DE69119687D1 - Verfahren zur Entfernung von polychlorierten Dibenzodioxinen, polychlorierten Dibenzofuranen und Klebrigem von Sekundärfasern - Google Patents

Verfahren zur Entfernung von polychlorierten Dibenzodioxinen, polychlorierten Dibenzofuranen und Klebrigem von Sekundärfasern

Info

Publication number
DE69119687D1
DE69119687D1 DE69119687T DE69119687T DE69119687D1 DE 69119687 D1 DE69119687 D1 DE 69119687D1 DE 69119687 T DE69119687 T DE 69119687T DE 69119687 T DE69119687 T DE 69119687T DE 69119687 D1 DE69119687 D1 DE 69119687D1
Authority
DE
Germany
Prior art keywords
polychlorinated
removal
secondary fibers
dibenzodioxins
sticky substances
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
DE69119687T
Other languages
English (en)
Other versions
DE69119687T2 (de
Inventor
Carol Ann Blaney
Shafi Ul Hossain
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.)
Paper Technology Foundation Inc
Original Assignee
Kimberly Clark Corp
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
Priority claimed from US07/596,807 external-priority patent/US5009745A/en
Priority claimed from US07/596,819 external-priority patent/US5009746A/en
Application filed by Kimberly Clark Corp filed Critical Kimberly Clark Corp
Publication of DE69119687D1 publication Critical patent/DE69119687D1/de
Application granted granted Critical
Publication of DE69119687T2 publication Critical patent/DE69119687T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0203—Solvent extraction of solids with a supercritical fluid
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/04—Pitch control

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Paper (AREA)
DE1991619687 1990-10-12 1991-10-14 Verfahren zur Entfernung von polychlorierten Dibenzodioxinen, polychlorierten Dibenzofuranen und Klebrigem von Sekundärfasern Expired - Fee Related DE69119687T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/596,807 US5009745A (en) 1990-10-12 1990-10-12 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans from secondary fibers using supercritical CO2 extraction
US07/596,819 US5009746A (en) 1990-10-12 1990-10-12 Method for removing stickies from secondary fibers using supercritical CO2 solvent extraction
US07/686,071 US5074958A (en) 1990-10-12 1991-04-15 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans and stickies from secondary fibers using supercritical propane solvent extraction

Publications (2)

Publication Number Publication Date
DE69119687D1 true DE69119687D1 (de) 1996-06-27
DE69119687T2 DE69119687T2 (de) 1996-11-28

Family

ID=27416717

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991619687 Expired - Fee Related DE69119687T2 (de) 1990-10-12 1991-10-14 Verfahren zur Entfernung von polychlorierten Dibenzodioxinen, polychlorierten Dibenzofuranen und Klebrigem von Sekundärfasern

Country Status (9)

Country Link
US (1) US5074958A (de)
EP (1) EP0480476B1 (de)
JP (1) JP3121064B2 (de)
KR (1) KR100193192B1 (de)
AU (1) AU648343B2 (de)
CA (1) CA2044323A1 (de)
DE (1) DE69119687T2 (de)
ES (1) ES2087202T3 (de)
MX (1) MX9101143A (de)

Families Citing this family (15)

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US5328934A (en) * 1992-10-27 1994-07-12 Hoechst Celanese Corporation Recycling cellulose esters from the waste from cigarette manufacture
US5364475A (en) * 1993-07-30 1994-11-15 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Process for removing chemical preservatives from wood using supercritical fluid extraction
US5476975A (en) * 1994-07-08 1995-12-19 Ruddick; John N. R. Extraction of toxic organic contaminants from wood and photodegradation of toxic organic contaminants
DE4429506B4 (de) * 1994-08-19 2007-09-13 Degussa Gmbh Verfahren zur Extraktion natürlicher Carotinoid-Farbstoffe
TW426775B (en) 1998-03-16 2001-03-21 Ind Tech Res Inst Method of fibers scouring
DK199801455A (da) * 1998-11-10 2000-05-11 Fls Miljoe A S Fremgangsmåde til imprægnering eller ekstrahering af et harpiksholdigt træsubstrat
EP1634992A1 (de) * 2004-09-14 2006-03-15 M-real Oyj Entfernung von extrahierbaren Inhaltsstoffen aus Papier
US20070227944A1 (en) * 2006-03-30 2007-10-04 Campbell Roger O System and a method for extracting wax from pulp fibers and paper products
US20070227945A1 (en) * 2006-03-30 2007-10-04 Campbell Roger O System and a method for extracting wax from pulp fibers and paper products
JP5060791B2 (ja) * 2007-01-26 2012-10-31 独立行政法人森林総合研究所 木材の乾燥方法、木材への薬剤浸透方法及び乾燥装置
EP2361740B1 (de) * 2010-02-25 2013-12-18 The Procter and Gamble Company Verfahren zum Trennen von stark aufnahmefähigen Polymerpartikeln aus einer festen thermoplastischen Zusammensetzung mit Polymeren
DE102011004808B4 (de) * 2011-02-28 2014-03-20 Siemens Aktiengesellschaft Entfernung von Mineralölanteilen bei der Altpapieraufbereitung
EP2876203A1 (de) * 2013-11-25 2015-05-27 CEPI aisbl Überkritisches CO2
EP3738991A1 (de) 2019-05-17 2020-11-18 Evonik Operations GmbH Verfahren zum lösen von klebstoffen
JP7162850B2 (ja) * 2021-06-22 2022-10-31 伊澤タオル株式会社 繊維品を精練する方法、及び繊維品を精練して、精練処理後の繊維品を製造する方法

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US1805751A (en) * 1926-09-25 1931-05-19 Auerbach Ernst Berthold Process for treating, separating and purifying oils
US2284583A (en) * 1934-08-10 1942-05-26 Standard Oil Dev Co Process for treating hydrocarbon oils with light hydrocarbons
US2281865A (en) * 1935-03-22 1942-05-05 Shell Dev Process for separating high molecular mixtures
US2391576A (en) * 1942-09-05 1945-12-25 Phillips Petroleum Co High pressure separation
US3058871A (en) * 1959-10-28 1962-10-16 Riverside Paper Corp Pulp recovery process
DE1493190C3 (de) * 1963-04-16 1980-10-16 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Trennung von Stoffgemischen
AT331374B (de) * 1972-12-22 1976-08-25 Studiengesellschaft Kohle Mbh Verfahren zur gewinnung von fetten und olen aus pflanzlichen und tierischen produkten
US4124528A (en) * 1974-10-04 1978-11-07 Arthur D. Little, Inc. Process for regenerating adsorbents with supercritical fluids
US4113446A (en) * 1975-07-22 1978-09-12 Massachusetts Institute Of Technology Gasification process
US4147624A (en) * 1976-04-15 1979-04-03 Arthur D. Little, Inc. Wastewater treatment with desorbing of an adsorbate from an adsorbent with a solvent in the near critical state
DE2837115A1 (de) * 1978-08-25 1980-03-06 Bayer Ag Neues verfahren zur herstellung von sterilen feststoffen
GB2075050B (en) * 1979-09-27 1983-08-03 Modar Inc Treatment of organic material in supercritical water
WO1981000854A1 (en) * 1979-09-27 1981-04-02 Modar Inc Treatment of organic material in supercritical water
US4338199A (en) * 1980-05-08 1982-07-06 Modar, Inc. Processing methods for the oxidation of organics in supercritical water
US4543190A (en) * 1980-05-08 1985-09-24 Modar, Inc. Processing methods for the oxidation of organics in supercritical water
US4354928A (en) * 1980-06-09 1982-10-19 Mobil Oil Corporation Supercritical selective extraction of hydrocarbons from asphaltic petroleum oils
US4308200A (en) * 1980-07-10 1981-12-29 Champion International Corporation Extraction of coniferous woods with fluid carbon dioxide and other supercritical fluids
US4472442A (en) * 1980-09-26 1984-09-18 General Foods Corporation Decaffeination process
US4434028A (en) * 1981-04-17 1984-02-28 Critical Fluid Systems, Inc. Apparatus for removing organic contaminants from inorganic-rich mineral solids
US4466923A (en) * 1982-04-01 1984-08-21 The United States Of America As Represented By The Secretary Of Agriculture Supercritical CO2 extraction of lipids from lipid-containing materials
EP0092076B1 (de) * 1982-04-16 1986-12-17 Societe Des Produits Nestle S.A. Lipidhaltige Zusammensetzung für die orale, enterale oder parenterale Ernährung
BE896610A (fr) * 1982-05-06 1983-08-16 Hop Developments Ltd Extraction d'une matiere vegetale en utilisant de l'anhydride carbonique
US4550198A (en) * 1982-11-04 1985-10-29 Georgia Tech Research Institute Purification of terephthalic acid by supercritical fluid extraction
US4422966A (en) * 1983-03-18 1983-12-27 Union Camp Corporation Separation of neutrals from tall oil soaps
US4495095A (en) * 1983-04-04 1985-01-22 Union Camp Corporation Acidulation and recovery of crude tall oil from tall oil soaps
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US4728525A (en) * 1983-12-13 1988-03-01 Pablo Toro Process for the decaffeination of green coffee
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US4675198A (en) * 1984-12-31 1987-06-23 The Procter & Gamble Co. Removal of textured vegetable product off-flavor by supercritical fluid or liquid extraction
US4594164A (en) * 1985-05-23 1986-06-10 Titmas James A Method and apparatus for conducting chemical reactions at supercritical conditions
US4647466A (en) * 1985-06-19 1987-03-03 The Procter & Gamble Company Process for the production of citrus flavor and aroma compositions
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IT1223328B (it) * 1987-10-29 1990-09-19 Eniricerche Spa Procedimento per il trattamento di fanghi di raffineria

Also Published As

Publication number Publication date
AU8574891A (en) 1992-04-30
JP3121064B2 (ja) 2000-12-25
US5074958A (en) 1991-12-24
AU648343B2 (en) 1994-04-21
EP0480476A1 (de) 1992-04-15
KR100193192B1 (ko) 1999-06-15
CA2044323A1 (en) 1992-04-13
ES2087202T3 (es) 1996-07-16
KR920008272A (ko) 1992-05-27
EP0480476B1 (de) 1996-05-22
MX9101143A (es) 1992-06-05
JPH04281088A (ja) 1992-10-06
DE69119687T2 (de) 1996-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KIMBERLY-CLARK WORLDWIDE, INC., NEENAH, WIS., US

8327 Change in the person/name/address of the patent owner

Owner name: PAPER TECHNOLOGY FOUNDATION INC., KALAMAZOO, MICH.

8339 Ceased/non-payment of the annual fee