SE8105552L - Forfarande vid delignifierande blekning av cellulosamassa - Google Patents

Forfarande vid delignifierande blekning av cellulosamassa

Info

Publication number
SE8105552L
SE8105552L SE8105552A SE8105552A SE8105552L SE 8105552 L SE8105552 L SE 8105552L SE 8105552 A SE8105552 A SE 8105552A SE 8105552 A SE8105552 A SE 8105552A SE 8105552 L SE8105552 L SE 8105552L
Authority
SE
Sweden
Prior art keywords
minutes
delignificating
cellulosamassa
white
procedure
Prior art date
Application number
SE8105552A
Other languages
Unknown language ( )
English (en)
Other versions
SE448006B (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 SE8105552A priority Critical patent/SE448006B/sv
Priority to US06/361,289 priority patent/US4897156A/en
Priority to CA000399743A priority patent/CA1180509A/en
Priority to AU83291/82A priority patent/AU551287B2/en
Priority to NZ200541A priority patent/NZ200541A/en
Priority to FI822259A priority patent/FI73751C/sv
Priority to DE19823225271 priority patent/DE3225271A1/de
Priority to JP57143979A priority patent/JPS5860085A/ja
Priority to NO823172A priority patent/NO160014C/no
Priority to AT0349782A priority patent/AT378379B/de
Priority to FR8215844A priority patent/FR2513280A1/fr
Publication of SE8105552L publication Critical patent/SE8105552L/sv
Publication of SE448006B publication Critical patent/SE448006B/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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)
  • Investigating Or Analysing Biological Materials (AREA)
SE8105552A 1981-09-21 1981-09-21 Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider SE448006B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8105552A SE448006B (sv) 1981-09-21 1981-09-21 Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider
US06/361,289 US4897156A (en) 1981-09-21 1982-03-24 Process for activating cellulose pulp with NO and/or NO2 and oxygen in the presence of nitric acid and then delignifying bleaching the activated cellulose pulp
CA000399743A CA1180509A (en) 1981-09-21 1982-03-30 Process for activating cellulose pulp with no and/or no.sub.2 and oxygen in the presence of nitric acid and then delignifying bleaching the activated cellulose pulp
AU83291/82A AU551287B2 (en) 1981-09-21 1982-05-05 Method for the delignifying bleaching of cellulose pulp
NZ200541A NZ200541A (en) 1981-09-21 1982-05-07 Method for delignifying cellulose pulp using nitrogen oxides,oxygen and nitric acid
FI822259A FI73751C (sv) 1981-09-21 1982-06-23 Förfarande vid delignifierande blekning av cellulosamassa.
DE19823225271 DE3225271A1 (de) 1981-09-21 1982-07-06 Verfahren zum delignifizierenden bleichen von cellulosehalbstoff
JP57143979A JPS5860085A (ja) 1981-09-21 1982-08-18 セルロ−スパルプの脱リグニン漂白方法
NO823172A NO160014C (no) 1981-09-21 1982-09-20 Fremgangsmaate ved delignifiserende bleking av cellulosemasse.
AT0349782A AT378379B (de) 1981-09-21 1982-09-20 Verfahren zur delignifizierenden bleiche von zellulosepulpe
FR8215844A FR2513280A1 (fr) 1981-09-21 1982-09-21 Procede de blanchiment de pate de cellulose par delignification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8105552A SE448006B (sv) 1981-09-21 1981-09-21 Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider

Publications (2)

Publication Number Publication Date
SE8105552L true SE8105552L (sv) 1983-03-22
SE448006B SE448006B (sv) 1987-01-12

Family

ID=20344584

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8105552A SE448006B (sv) 1981-09-21 1981-09-21 Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider

Country Status (11)

Country Link
US (1) US4897156A (sv)
JP (1) JPS5860085A (sv)
AT (1) AT378379B (sv)
AU (1) AU551287B2 (sv)
CA (1) CA1180509A (sv)
DE (1) DE3225271A1 (sv)
FI (1) FI73751C (sv)
FR (1) FR2513280A1 (sv)
NO (1) NO160014C (sv)
NZ (1) NZ200541A (sv)
SE (1) SE448006B (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE434283B (sv) * 1982-12-01 1984-07-16 Mo Och Domsjoe Ab Forfarande for delignifiering av cellulosamassa med kveveoxider och syrgas
US5456799A (en) * 1989-01-19 1995-10-10 Mo Och Domsjo Aktiebolag Method for controlling activation of lignocellulosic material in the presence of a nitrate containing liquid
SE462920B (sv) * 1989-01-19 1990-09-17 Mo Och Domsjoe Ab Foerfarande foer aktivering av cellulosamassa med kvaevedioxid innehaallande gas
FR2655668B1 (fr) * 1989-12-11 1995-06-09 Du Pin Cellulose Procede de blanchiment de pates cellulosiques chimiques.
DE4107354C1 (sv) * 1991-03-08 1992-11-05 Acetocell Gmbh & Co Kg, 7162 Gschwend, De
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
US5302244A (en) * 1992-02-18 1994-04-12 Domtar Inc. Oxygen delignification of waste cellulosic paper products
US5770010A (en) * 1995-04-20 1998-06-23 R-J Holding Company Pulping process employing nascent oxygen
US5814292A (en) * 1996-12-19 1998-09-29 Energy Research Group Comprehensive energy producing methods for aqueous phase oxidation
JP3633435B2 (ja) * 2000-04-10 2005-03-30 株式会社村田製作所 多層セラミック基板、その製造方法および設計方法、ならびに電子装置
CA2452145A1 (en) * 2003-06-03 2004-12-03 David Tarasenko Method for producing pulp and lignin
US8481800B2 (en) * 2009-04-01 2013-07-09 Earth Renewal Group, Llc Aqueous phase oxidation process
US9272936B2 (en) 2009-04-01 2016-03-01 Earth Renewal Group, Llc Waste treatment process
US8168847B2 (en) * 2009-04-01 2012-05-01 Earth Renewal Group, Llc Aqueous phase oxidation process
US7915474B2 (en) * 2009-04-01 2011-03-29 Earth Renewal Group, Llc Aqueous phase oxidation process
US7951988B2 (en) * 2009-04-01 2011-05-31 Earth Renewal Group, Llc Aqueous phase oxidation process
US8115047B2 (en) * 2009-04-01 2012-02-14 Earth Renewal Group, Llc Aqueous phase oxidation process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE220645C (sv) * 1909-12-22
FR876455A (fr) * 1940-12-23 1942-11-06 Papeteries Vincent Montgolfier Procédé d'amélioration de pâte à papier
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
SU487188A1 (ru) * 1973-10-26 1975-10-05 Украинский научно-исследовательский институт целлюлозно-бумажной промышленности Способ производства целлюлозы
SU642399A1 (ru) * 1974-03-11 1979-01-15 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Способ плучени целлюлозы
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
SE421938B (sv) * 1980-06-05 1982-02-08 Mo Och Domsjoe Ab Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning

Also Published As

Publication number Publication date
JPS6350467B2 (sv) 1988-10-07
FR2513280B1 (sv) 1985-01-04
AU551287B2 (en) 1986-04-24
FR2513280A1 (fr) 1983-03-25
SE448006B (sv) 1987-01-12
AU8329182A (en) 1983-03-31
ATA349782A (de) 1984-12-15
CA1180509A (en) 1985-01-08
FI822259L (fi) 1983-03-22
FI73751C (sv) 1987-11-09
DE3225271A1 (de) 1983-04-07
DE3225271C2 (sv) 1987-04-09
NO160014B (no) 1988-11-21
JPS5860085A (ja) 1983-04-09
NO160014C (no) 1989-03-01
AT378379B (de) 1985-07-25
US4897156A (en) 1990-01-30
FI822259A0 (fi) 1982-06-23
NO823172L (no) 1983-03-22
FI73751B (fi) 1987-07-31
NZ200541A (en) 1985-01-31

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