ATE90404T1 - Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon. - Google Patents

Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon.

Info

Publication number
ATE90404T1
ATE90404T1 AT88810034T AT88810034T ATE90404T1 AT E90404 T1 ATE90404 T1 AT E90404T1 AT 88810034 T AT88810034 T AT 88810034T AT 88810034 T AT88810034 T AT 88810034T AT E90404 T1 ATE90404 T1 AT E90404T1
Authority
AT
Austria
Prior art keywords
lignin
ozone
treatment
containing cellulose
cellulose mass
Prior art date
Application number
AT88810034T
Other languages
English (en)
Inventor
Horst H Prof-Dr Nimz
Alex Dipl-Ing Berg
Original Assignee
Acetocell Gmbh & Co Kg
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 Acetocell Gmbh & Co Kg filed Critical Acetocell Gmbh & Co Kg
Application granted granted Critical
Publication of ATE90404T1 publication Critical patent/ATE90404T1/de

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
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/16Bleaching ; Apparatus therefor with per compounds
    • D21C9/163Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT88810034T 1988-01-25 1988-01-25 Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon. ATE90404T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88810034A EP0325890B1 (de) 1988-01-25 1988-01-25 Verfahren zur Behandlung von Lignin enthaltender Cellulosemasse mit Ozon

Publications (1)

Publication Number Publication Date
ATE90404T1 true ATE90404T1 (de) 1993-06-15

Family

ID=8200568

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88810034T ATE90404T1 (de) 1988-01-25 1988-01-25 Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon.

Country Status (8)

Country Link
US (1) US5074960A (de)
EP (1) EP0325890B1 (de)
JP (1) JPH01221587A (de)
AT (1) ATE90404T1 (de)
BR (1) BR8900299A (de)
CA (1) CA1319472C (de)
DE (1) DE3881676D1 (de)
ES (1) ES2041828T3 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2053035C (en) * 1990-10-12 1997-09-30 Repap Enterprises Inc. Chlorine-free wood pulps and process of making
DE4107354C1 (de) * 1991-03-08 1992-11-05 Acetocell Gmbh & Co Kg, 7162 Gschwend, De
DE4107357C1 (de) * 1991-03-08 1992-11-05 Acetocell Gmbh & Co Kg, 7162 Gschwend, De
SE470234B (sv) * 1992-05-13 1993-12-13 Kamyr Ab Sätt vid blekning av cellulosahaltigt fibermaterial med ozon i närvaro av en organisk förening
JP3121917B2 (ja) * 1992-07-08 2001-01-09 住友重機械工業株式会社 オゾンによるパルプ漂白方法
DE4228171C2 (de) * 1992-08-25 1995-06-14 Kaemmerer Projekt Agentur Gmbh Verfahren zur Gewinnung von Zellstoffen
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US5411635A (en) * 1993-03-22 1995-05-02 The Research Foundation Of State University Of New York Ozone/peroxymonosulfate process for delignifying a lignocellulosic material
JP3312138B2 (ja) * 1998-12-02 2002-08-05 独立行政法人 森林総合研究所 木質板およびその製法
US6468953B1 (en) 2000-08-03 2002-10-22 Lynntech, Inc. Methods of preparing antimicrobial compositions comprising ozone
CA2427397A1 (en) * 2000-11-03 2002-05-10 Kemestrie Inc. Process for producing low dp microcrystalline cellulose
US20020107288A1 (en) * 2000-12-08 2002-08-08 Singh Waheguru Pal Methods of sterilizing with dipercarboxylic acids
WO2005064076A1 (fr) * 2003-12-25 2005-07-14 Xiuquan Mei Procede de reduction en pate par oxydation en cycle ferme sans rejet
US7824521B2 (en) * 2006-12-18 2010-11-02 University Of Maine System Board Of Trustees Process of treating a lignocellulosic material with hemicellulose pre-extraction and hemicellulose adsorption
US20100159521A1 (en) * 2008-12-19 2010-06-24 E. I. Du Pont De Nemours And Company Ozone treatment of biomass to enhance enzymatic saccharification
US8216809B2 (en) * 2008-12-19 2012-07-10 E I Du Pont De Nemours And Company Organic solvent pretreatment of biomass to enhance enzymatic saccharification
US20100159522A1 (en) * 2008-12-19 2010-06-24 E.I. De Pont De Nemours And Company Organosolv and ozone treatment of biomass to enhance enzymatic saccharification
WO2011073284A1 (en) * 2009-12-18 2011-06-23 Shell Internationale Research Maatschappij B.V. A process for the extraction of sugars and lignin from lignocellulose-comprising solid biomass
US9382282B2 (en) * 2011-09-09 2016-07-05 University Of Tennessee Research Foundation Metal catalyzed oxidation of lignin and related compounds
ES2384931B1 (es) * 2012-05-03 2013-03-20 Saica Pack, S.L. Procedimiento de obtención de celulosa nanodispersada a partir de papel recuperado
ES2386045B1 (es) * 2012-05-03 2013-04-18 Saica Pack, S.L. Procedimiento de obtención de celulosa nanofibrilada a partir de papel recuperado
FR3016359B1 (fr) * 2014-01-10 2022-04-29 Arkema France Compositions de peroxyde d'hydrogene pour la delignification de matiere vegetale et leurs utilisations
US10745335B2 (en) 2016-07-14 2020-08-18 University Of Kansas Continuous process for the ozonolysis of lignin to yield aromatic monomers
US12234329B2 (en) 2019-06-20 2025-02-25 University Of Kansas Methods for forming lignin prepolymers and lignin resins
DE102023115143A1 (de) 2023-06-09 2024-12-12 Frank MILETZKY Verfahren zur Herstellung von gebleichtem Zellstoff, gebleichter Zellstoff, sowie deren Verwendung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553076A (en) * 1968-01-22 1971-01-05 Weyerhaeuser Co Non-catalytic process for the production of cellulose from lignocellulosic materials using acetic acid
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
CA1090510A (en) * 1976-06-02 1980-12-02 Arthur W. Kempf Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4278477A (en) * 1980-03-19 1981-07-14 Amchem Products, Inc. Metal treatment
DE3445132A1 (de) * 1984-12-11 1986-06-12 Nimz, Horst H., Prof.Dr., 2050 Hamburg Holzaufschluss mit essigsaeure

Also Published As

Publication number Publication date
CA1319472C (en) 1993-06-29
US5074960A (en) 1991-12-24
ES2041828T3 (es) 1993-12-01
EP0325890B1 (de) 1993-06-09
EP0325890A1 (de) 1989-08-02
BR8900299A (pt) 1989-09-19
JPH01221587A (ja) 1989-09-05
DE3881676D1 (de) 1993-07-15

Similar Documents

Publication Publication Date Title
ATE90404T1 (de) Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon.
ATE251689T1 (de) Verfahren zur herstellung von zellstoff, lignin, zucker und essigsäure durch fraktionierung des lignocellulosematerials mittels ameisensäure und essigsäure
DE69009353D1 (de) Verfahren zur Behandlung von organischen Abwässern durch Methangärung.
ATE31753T1 (de) Verfahren zur behandlung von zellulosematerialien mit oxydativen mitteln.
ATE218532T1 (de) Behandlung von formaldehyd enthaltenden gemischen
JPS5349855A (en) Method of anaerobic digestion of organic waste matter
RU95107659A (ru) Способ очистки водной отвальной пульпы на предприятиях лесопромышленности
RU94045883A (ru) Способ получения целлюлозной массы
NO953397L (no) Fremgangsmåte og anlegg for fremstilling av celluloseavlut
SE9002039D0 (sv) Saett att framstaella massa
JPS5722695A (en) Pretreatment of cellulosic material
FR2415462B1 (de)
JPS5239960A (en) Method for treating stency sewage
JPS5238774A (en) Treatment of acidic or alkaline waste water containing miscellaneous s ubstances
DK147622C (da) Fremgangsmaade til rensning af en l-aspartyl-l-phenylalanin-alkylester for ildelugtende urenheder
SU516407A1 (ru) Способ стерилизации гомотрансплантатов тканей
ATE93223T1 (de) Verfahren zur herstellung von dihydroxynaphthalen.
ES8300783A1 (es) Procedimiento para la produccion de transplantados esclero- proteinicos de estabilidad biologica acrecentada
JPS5431960A (en) Method of dehydrating organic sludge
SE7901248L (sv) Sett for behandling av avloppsvatten fran massablekerier
JPS52131645A (en) Treatment method for waste water from processing fish or edible meat
ATE129636T1 (de) Verwendung von essentiellen fettsäuren zur herstellung eines medikaments zur behandlung von ekzemen.
JPS51125954A (en) Treating method of pulp digestion waste liquor
JPS51129887A (en) Process for producing deodorizer
SE8902722D0 (sv) Metod foer styrning av en alkalisk cellulosakokning

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee