NO930307D0 - Fremgangsmaate for delignifiering av uforedlet cellulose - Google Patents

Fremgangsmaate for delignifiering av uforedlet cellulose

Info

Publication number
NO930307D0
NO930307D0 NO1993930307A NO930307A NO930307D0 NO 930307 D0 NO930307 D0 NO 930307D0 NO 1993930307 A NO1993930307 A NO 1993930307A NO 930307 A NO930307 A NO 930307A NO 930307 D0 NO930307 D0 NO 930307D0
Authority
NO
Norway
Prior art keywords
delignifying
raw cellulose
procedure
cellulose
unprocessed cellulose
Prior art date
Application number
NO1993930307A
Other languages
English (en)
Other versions
NO930307L (no
NO300511B1 (no
Inventor
Fausto Marzolini
Giulio Calmanti
Gianpiero Sacchi
Original Assignee
Ausimont Spa
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 Ausimont Spa filed Critical Ausimont Spa
Publication of NO930307D0 publication Critical patent/NO930307D0/no
Publication of NO930307L publication Critical patent/NO930307L/no
Publication of NO300511B1 publication Critical patent/NO300511B1/no

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • External Artificial Organs (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
NO930307A 1992-01-31 1993-01-29 Fremgangsmåte for delignifisering av cellulosemasse NO300511B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI920192A IT1258844B (it) 1992-01-31 1992-01-31 Procedimento per la delignificazione di cellulosa grezza

Publications (3)

Publication Number Publication Date
NO930307D0 true NO930307D0 (no) 1993-01-29
NO930307L NO930307L (no) 1993-08-02
NO300511B1 NO300511B1 (no) 1997-06-09

Family

ID=11361763

Family Applications (1)

Application Number Title Priority Date Filing Date
NO930307A NO300511B1 (no) 1992-01-31 1993-01-29 Fremgangsmåte for delignifisering av cellulosemasse

Country Status (15)

Country Link
US (1) US5587049A (no)
EP (1) EP0553649B1 (no)
JP (1) JP3325324B2 (no)
AT (1) ATE143073T1 (no)
CA (1) CA2088281A1 (no)
CZ (1) CZ282570B6 (no)
DE (1) DE69304723T2 (no)
FI (1) FI111386B (no)
HR (1) HRP930060B1 (no)
HU (1) HU216143B (no)
IT (1) IT1258844B (no)
NO (1) NO300511B1 (no)
PL (1) PL181248B1 (no)
SI (1) SI9300044B (no)
SK (1) SK281308B6 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19704054C2 (de) * 1997-02-04 2000-08-10 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung von Faserstoffen mit verbesserten Eigenschaften
TR200201034T2 (tr) * 1999-10-15 2002-08-21 Cargill Incorporated Bitki tohumlarından yapılan fiberler ve kullanımları
SE525064C2 (sv) * 2003-04-17 2004-11-23 Kvaerner Pulping Tech Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa
JP4967451B2 (ja) 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
JP4997905B2 (ja) * 2006-10-10 2012-08-15 三菱瓦斯化学株式会社 印刷用塗被紙の製造方法
CN115044178B (zh) * 2022-05-05 2023-05-26 保定盖尔医疗科技有限公司 一种香蒲草长纤维/聚乳酸复合材料及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404061A (en) * 1981-08-17 1983-09-13 International Paper Company Bleaching of lignocellulosic materials with monopersulfuric acid or its salts
US4552616A (en) * 1982-10-20 1985-11-12 New Fibers International Inc. Pulping process pretreatment using a lower alkanolamine in the presence of ammonium hydroxide
US5004523A (en) * 1989-03-30 1991-04-02 The United States Of America As Represented By The Secretary Of Agriculture Delignification of lignocellulosic materials with monoperoxysulfuric acid
FI82079C (fi) * 1989-04-27 1993-05-11 Poeyry Jaakko & Co Oy Foerfarande och anordning foer kontinuerlig kokning av cellulosa
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
US5118389A (en) * 1990-07-06 1992-06-02 Ici Canada Inc. Two-stage peroxide bleaching process using different amounts of peroxide on different portions of mechanical pulp

Also Published As

Publication number Publication date
ITMI920192A1 (it) 1993-07-31
JPH05247866A (ja) 1993-09-24
PL297562A1 (en) 1993-08-23
HU9300246D0 (en) 1993-09-28
CZ10893A3 (en) 1994-02-16
SK281308B6 (sk) 2001-02-12
CZ282570B6 (cs) 1997-08-13
IT1258844B (it) 1996-02-29
DE69304723T2 (de) 1997-01-30
PL181248B1 (pl) 2001-06-29
JP3325324B2 (ja) 2002-09-17
SK4793A3 (en) 1993-09-09
HU216143B (hu) 1999-04-28
EP0553649A1 (en) 1993-08-04
EP0553649B1 (en) 1996-09-18
DE69304723D1 (de) 1996-10-24
ITMI920192A0 (it) 1992-01-31
FI930412L (fi) 1993-08-01
NO930307L (no) 1993-08-02
HUT67451A (en) 1995-04-28
HRP930060B1 (en) 1999-06-30
CA2088281A1 (en) 1993-08-01
FI111386B (fi) 2003-07-15
FI930412A0 (fi) 1993-01-29
US5587049A (en) 1996-12-24
ATE143073T1 (de) 1996-10-15
SI9300044B (en) 2001-02-28
HRP930060A2 (en) 1994-08-31
NO300511B1 (no) 1997-06-09
SI9300044A (en) 1993-09-30

Similar Documents

Publication Publication Date Title
DE3782602D1 (de) Verfahren zur behandlung einer papierpulpe mit einer enzymatischen loesung.
ATE98713T1 (de) Verfahren zur herstellung von lignocellulosepulpe.
LV10516A (lv) Panemiens halogenaizvietoto savienojumu satura pazeminasanai atstradataja sarma
CA2160430A1 (en) Method of treating cellulose pulps
NO163910C (no) Fremgangsmaate ved regulering av oxygenblekningsprosess for cellulose.
NO930307D0 (no) Fremgangsmaate for delignifiering av uforedlet cellulose
MY132667A (en) Process for the bleaching of pulp
ATE112595T1 (de) Verfahren zur herstellung von aufschlusslösungen mit hoher sulfidität für das kochen von sulfatpulpe.
DE69009750D1 (de) Bleichverfahren zur herstellung von hochweissem zellstoff.
ATA38488A (de) Verfahren zur behandlung von zellulosefasern sowie faserzementprodukte und mischungen zu ihrer herstellung
ATE153399T1 (de) Verfahren zum herstellen von natriumhydroxyd aus weisslauge
DE3851565D1 (de) Verfahren zur Herstellung von Hemicellulosehydrolysat und einem speziellen Zellstoff.
SE9500926D0 (sv) Förfarande för blekning av massa
DE3674859D1 (de) Verfahren zur delignifizierung von zellulosematerialien.
RU95117250A (ru) Способ регенерации химикатов из парогазовых выбросов сульфатного производства целлюлозы
SE8800152L (sv) Forfarande for forblekning av kemisk cellulosamassa
RO96310A2 (ro) Procedeu pentru tratarea fibrelor keratinice

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees