BR9305908A - Deslignificação por oxigênio de produtos de papel celulósico de refugo - Google Patents

Deslignificação por oxigênio de produtos de papel celulósico de refugo

Info

Publication number
BR9305908A
BR9305908A BR9305908A BR9305908A BR9305908A BR 9305908 A BR9305908 A BR 9305908A BR 9305908 A BR9305908 A BR 9305908A BR 9305908 A BR9305908 A BR 9305908A BR 9305908 A BR9305908 A BR 9305908A
Authority
BR
Brazil
Prior art keywords
waste
oxygen delignification
paper products
alkaline material
cellulosic paper
Prior art date
Application number
BR9305908A
Other languages
English (en)
Inventor
Xuan Truong Nguyen
Original Assignee
Domtar 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
Application filed by Domtar Inc filed Critical Domtar Inc
Publication of BR9305908A publication Critical patent/BR9305908A/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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D9/00—Chemical paint or ink removers
    • C09D9/04—Chemical paint or ink removers with surface-active agents
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BR9305908A 1992-02-18 1993-02-17 Deslignificação por oxigênio de produtos de papel celulósico de refugo BR9305908A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/837,870 US5302244A (en) 1992-02-18 1992-02-18 Oxygen delignification of waste cellulosic paper products
PCT/CA1993/000066 WO1993016226A1 (en) 1992-02-18 1993-02-17 Oxygen delignification of waste cellulosic paper products

Publications (1)

Publication Number Publication Date
BR9305908A true BR9305908A (pt) 1997-10-21

Family

ID=25275665

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9305908A BR9305908A (pt) 1992-02-18 1993-02-17 Deslignificação por oxigênio de produtos de papel celulósico de refugo

Country Status (18)

Country Link
US (3) US5302244A (pt)
EP (1) EP0627028B1 (pt)
JP (1) JP3283259B2 (pt)
KR (1) KR100254724B1 (pt)
AT (1) ATE156537T1 (pt)
AU (1) AU670932B2 (pt)
BR (1) BR9305908A (pt)
CA (1) CA2128225A1 (pt)
CZ (1) CZ287686B6 (pt)
DE (1) DE69312911T2 (pt)
DK (1) DK0627028T3 (pt)
ES (1) ES2108263T3 (pt)
FI (1) FI110128B (pt)
HK (1) HK1001841A1 (pt)
NO (1) NO303945B1 (pt)
NZ (1) NZ267027A (pt)
SK (1) SK283771B6 (pt)
WO (1) WO1993016226A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5486286A (en) * 1991-04-19 1996-01-23 Althin Medical, Inc. Apparatus for performing a self-test of kidney dialysis membrane
CA2082557C (en) * 1992-02-24 1997-03-11 Charles W. Hankins Integrated pulping process of waste paper yielding tissue-grade paper fibers
US5503709A (en) * 1994-07-27 1996-04-02 Burton; Steven W. Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
US6127965A (en) * 1998-07-23 2000-10-03 Eaton-Vorad Technologies, L.L.C. Method and apparatus for rejecting rain clutter in a radar system
US20040065419A1 (en) * 2002-10-04 2004-04-08 Vicente Lasmarias Removal of contaminants from recycled paper fibers
US8034203B2 (en) 2007-04-13 2011-10-11 United States Gypsum Company Gypsum wallboard with improved nail pull strength and the method for making same
EP2655738A1 (en) * 2010-12-22 2013-10-30 Basf Se Recycled or brown paper board and methods of making same
US10377518B2 (en) 2012-11-30 2019-08-13 Bace, Llc Compactor system and related baling and recycling method
US11241854B2 (en) * 2012-11-30 2022-02-08 Bace, Llc Compactor system and related baling and recycling method
US11162834B2 (en) 2012-11-30 2021-11-02 Bace, Llc Weight-measurement retrofitting for waste compactors
US11148383B2 (en) 2012-11-30 2021-10-19 Bace, Llc Weight-measurement retrofitting for recyclable-waste balers
US10564029B2 (en) 2012-11-30 2020-02-18 Bace, Llc Waste container with weight-measurement system
KR101451384B1 (ko) 2013-09-17 2014-10-22 한국과학기술연구원 접착제를 포함하는 목재 폐기물로부터 탄소 섬유를 제조하는 방법
JP6820961B2 (ja) * 2019-02-14 2021-01-27 ユニ・チャーム株式会社 リサイクルパルプの衛生用品への使用、及び衛生用品
US11591751B2 (en) 2019-09-17 2023-02-28 Gpcp Ip Holdings Llc High efficiency fiber bleaching process
US20220213648A1 (en) 2021-01-06 2022-07-07 Gpcp Ip Holdings Llc Oxygen Treatment of High Kappa Fibers
US20220267957A1 (en) * 2021-02-22 2022-08-25 Westrock Mwv, Llc Method for manufacturing bleached pulp, feedstock, and packaging system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA885903A (en) * 1971-11-16 Robert Andre Oxygen bleaching and delignification of alkaline pulp
FR1601408A (pt) * 1967-06-20 1970-08-24
SE355614B (pt) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab
SU642399A1 (ru) * 1974-03-11 1979-01-15 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Способ плучени целлюлозы
NL7408641A (en) * 1974-06-27 1975-12-30 Maygron B V Cellulose prepn with low lignin content - by removing lignin from waste paper or cardboard with high lignin content
US4259150A (en) * 1978-12-18 1981-03-31 Kamyr Inc. Plural stage mixing and thickening oxygen bleaching process
US4435249A (en) * 1979-09-05 1984-03-06 The Black Clawson Co. Process for the oxygen delignification of pulp mill rejects
JPS57167474A (en) * 1981-04-01 1982-10-15 Mitsubishi Paper Mills Ltd Production of hogh viscosity bleached pulp from unbleached used paper
SE448006B (sv) * 1981-09-21 1987-01-12 Mo Och Domsjoe Ab Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
CH667373A5 (de) * 1985-05-22 1988-10-14 Bucher Guyer Ag Masch Verfahren zur klaerung von fluessigkeiten und anlage zur durchfuehrung desselben.
SE448889B (sv) * 1985-11-06 1987-03-23 Sunds Defibrator Sett for behandling av returpapper
US4946556A (en) * 1989-04-25 1990-08-07 Kamyr, Inc. Method of oxygen delignifying wood pulp with between stage washing
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
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers

Also Published As

Publication number Publication date
CZ193894A3 (en) 1995-04-12
NZ267027A (en) 1996-10-28
SK97594A3 (en) 1995-04-12
SK283771B6 (sk) 2004-01-08
JPH07509280A (ja) 1995-10-12
EP0627028B1 (en) 1997-08-06
FI943785A0 (fi) 1994-08-17
NO943046D0 (no) 1994-08-17
NO943046L (no) 1994-08-17
CZ287686B6 (en) 2001-01-17
KR950700461A (ko) 1995-01-16
AU3489293A (en) 1993-09-03
JP3283259B2 (ja) 2002-05-20
KR100254724B1 (ko) 2000-06-01
HK1001841A1 (en) 1998-07-10
US5350493A (en) 1994-09-27
FI943785A (fi) 1994-08-17
DE69312911D1 (de) 1997-09-11
AU670932B2 (en) 1996-08-08
ATE156537T1 (de) 1997-08-15
US5486268A (en) 1996-01-23
EP0627028A1 (en) 1994-12-07
DK0627028T3 (da) 1998-03-09
NO303945B1 (no) 1998-09-28
US5302244A (en) 1994-04-12
ES2108263T3 (es) 1997-12-16
FI110128B (fi) 2002-11-29
WO1993016226A1 (en) 1993-08-19
DE69312911T2 (de) 1997-11-20
CA2128225A1 (en) 1993-08-19

Similar Documents

Publication Publication Date Title
BR9305908A (pt) Deslignificação por oxigênio de produtos de papel celulósico de refugo
BR9205696A (pt) Processo para o carregamento de fibras celulosicas com carbonato de calcio, polpa de papel carregada com carbonato de calcio, papel carregado e processo para a produçao de um papel carregado a partir de fibras celulosicas
CA2104962A1 (en) Recycling waste cellulosic material
CA2093260A1 (en) Method for producing a delignified papermaking fiber from recycled, high lignin content, waste paper and product thereof
BR9003018A (pt) Metodo e aparelho para cozimento continuo de material fibroso celulosico cominuido para produzir pasta de papel
SE9702656D0 (sv) Kraftpapper och förfarande för framställning av detta
GB2215350B (en) Process for bleaching mechanical wood pulp
BR9201847A (pt) Processo para o tratamento de polpa secundaria compreendendo fibras celulosicas e contaminantes viscosos e produto de papel reciclado produzido
DE69213766D1 (de) Holzfreier zellstoff und weisses papierprodukt
ES2005026A6 (es) Un metodo para la fabricacion de productos que contienen fibras de material lignocelulosico.
PL309195A1 (en) Method of obtaining a wooden pulp with or without addition of chemicals
JPS56116701A (en) Pretreatment of cellulosic material
Nguyen Oxygen delignification of old corrugated containers
AR021574A1 (es) Poliacrilamidas glioxaladas como agentes reforzadores del papel
Healey Alkali soaking ups quality, yield of OCC used in boxboard furnishes
ZA932300B (en) Method for producing a delignigied papermaking fiber from recycled, high lignin content, waste paper and product thereof
GB1111273A (en) Process for making a special paper
FI982512A0 (fi) Menetelmä ja laitteisto hylkymassan käsittelemiseksi
Kerekes After pulping. Processing the pulps
Schweers ENVIRONMENTAL POLLUTION THROUGH CHEMICAL PROCESSING OF WOOD(UMWELTBELASTUNG DURCH HOLZCHEMISCHE PROZESSE)
Krishnamachari et al. Experiences of Bagasse Pulping with Rapid Continuous Digester.
ES8101159A1 (es) Un procedimiento para la produccion de pasta de papel.
KR840002691A (ko) 운반상자용 종이제조 방법
ES8304242A1 (es) Procedimiento mejorado para la preparacion de pastas papeleras quimicas.

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
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A, 13A, 14A, 15A, 16A E 17A 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 2277 DE 26/08/2014 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 12A, 13A, 14A, 15A, 16A E 17A 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.