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BR8900299A - Processo para a separacao de lignina de massa de celulose,dispositivo para a realizacao do processo e massa de celulose preparada pelo processo - Google Patents

Processo para a separacao de lignina de massa de celulose,dispositivo para a realizacao do processo e massa de celulose preparada pelo processo

Info

Publication number
BR8900299A
BR8900299A BR898900299A BR8900299A BR8900299A BR 8900299 A BR8900299 A BR 8900299A BR 898900299 A BR898900299 A BR 898900299A BR 8900299 A BR8900299 A BR 8900299A BR 8900299 A BR8900299 A BR 8900299A
Authority
BR
Brazil
Prior art keywords
cellulose mass
lignin
separation
carrying
prepared
Prior art date
Application number
BR898900299A
Other languages
English (en)
Inventor
Horst H Nimz
Original Assignee
Kunz Holding Gmbh
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 Kunz Holding Gmbh filed Critical Kunz Holding Gmbh
Publication of BR8900299A publication Critical patent/BR8900299A/pt

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/163—Bleaching ; 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
BR898900299A 1988-01-25 1989-01-25 Processo para a separacao de lignina de massa de celulose,dispositivo para a realizacao do processo e massa de celulose preparada pelo processo BR8900299A (pt)

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
BR8900299A true BR8900299A (pt) 1989-09-19

Family

ID=8200568

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900299A BR8900299A (pt) 1988-01-25 1989-01-25 Processo para a separacao de lignina de massa de celulose,dispositivo para a realizacao do processo e massa de celulose preparada pelo processo

Country Status (8)

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

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 (pt) * 1991-03-08 1992-11-05 Acetocell Gmbh & Co Kg, 7162 Gschwend, De
DE4107357C1 (pt) * 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
EP1332255A1 (en) * 2000-11-03 2003-08-06 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
AU2003292884A1 (en) * 2003-12-25 2005-07-21 Xiuquan Mei Closed cycle zero discharge oxidizing pulping process
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
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
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
CA2784105A1 (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
ES2386045B1 (es) * 2012-05-03 2013-04-18 Saica Pack, S.L. Procedimiento de obtención de celulosa nanofibrilada a partir de papel recuperado
ES2384931B1 (es) * 2012-05-03 2013-03-20 Saica Pack, S.L. Procedimiento de obtención de celulosa nanodispersada 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
WO2018013796A1 (en) * 2016-07-14 2018-01-18 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
JPH01221587A (ja) 1989-09-05
EP0325890A1 (de) 1989-08-02
CA1319472C (en) 1993-06-29
ATE90404T1 (de) 1993-06-15
EP0325890B1 (de) 1993-06-09
ES2041828T3 (es) 1993-12-01
US5074960A (en) 1991-12-24
DE3881676D1 (de) 1993-07-15

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA2 Application deemed withdrawn (art. 19(5))