BR9611836A - Deslignificação de oxigênio de pasta fluida de poupa de consistência média - Google Patents

Deslignificação de oxigênio de pasta fluida de poupa de consistência média

Info

Publication number
BR9611836A
BR9611836A BR9611836A BR9611836A BR9611836A BR 9611836 A BR9611836 A BR 9611836A BR 9611836 A BR9611836 A BR 9611836A BR 9611836 A BR9611836 A BR 9611836A BR 9611836 A BR9611836 A BR 9611836A
Authority
BR
Brazil
Prior art keywords
slurry
approximately
reaction time
oxygen delignification
medium consistency
Prior art date
Application number
BR9611836A
Other languages
English (en)
Inventor
William J Miller
Original Assignee
Beloit Technologies Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24272704&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9611836(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Beloit Technologies Inc filed Critical Beloit Technologies Inc
Publication of BR9611836A publication Critical patent/BR9611836A/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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
BR9611836A 1995-12-07 1996-11-18 Deslignificação de oxigênio de pasta fluida de poupa de consistência média BR9611836A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56877995A 1995-12-07 1995-12-07
PCT/US1996/019742 WO1997020983A1 (en) 1995-12-07 1996-11-18 Oxygen delignification of medium consistency pulp slurry

Publications (1)

Publication Number Publication Date
BR9611836A true BR9611836A (pt) 1999-03-09

Family

ID=24272704

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9611836A BR9611836A (pt) 1995-12-07 1996-11-18 Deslignificação de oxigênio de pasta fluida de poupa de consistência média

Country Status (10)

Country Link
US (1) US6162324A (pt)
EP (1) EP0865531B1 (pt)
CN (1) CN1203644A (pt)
AT (1) ATE214113T1 (pt)
BR (1) BR9611836A (pt)
CA (1) CA2239855C (pt)
DE (1) DE69619689D1 (pt)
ID (1) ID17433A (pt)
WO (1) WO1997020983A1 (pt)
ZA (1) ZA9610269B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE522593C2 (sv) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
AU2003209591A1 (en) * 2002-02-22 2003-09-09 Gilles Gervais Process of treating lignocellulosic material to produce bio-ethanol
SE525773C2 (sv) * 2003-09-24 2005-04-26 Kvaerner Pulping Tech Metod och arrangemang för syrgasdelignifiering av cellulosamassa med pH-reglering i slutfasen
SE0403222L (sv) * 2004-12-30 2005-11-08 Kvaerner Pulping Tech Metod för syrgasdelignifiering av cellulosamassa vid högt tryck i flera steg
SE526707C2 (sv) * 2004-12-30 2005-10-25 Kvaerner Pulping Tech Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck
JP5702300B2 (ja) * 2008-12-16 2015-04-15 エイチ アール ディー コーポレーション ワックスの高せん断酸化
AR088750A1 (es) * 2011-08-30 2014-07-02 Cargill Inc Procesos de elaboracion de pulpa

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719552A (en) * 1971-06-18 1973-03-06 American Cyanamid Co Bleaching of lignocellulosic materials with oxygen in the presence of a peroxide
US3843473A (en) * 1971-08-23 1974-10-22 Mo Och Domsjoe Ab Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
US3951733A (en) * 1974-11-06 1976-04-20 International Paper Company Delignification and bleaching of wood pulp with oxygen
SE389351B (sv) * 1975-03-14 1976-11-01 Kamyr Ab Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US4431480A (en) * 1981-10-27 1984-02-14 The Black Clawson Company Method and apparatus for controlled addition of alkaline chemicals to an oxygen delignification reaction
US4842690A (en) * 1986-05-27 1989-06-27 Kamyr, Inc. Mixing chlorine gas into paper pulp slurries
US5011572A (en) * 1989-05-19 1991-04-30 Fmc Corporation Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage
US5034095A (en) * 1989-06-01 1991-07-23 Oji Paper Co., Ltd. Apparatus and process for the delignification of cellulose pulp
AT395028B (de) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
DE4329244A1 (de) * 1993-08-31 1995-03-02 Sandoz Ag Wässrige Wachs- und Silicon-Dispersionen, deren Herstellung und Verwendung

Also Published As

Publication number Publication date
US6162324A (en) 2000-12-19
CA2239855C (en) 2002-07-02
ZA9610269B (en) 1997-06-24
EP0865531A1 (en) 1998-09-23
ATE214113T1 (de) 2002-03-15
ID17433A (id) 1997-12-24
EP0865531B1 (en) 2002-03-06
CA2239855A1 (en) 1997-06-12
DE69619689D1 (de) 2002-04-11
CN1203644A (zh) 1998-12-30
WO1997020983A1 (en) 1997-06-12

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25G Requested change of headquarter approved

Owner name: BELOIT TECHNOLOGIES, INC. (US)

Free format text: SEDE ALTERADA CONFORME SOLICITADO NA PETICAO NO 020040009501/RJ DE 16/11/2004.

B25A Requested transfer of rights approved

Owner name: GL AND V MANAGEMENT HUNGARY KFT (HU)

Free format text: TRANSFERIDO DE: BELOIT TECHNOLOGIES, INC.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE 10A., 11A., 12A., 13A., E 14A. ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 10A, 11A, 12A, 13A E 14A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.