8004184A SE421938B (sv) 1980-06-05 1980-06-05 Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning
NZ197165A NZ197165A (en) 1980-06-05 1981-05-21 Oxygen gas bleaching of pulps activated by no2/no mixture
JP8555281A JPS5725490A (en) 1980-06-05 1981-06-03 Bleaching of cellulose pulp by oxygen gas
US06/270,438 US4439271A (en) 1980-06-05 1981-06-04 Process for the oxygen bleaching of cellulose pulp
AU71364/81A AU547231B2 (en) 1980-06-05 1981-06-04 Oxygen bleaching cellulose pulp
NO811906A NO156795C (no) 1980-06-05 1981-06-04 Fremgangsmaate ved delignifisering av cellulosemasse fremstilt ved kjemisk oppslutning av lignocelluloseholdig materiale.
FI811738A FI69135C (fi) 1980-06-05 1981-06-04 Foerfarande foer syrgasblekning av cellulosamassa
DE3122297A DE3122297C2 (de) 1980-06-05 1981-06-04 Verfahren zur Ligninentfernung aus chemischen Zellstoffpulpen
AT0251581A AT375693B (de) 1980-06-05 1981-06-04 Verfahren zum delignifizieren von zellulose -zellstoff
CA000379102A CA1167207A (en) 1980-06-05 1981-06-05 Process for the oxygen bleaching of cellulose pulp
FR8111138A FR2483972A1 (fr) 1980-06-05 1981-06-05 Procede de blanchissement au gaz oxygene de pate de cellulose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8004184A SE421938B (sv) 1980-06-05 1980-06-05 Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning

Publications (2)

Publication Number Publication Date
SE8004184L SE8004184L (no) 1981-12-06
SE421938B true SE421938B (sv) 1982-02-08

Family

ID=20341137

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8004184A SE421938B (sv) 1980-06-05 1980-06-05 Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning

Country Status (11)

Country Link
US (1) US4439271A (no)
JP (1) JPS5725490A (no)
AT (1) AT375693B (no)
AU (1) AU547231B2 (no)
CA (1) CA1167207A (no)
DE (1) DE3122297C2 (no)
FI (1) FI69135C (no)
FR (1) FR2483972A1 (no)
NO (1) NO156795C (no)
NZ (1) NZ197165A (no)
SE (1) SE421938B (no)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448006B (sv) * 1981-09-21 1987-01-12 Mo Och Domsjoe Ab Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider
DE3213856C2 (de) * 1982-04-15 1984-05-10 Mo och Domsjö AB, 89191 Örnsköldsvik Verfahren zum Delignifizieren eines chemisch hergestellten Cellulosehalbstoffes
SE434283B (sv) * 1982-12-01 1984-07-16 Mo Och Domsjoe Ab Forfarande for delignifiering av cellulosamassa med kveveoxider och syrgas
SE451149B (sv) * 1983-01-26 1987-09-07 Mo Och Domsjoe Ab Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre
SE452176B (sv) * 1984-03-28 1987-11-16 Mo Och Domsjoe Ab Forfarande for framstellning av kveveoxider ur avlutar fran cellulosamassatillverkning
SE451023B (sv) * 1985-12-10 1987-08-24 Mo Och Domsjoe Ab Forfarande vid aktivering av lignocellulosamaterial med kvevedioxid innehallande gas
SE460543B (sv) * 1987-09-28 1989-10-23 Mo Och Domsjoe Ab Foerfarande vid aktivering av lignocellulosamaterial med kvaevedioxid innehaallande gas
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5217574A (en) * 1989-02-15 1993-06-08 Union Camp Patent Holdings Inc. Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp
US5085734A (en) * 1989-02-15 1992-02-04 Union Camp Patent Holding, Inc. Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
DE4203923A1 (de) * 1992-02-11 1993-08-12 Henkel Kgaa Verfahren zur herstellung von polycarboxylaten auf polysaccharid-basis
US5554259A (en) * 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration
CA2452145A1 (en) * 2003-06-03 2004-12-03 David Tarasenko Method for producing pulp and lignin
CN104389221B (zh) * 2009-08-05 2017-11-03 国际纸业公司 用于施加包含阳离子三价金属和解胶剂的组合物的方法以及由该方法制造的绒毛浆片材
US8535482B2 (en) 2009-08-05 2013-09-17 International Paper Company Dry fluff pulp sheet additive
MY162376A (en) * 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
CN103003489B (zh) 2010-07-20 2016-01-20 国际纸业公司 包含多价阳离子型金属和含胺抗静电剂的组合物及制造和使用方法
US8871054B2 (en) 2010-07-22 2014-10-28 International Paper Company Process for preparing fluff pulp sheet with cationic dye and debonder surfactant
CN111344455B (zh) * 2017-09-11 2022-10-28 索理思科技公司 用于增强化学木浆的氧脱木质素的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU419593A1 (ru) * 1971-11-30 1974-03-15 Г. Л. Аким , В. М. Никитин Способ отбелки целлюлозы
FR2158873A5 (en) * 1972-10-09 1973-06-15 Bourit Jean Pierre Bleaching of wood cellulose - using nitrogen oxides
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
GB1505070A (en) * 1974-06-11 1978-03-22 Canadian Ind Process for bleaching of lignocellulosic material
CA1070909A (en) * 1976-05-04 1980-02-05 Canadian Industries Limited Nitrogen dioxide-oxygen delignification

Also Published As

Publication number Publication date
NO156795C (no) 1987-11-25
AT375693B (de) 1984-08-27
DE3122297A1 (de) 1982-04-01
DE3122297C2 (de) 1984-04-12
AU547231B2 (en) 1985-10-10
JPS6350465B2 (no) 1988-10-07
AU7136481A (en) 1981-12-10
US4439271A (en) 1984-03-27
NO811906L (no) 1981-12-07
FR2483972A1 (fr) 1981-12-11
NZ197165A (en) 1983-09-30
FI69135B (fi) 1985-08-30
FR2483972B1 (no) 1983-10-28
CA1167207A (en) 1984-05-15
FI811738L (fi) 1981-12-06
ATA251581A (de) 1984-01-15
FI69135C (fi) 1985-12-10
NO156795B (no) 1987-08-17
JPS5725490A (en) 1982-02-10
SE8004184L (no) 1981-12-06

Similar Documents

Publication Publication Date Title
SE421938B (sv) Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning
US3759783A (en) Process for bleaching cellulose pulp with alkali and oxygen gas utilizing waste bleaching liquor from an alka line oxygen gas bleaching stage
EP0034219B2 (de) Verfahren zur Bleiche von Zellstoffen mittels organischer Persäure
US4244778A (en) Process for the chemical refining of cellulose pulp
US5074960A (en) Lignin removal method using ozone and acetic acid
CN106638085B (zh) 一种卫生、文化、医疗用纸纸浆的制造方法
US3843473A (en) Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
JPH08511308A (ja) リグノセルロース材料を脱リグニン化する改良されたオゾン／過酸法
US4004967A (en) Bleaching cellulose pulp with oxygen in the presence of formaldehyde
DE4107354C1 (no)
JP3325324B2 (ja) 粗セルロースの脱リグニン化方法
CA1039908A (en) Process for the delignification of lignocellulosic material
US1557338A (en) Method of producing half stuffs and cellulose
US4750973A (en) Process for reducing carbohydrate losses in the sulfate pulping of wood by pretreating the wood with oxygen and nitrogen oxides
US2947657A (en) Extraction of cellulose from vegetable matter
JPH09502229A (ja) リグノセルロースパルプの改良漂白方法
US2001268A (en) Pulp treating process
US4445969A (en) Process for the delignifying bleaching of cellulose pulp by activating the pulp with NO2 and oxygen
JP2895977B2 (ja) リグノセルロース材料の漂白方法
SU1587095A1 (ru) Способ получени беленой целлюлозы дл химической переработки
US1792009A (en) Process for the production of cellulose
SU1035110A1 (ru) Способ получени целлюлозы
NO821525L (no) Fremgangsmaate ved kjemisk fremstilling av cellulose.
SU1341305A1 (ru) Варочный раствор дл получени волокнистого целлюлозосодержащего полуфабриката
FI70056C (fi) Foerfarande foer delignifiering av cellulosamassa

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8004184-1

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8004184-1

Format of ref document f/p: F