DE69213208T2 - Integriertes Altpapieraufschlussverfahren zur Herstellung von Fasern für Seidenpapier - Google Patents

Integriertes Altpapieraufschlussverfahren zur Herstellung von Fasern für Seidenpapier

Info

Publication number
DE69213208T2
DE69213208T2 DE1992613208 DE69213208T DE69213208T2 DE 69213208 T2 DE69213208 T2 DE 69213208T2 DE 1992613208 DE1992613208 DE 1992613208 DE 69213208 T DE69213208 T DE 69213208T DE 69213208 T2 DE69213208 T2 DE 69213208T2
Authority
DE
Germany
Prior art keywords
fibers
pulping process
production
paper
integrated waste
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
DE1992613208
Other languages
English (en)
Other versions
DE69213208D1 (de
Inventor
Charles W Hankins
Oldrich C Prochazka
John F Schmitt
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.)
Kimberly Clark Worldwide Inc
Original Assignee
Scott Paper Co
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 Scott Paper Co filed Critical Scott Paper Co
Publication of DE69213208D1 publication Critical patent/DE69213208D1/de
Application granted granted Critical
Publication of DE69213208T2 publication Critical patent/DE69213208T2/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
    • 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
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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)
  • Paper (AREA)
DE1992613208 1992-02-24 1992-11-24 Integriertes Altpapieraufschlussverfahren zur Herstellung von Fasern für Seidenpapier Expired - Fee Related DE69213208T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84037092A 1992-02-24 1992-02-24

Publications (2)

Publication Number Publication Date
DE69213208D1 DE69213208D1 (de) 1996-10-02
DE69213208T2 true DE69213208T2 (de) 1997-01-23

Family

ID=25282186

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992613208 Expired - Fee Related DE69213208T2 (de) 1992-02-24 1992-11-24 Integriertes Altpapieraufschlussverfahren zur Herstellung von Fasern für Seidenpapier

Country Status (15)

Country Link
US (1) US5755926A (de)
EP (1) EP0557651B1 (de)
JP (1) JP3267363B2 (de)
KR (1) KR100244421B1 (de)
AT (1) ATE141970T1 (de)
AU (1) AU650803B2 (de)
BR (1) BR9300656A (de)
CA (1) CA2082557C (de)
DE (1) DE69213208T2 (de)
DK (1) DK0557651T3 (de)
ES (1) ES2092062T3 (de)
HK (1) HK1007776A1 (de)
MX (1) MX9207331A (de)
MY (1) MY109361A (de)
PL (1) PL172187B1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6153300A (en) * 1994-04-18 2000-11-28 Ahlstrom Machinery, Inc. Bleaching cellulose pulp having cleanliness which varies significantly over time using at least two different bleaching stages and bleaching chemicals
SE9403494L (sv) * 1994-10-13 1996-04-14 Aga Ab Sätt och anordning vid blekning av returfiber
DE19614947B4 (de) * 1996-04-16 2004-04-08 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
DE19626200C2 (de) * 1996-06-29 2001-02-01 Voith Sulzer Stoffaufbereitung Verfahren zur Erhöhung des Weißgrades von Altpapierfaserstoff
DE19639110C2 (de) * 1996-09-24 1999-10-21 Voith Sulzer Stoffaufbereitung Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
ES2183222T3 (es) * 1996-11-26 2003-03-16 Kimberly Clark Co Metodo para la modificacion de pasta de papel a partir de papel de periodico reciclado.
DE19742729A1 (de) * 1997-09-26 1999-04-01 Sca Hygiene Prod Gmbh Verfahren zur Aufbereitung von Altpapier unter Vermeidung von Bioziden und Chlorverbindungen, sowie von Wasserstoffperoxid und Peressigsäure, Einrichtung zur Ausführung dieses Verfahrens sowie Recycling Tissuepapiere mit einer Gesamtkeimzahl kleiner 1000 KBE/g und einer Oberflächenkeimzahl kleiner 20 KBE/dm·2·
DE19751174C2 (de) * 1997-11-19 2001-07-26 Voith Paper Patent Gmbh Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
DE19751173A1 (de) * 1997-11-19 1999-05-27 Voith Sulzer Papiertech Patent Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers
US6372085B1 (en) 1998-12-18 2002-04-16 Kimberly-Clark Worldwide, Inc. Recovery of fibers from a fiber processing waste sludge
US6228212B1 (en) * 1999-04-19 2001-05-08 Voith Sultzer Paper Technology North America, Inc. Method of removing wax from cellulosic fiber used in a fiber suspension for a paper-making machine
US6627041B2 (en) 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
US6899790B2 (en) 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
DE10119182A1 (de) * 2001-04-12 2002-10-24 Natural Pulping Ag Vorrichtung und Verfahren zum kontinuierlichen Kochen von zellulosehaltigem Rohmaterial
US20040000383A1 (en) * 2002-05-01 2004-01-01 Henry Chou Process for facilitating the use of high lignin containing waste paper in the manufacture of paper products
US7074299B2 (en) * 2002-05-01 2006-07-11 Fort James Corporation Process for using a phloroglucinol color delta to control blending, deinking and bleaching of groundwood-containing secondary pulp
US7279073B2 (en) * 2002-08-13 2007-10-09 U.S. Greenfiber, Llc Apparatus for liquid-based fiber separation
US20080073044A1 (en) * 2002-08-13 2008-03-27 Bowman David J Apparatus for liquid-based fiber separation
US7364642B2 (en) 2003-08-18 2008-04-29 Kimberly-Clark Worldwide, Inc. Recycling of latex-containing broke
US7377993B2 (en) * 2004-03-03 2008-05-27 Tanya Smith Richardson Methods for reducing fluorescence in pulp and paper
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
DE102005036075A1 (de) * 2005-08-01 2007-02-15 Voith Patent Gmbh Verfahren zur Herstellung von Tissuepapier
DE102005049502A1 (de) * 2005-10-13 2007-04-19 Voith Patent Gmbh Verfahren zur Herstellung von Tissuepapier
KR100957650B1 (ko) * 2009-02-13 2010-05-12 주식회사 쌍용씨앤비 골판지 고지를 원료로 하는 티슈의 제조 방법
CN103088683B (zh) * 2013-02-28 2015-07-01 刘长如 一种废旧针叶木质类清洁制浆工艺
CN104695266B (zh) * 2015-03-26 2017-03-01 广西大学 一种利用生物酶辅助竹浆ecf漂白的方法
CN105970711A (zh) * 2016-05-24 2016-09-28 遵义亚新亚纸业有限责任公司 一种造纸过程中变质纤维的处理方法
CA3075264A1 (en) 2017-09-08 2019-03-14 Dte Materials Incorporated Selectively depolymerizing cellulosic materials for use as thermal and acoustic insulators
US20220267957A1 (en) * 2021-02-22 2022-08-25 Westrock Mwv, Llc Method for manufacturing bleached pulp, feedstock, and packaging system

Family Cites Families (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1326849A (en) * 1919-12-30 Art of paper-making
CA545113A (en) * 1957-08-20 Gartner Wilhelm Process for regeneration of waste paper
CA663547A (en) * 1963-05-21 Gartner Wilhelm Process for regenerating old paper
CA719622A (en) * 1965-10-12 U. Hossain Shafi Deinking of newspapers and other waste paper
CA684453A (en) * 1964-04-14 Gartner Wilhelm Process for decolorizing waste paper
US366700A (en) * 1887-07-19 steyens
US988874A (en) * 1909-12-02 1911-04-04 Hugo Henkel Process for removing printers' ink from printed paper by means of bleaching substances having an alkaline action.
US1112887A (en) * 1911-06-15 1914-10-06 Pembee Company Process for the recovery of pulp from waste papers.
US1138085A (en) * 1911-11-27 1915-05-04 Int Paper Co Method of removing ink from paper-stock.
US1424411A (en) * 1916-12-15 1922-08-01 Lincoln Trust Company Method for recovering waste paper
GB222160A (en) * 1923-03-26 1924-09-26 Ladislaus Emanuel Granton An improved method for de-inking printed paper
US1545707A (en) * 1924-08-08 1925-07-14 Richard W G Stutzke Process of deinking
US1601193A (en) * 1924-11-01 1926-09-28 Welsh Orme Ink-removing compound
BE355870A (de) * 1927-12-12 1900-01-01
US1782382A (en) * 1929-01-04 1930-11-18 Alexander Orgovan Process for the manufacture of paper from plant fiber
US1975771A (en) * 1931-10-24 1934-10-09 Lewis L Alsted Process for the recovery of pulp from printed paper
US1925372A (en) * 1931-11-14 1933-09-05 Mariner & Hoskins Inc Process of deinking printed paper
US2013841A (en) * 1932-12-10 1935-09-10 Brown Co Manufacture of fiber articles
US1988363A (en) * 1933-10-31 1935-01-15 Snyder Maclaren Processes Inc Process of recovering fiber from waste paper
US2200622A (en) * 1936-08-19 1940-05-14 Pierre R Hines Deinking of printed paper
FR962255A (de) * 1947-03-06 1950-06-07
US2582496A (en) * 1947-10-09 1952-01-15 St Regis Paper Co Deinking and bleaching of paper
NL84209C (de) * 1952-02-09 1900-01-01
US2977274A (en) * 1957-07-24 1961-03-28 Alton Box Board Co Digestion of pulp
US3058871A (en) * 1959-10-28 1962-10-16 Riverside Paper Corp Pulp recovery process
US3427217A (en) * 1960-01-28 1969-02-11 Hercules Inc Repulping of wet-strength broke containing wet-strength resin
CH417311A (de) * 1961-07-05 1966-07-15 Degussa Verfahren zum Herstellen gereinigter wässriger Dispersionen von Faserstoffen
NL268544A (de) 1961-10-02 1900-01-01
SE335053B (de) * 1969-05-13 1971-05-10 Mo Och Domsjoe Ab
US3573202A (en) * 1970-03-05 1971-03-30 Fort Howard Paper Co Process for reduction of water pollution due to domestic and industrial wastes
US4013505A (en) * 1972-03-09 1977-03-22 Vyzkumny Ustav Papieru A Celulosy Method of deinking printed wastepapers
DE2243340C2 (de) * 1972-04-26 1983-08-25 Great Eastern Packing & Paper Stock Corp., Richmond, Va. Verwendung eines äthoxylierten aliphatischen Mono-Ols oder Diols zum umweltschonenden Entfärben von bedrucktem Abfallpapier
JPS4937721A (de) * 1972-08-15 1974-04-08
US3833460A (en) * 1972-09-27 1974-09-03 Little Inc A Dry method for separating paper constitutents for recovery and recycling
US3832276A (en) * 1973-03-07 1974-08-27 Int Paper Co Delignification and bleaching of a cellulose pulp slurry with oxygen
US3891497A (en) * 1973-03-22 1975-06-24 Beloit Corp Non-aqueous defiberizing process of waste paper in the presence of steam and a liquid nonmiscible in water, e.g., tetrachlorethylene
AT333587B (de) * 1973-08-04 1976-11-25 Voith Gmbh J M Verfahren und anlage zum aufbereiten von altpapier
US4272315A (en) * 1976-03-17 1981-06-09 The Black Clawson Company Secondary fiber system
LU76021A1 (de) * 1976-10-15 1978-05-16
US4161421A (en) * 1977-09-13 1979-07-17 Kamyr, Inc. Method and apparatus for continuous oxygen bleaching of cellulosic pulp
DE2919866A1 (de) * 1978-05-22 1979-11-29 Wiggins Teape Group Ltd Verfahren zur rueckgewinnung von fasern
DE2903150A1 (de) * 1979-01-27 1980-08-07 Henkel Kgaa Verfahren zum deinken von bedrucktem altpapier
CA1151363A (en) * 1979-04-17 1983-08-09 Henri Lemoyne Process for the delignification of unbleached chemical pulp
US4276118A (en) * 1979-10-09 1981-06-30 Weyerhaeuser Company Deinking waste electrophotography copy paper
FR2467910A1 (fr) * 1979-10-23 1981-04-30 Interox Procede pour la regeneration des vieux papiers
US4518459A (en) * 1979-11-13 1985-05-21 Economics Laboratory, Inc. Methods of deinking secondary fibers
FR2482989A1 (fr) * 1980-05-22 1981-11-27 Interox Procede pour la regeneration de vieux papiers
JPS5725488A (en) * 1980-07-16 1982-02-10 Mitsubishi Gas Chemical Co Deinking of printed waste paper
DE3168397D1 (en) * 1980-11-20 1985-02-28 Simmering Graz Pauker Ag Process and apparatus for producing cellulose
DE3122911C2 (de) * 1981-06-10 1983-04-28 Benckiser-Knapsack Gmbh, 6802 Ladenburg Verfahren zum Deinken von bedrucktem Altpapier
DE3123353C2 (de) * 1981-06-12 1984-09-13 Akzo Gmbh, 5600 Wuppertal Verfahren zum Deinken von bedrucktem Altpapier
US4416727A (en) * 1982-01-11 1983-11-22 Air Products And Chemicals, Inc. Process for recovering fiber from wet-strength resin coated paper
IT1155310B (it) * 1982-04-19 1987-01-28 Jean Marie Clement Procedimento per il trattamento di riciclaggio di carta stampata da macero
JPS5921791A (ja) * 1982-07-27 1984-02-03 三菱製紙株式会社 未晒系故紙の再生方法
US4534741A (en) * 1984-01-05 1985-08-13 General Electric Company Method for assessing the dielectric state of a high voltage vacuum device using radiation generated by field emission current
US4521336A (en) * 1984-04-16 1985-06-04 Westvaco Corporation Process for preparing lignosulfonates
FR2566015B1 (fr) * 1984-06-15 1986-08-29 Centre Tech Ind Papier Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene
JPH0613347B2 (ja) * 1984-06-18 1994-02-23 範子 太田 磁石密栓
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
US4618400A (en) * 1984-12-28 1986-10-21 Shell Oil Company Wastepaper deinking process
SE448889B (sv) * 1985-11-06 1987-03-23 Sunds Defibrator Sett for behandling av returpapper
DD247934A1 (de) * 1986-04-09 1987-07-22 Univ Dresden Tech Verfahren zur verbesserung der optischen homogenitaet von deinkten altpapierstoffen
US4859362A (en) * 1986-07-25 1989-08-22 Westvaco Corporation Sulfomethylated lignin amines
DE3702978C1 (de) * 1987-02-02 1988-06-30 Gruenau Gmbh Chem Fab Verfahren zum De-inken von bedrucktem Altpapier
NO872836L (no) 1987-02-12 1988-08-15 Sigurd Fongen Trykksatt avvanningspresse for fibersuspensjoner.
CA1230208A (en) * 1987-03-24 1987-12-15 Bohuslav V. Kokta Process for preparing pulp for paper making
DE3739655A1 (de) * 1987-11-23 1989-06-01 Sued Chemie Ag Bleichmittelzusatz
DE3811025A1 (de) * 1988-03-31 1989-10-12 Gruenau Gmbh Chem Fab Verfahren zum de-inken von bedrucktem altpapier
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.
JPH0253987A (ja) * 1988-08-10 1990-02-22 Nippon Sheet Glass Co Ltd ガラス用合紙の製造方法
US5286346A (en) * 1988-11-23 1994-02-15 Henkel Kommanditgesellschaft Auf Aktien Deinking of wastepaper with quaternized hydroxyethyl cellulose
US4935096A (en) * 1988-12-06 1990-06-19 Garden State Paper Company, Inc. Process for the deinking of cellulosic materials
US4915785A (en) * 1988-12-23 1990-04-10 C-I-L Inc. Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate
US5308448A (en) * 1989-01-14 1994-05-03 Henkel Kommanditgesellschaft Auf Aktien Process for the flotation of fillers from deinked waste paper in the presence of surfactants containing sulfonate groups
ATE118839T1 (de) * 1989-03-15 1995-03-15 Woodfree Ltd Verfahren zum de-inken von altpapieren.
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
WO1991000386A1 (en) * 1989-06-30 1991-01-10 Nekoosa Papers, Inc. A method for bleaching kraft pulp with a mixture of oxygen and peroxide
DE3923393A1 (de) * 1989-07-14 1991-01-17 Henkel Kgaa Verfahren zur altpapieraufbereitung
US5234544A (en) * 1989-10-18 1993-08-10 Air Products And Chemicals, Inc. Cleaning and bleaching of secondary fiber
CA2023904C (en) 1989-10-18 1995-11-28 Ronald Charles Naddeo Deinking and bleaching secondary fiber
DE3934893A1 (de) * 1989-10-19 1991-04-25 Gruenau Gmbh Chem Fab Waessrige, erdalkaliseifen und/oder erdalkaliharzseifen enthaltende dispersionen zum deinken von bedruckten altpapieren
DE3935761A1 (de) * 1989-10-27 1991-05-02 Henkel Kgaa Verfahren zur altpapieraufbereitung in gegenwart von hydroxysulfonatsalzen
JPH048554A (ja) * 1990-04-26 1992-01-13 Toshiba Corp 耐熱性絶縁基板及びサーマルヘッド
FR2664627B1 (fr) * 1990-07-12 1995-11-24 Tech Ind Papiers C Centre Procede pour desencrer les papiers imprimes.
JP2565810B2 (ja) * 1990-09-10 1996-12-18 日本製紙 株式会社 古紙の処理法
JPH04163387A (ja) * 1990-10-25 1992-06-08 Dai Ichi Kogyo Seiyaku Co Ltd 古紙再生用脱墨剤
JPH04163386A (ja) * 1990-10-25 1992-06-08 Dai Ichi Kogyo Seiyaku Co Ltd 古紙再生用脱墨剤
DE59104480D1 (de) * 1990-10-30 1995-03-16 Benckiser Knapsack Ladenburg Verfahren zur Wiedergewinnung von Fasern durch Flotationsdeinken aus Altpapier.
JP2842688B2 (ja) * 1990-11-30 1999-01-06 株式会社日本紙パルプ研究所 古紙再生法
US5122228A (en) * 1990-12-10 1992-06-16 Stake Technology Limited Method of treatment of waste paper with steam
JPH04222284A (ja) * 1990-12-25 1992-08-12 Kanzaki Paper Mfg Co Ltd 感熱記録紙古紙の再生パルプ化法
JPH0672382B2 (ja) * 1991-03-04 1994-09-14 株式会社日新化学研究所 故紙再生用脱墨剤
US5302245A (en) * 1991-04-02 1994-04-12 Vps Technology Partnership Integrated wastepaper treatment process
US5213661A (en) * 1991-05-21 1993-05-25 Air Products And Chemicals, Inc. Oxygen alkali detackification in secondary fiber recovery
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
US5227019A (en) * 1991-07-31 1993-07-13 Shell Oil Company Wastepaper deinking process
US6126781A (en) * 1991-08-01 2000-10-03 Union Camp Patent Holding, Inc. Process for conditioning ozone gas recycle stream in ozone pulp bleaching
US5262003A (en) * 1991-09-18 1993-11-16 The Black Clawson Company Method and system for defibering paper making materials
US5302244A (en) * 1992-02-18 1994-04-12 Domtar Inc. Oxygen delignification of waste cellulosic paper products
JP2597934B2 (ja) * 1992-03-12 1997-04-09 株式会社日新化学研究所 故紙再生用脱墨剤
US5372679A (en) * 1992-06-08 1994-12-13 Air Products And Chemicals, Inc. Reactor system for treating cellulosic pulp at a constant upward flow velocity
EP0602391B1 (de) * 1992-12-05 1996-10-16 J.M. Voith GmbH Altpapier-Digester
US5385639A (en) * 1993-08-27 1995-01-31 Hoechst Celanese Corporation Deinking wastepaper printed with oil-based ink

Also Published As

Publication number Publication date
DE69213208D1 (de) 1996-10-02
US5755926A (en) 1998-05-26
BR9300656A (pt) 1993-08-31
MX9207331A (es) 1993-09-01
KR930018098A (ko) 1993-09-21
CA2082557C (en) 1997-03-11
PL297821A1 (en) 1993-09-06
KR100244421B1 (ko) 2000-02-01
EP0557651A1 (de) 1993-09-01
AU2961592A (en) 1993-08-26
ATE141970T1 (de) 1996-09-15
JPH06294084A (ja) 1994-10-21
EP0557651B1 (de) 1996-08-28
CA2082557A1 (en) 1993-08-25
HK1007776A1 (en) 1999-04-23
ES2092062T3 (es) 1996-11-16
DK0557651T3 (de) 1997-02-10
JP3267363B2 (ja) 2002-03-18
AU650803B2 (en) 1994-06-30
PL172187B1 (pl) 1997-08-29
MY109361A (en) 1997-01-31

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