DE69208353D1 - Wiederverwendung von cellulosischem abfall - Google Patents

Wiederverwendung von cellulosischem abfall

Info

Publication number
DE69208353D1
DE69208353D1 DE69208353T DE69208353T DE69208353D1 DE 69208353 D1 DE69208353 D1 DE 69208353D1 DE 69208353 T DE69208353 T DE 69208353T DE 69208353 T DE69208353 T DE 69208353T DE 69208353 D1 DE69208353 D1 DE 69208353D1
Authority
DE
Germany
Prior art keywords
pulp
brownstock
digester
feeding
dewatering
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69208353T
Other languages
English (en)
Other versions
DE69208353T2 (de
Inventor
Xuan Nguyen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Domtar Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24661630&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69208353(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Domtar Inc filed Critical Domtar Inc
Application granted granted Critical
Publication of DE69208353D1 publication Critical patent/DE69208353D1/de
Publication of DE69208353T2 publication Critical patent/DE69208353T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • 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

  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • External Artificial Organs (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Prostheses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Luminescent Compositions (AREA)
  • Wrappers (AREA)
DE69208353T 1991-03-01 1992-02-28 Wiederverwendung von cellulosischem abfall Expired - Fee Related DE69208353T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07663397 US5147503B1 (en) 1991-03-01 1991-03-01 Recycling waste cellulosic material with sodium sulphide digestion
PCT/CA1992/000088 WO1992015751A1 (en) 1991-03-01 1992-02-28 Recycling waste cellulosic material

Publications (2)

Publication Number Publication Date
DE69208353D1 true DE69208353D1 (de) 1996-03-28
DE69208353T2 DE69208353T2 (de) 1996-06-27

Family

ID=24661630

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69208353T Expired - Fee Related DE69208353T2 (de) 1991-03-01 1992-02-28 Wiederverwendung von cellulosischem abfall
DE1992628004 Expired - Fee Related DE69228004T2 (de) 1991-03-01 1992-02-28 Rückgewinnung von zellulosischem Abfallmaterial

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1992628004 Expired - Fee Related DE69228004T2 (de) 1991-03-01 1992-02-28 Rückgewinnung von zellulosischem Abfallmaterial

Country Status (14)

Country Link
US (1) US5147503B1 (de)
EP (2) EP0573497B1 (de)
JP (1) JPH06505061A (de)
AT (2) ATE134230T1 (de)
AU (1) AU653587B2 (de)
CA (1) CA2104962C (de)
DE (2) DE69208353T2 (de)
DK (2) DK0573497T3 (de)
ES (2) ES2086118T3 (de)
FI (1) FI933779A0 (de)
GR (2) GR3019876T3 (de)
HK (2) HK1006866A1 (de)
NO (1) NO300928B1 (de)
WO (1) WO1992015751A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ247276A (en) * 1992-04-06 1994-12-22 Westvaco Corp Production of papermaking fibre of low lignin content from recycled high lignin waste paper; mixtures with fresh pulp and products produced therefrom
AU665559B2 (en) * 1992-04-23 1996-01-11 Domtar Inc. Wood-free pulp and white paper product
SE501309C2 (sv) * 1993-05-28 1995-01-09 Klippans Finpappersbruk Ab Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ
US6074527A (en) 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
US5582681A (en) 1994-06-29 1996-12-10 Kimberly-Clark Corporation Production of soft paper products from old newspaper
US6001218A (en) 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US5503709A (en) * 1994-07-27 1996-04-02 Burton; Steven W. Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
US5882476A (en) * 1995-05-05 1999-03-16 Solvay Minerals, Inc. Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
US6296736B1 (en) 1997-10-30 2001-10-02 Kimberly-Clark Worldwide, Inc. Process for modifying pulp from recycled newspapers
US6017415A (en) * 1997-09-05 2000-01-25 International Paper Company Method for co-pulping waste cellulosic material and wood chips
DE19827188C1 (de) * 1998-06-18 2000-02-24 Voith Sulzer Stoffaufbereitung Verfahren zur Aufbereitung von holzstoffhaltigem Altpapier
US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers
US20040065419A1 (en) * 2002-10-04 2004-04-08 Vicente Lasmarias Removal of contaminants from recycled paper fibers
US7722760B2 (en) * 2006-11-22 2010-05-25 Griesbach Corporation Assembly for removing mineral contaminants
EP2025807A1 (de) * 2007-07-25 2009-02-18 Rinheat OY Verfahren zur Wiederherstellung von Chemikalien beim mechanischen Aufschluss
US9856606B2 (en) * 2011-12-12 2018-01-02 Enzymatic Deinking Technologies, L.L.C. Enzymatic pre-treatment of market pulp to improve fiber drainage and physical properties
FI129086B (en) * 2012-09-14 2021-06-30 Teknologian Tutkimuskeskus Vtt Oy Method for producing soluble pulp
WO2015179199A1 (en) * 2014-05-21 2015-11-26 Georgia-Pacific LLC Integrated recycling system and methods for use of sludge
US20230073443A1 (en) * 2020-01-09 2023-03-09 Westrock Mwv, Llc Method for manufacturing bleached pulp from a feedstock comprising recycled paper
WO2022178391A1 (en) * 2021-02-22 2022-08-25 Westrock Mwv, Llc Method for manufacturing bleached pulp, feedstock, and packaging system
US20230405651A1 (en) * 2022-06-21 2023-12-21 Paul W Alford System and method for processing of mixed solid waste to recover recyclable materials

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440134A (en) * 1965-10-15 1969-04-22 M T Reed Construction Co Method for treating corrugated waste-paper and product produced thereby
US3425897A (en) * 1965-11-22 1969-02-04 Thomas L Murphy Jr Process for defibering wet strength paper by multiple alkaline cooks
US3884750A (en) * 1972-09-25 1975-05-20 Little Inc A Method of recovering separate fiber fractions from corrugated board
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
CA1110411A (en) * 1978-05-15 1981-10-13 Mcdonald Moore Recycling by repulping wax and resin impregnated paperboards in black liquor
US4411737A (en) * 1979-12-13 1983-10-25 Owens-Illinois, Inc. Pulp treating process
US4385997A (en) * 1980-01-21 1983-05-31 Reed Ltd. Method and apparatus for preconditioning laminated paper for recycling
JPS57167475A (en) * 1981-04-02 1982-10-15 Mitsubishi Paper Mills Ltd Production of bleached pulp from unbleached used paper
JPS57171785A (en) * 1981-04-17 1982-10-22 Mitsubishi Paper Mills Ltd Production of bleached pulp from unbleached used paper
SE448889B (sv) * 1985-11-06 1987-03-23 Sunds Defibrator Sett for behandling av returpapper
NO882815L (no) * 1988-06-24 1989-12-27 Sigurd Fongen Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten.

Also Published As

Publication number Publication date
EP0633351A1 (de) 1995-01-11
DK0633351T3 (da) 1999-08-23
NO300928B1 (no) 1997-08-18
ATE174979T1 (de) 1999-01-15
WO1992015751A1 (en) 1992-09-17
EP0573497A1 (de) 1993-12-15
US5147503B1 (en) 1997-10-21
EP0573497B1 (de) 1996-02-14
HK1006866A1 (en) 1999-03-19
HK1013432A1 (en) 1999-08-27
DE69208353T2 (de) 1996-06-27
US5147503A (en) 1992-09-15
DK0573497T3 (da) 1996-06-17
AU653587B2 (en) 1994-10-06
AU1323492A (en) 1992-10-06
GR3029720T3 (en) 1999-06-30
EP0633351B1 (de) 1998-12-23
GR3019876T3 (en) 1996-08-31
NO933094D0 (no) 1993-08-31
FI933779A (fi) 1993-08-27
ATE134230T1 (de) 1996-02-15
DE69228004T2 (de) 1999-05-12
ES2126034T3 (es) 1999-03-16
NO933094L (no) 1993-08-31
JPH06505061A (ja) 1994-06-09
CA2104962A1 (en) 1992-09-02
FI933779A0 (fi) 1993-08-27
CA2104962C (en) 2002-07-30
ES2086118T3 (es) 1996-06-16
DE69228004D1 (de) 1999-02-04

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Publication Publication Date Title
US5147503B1 (en) Recycling waste cellulosic material with sodium sulphide digestion
US5503709A (en) Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
US4806203A (en) Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
EP0275256B1 (de) Behandlungsverfahren für abfallpapier
US5374333A (en) Method for minimizing pulp mill effluents
BR0008237A (pt) Processo substancialmente livre de enxofre para a produção de polpa quìmica a partir de material lignocelulósico e a recuperação de substâncias quìmicas usadas no citado processo
ATE107376T1 (de) Zellstoffkochen mit hoher sulfidität, durch sulfonierung von gedämpften holzspänen mit schwarzlauge.
SE9403786D0 (sv) Förfarande för utvinning av kemikalier och energi från cellulosaavlut
Myreen Pulp and paper manufacture in transition
Hart Enhancing yield through high-kappa pulping
CA2001270A1 (en) Method for the treatment of spent liquers in pulp production processes in the wood-processing industry
SE9400016L (sv) Återvinningsprocess för blekning av pappersmassa
CA2108202C (en) Reducing pulp mill liquid discharge
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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee