ZA923701B - Oxygen color stripping in secondary fiber recovery - Google Patents

Oxygen color stripping in secondary fiber recovery

Info

Publication number
ZA923701B
ZA923701B ZA923701A ZA923701A ZA923701B ZA 923701 B ZA923701 B ZA 923701B ZA 923701 A ZA923701 A ZA 923701A ZA 923701 A ZA923701 A ZA 923701A ZA 923701 B ZA923701 B ZA 923701B
Authority
ZA
South Africa
Prior art keywords
secondary fiber
fiber recovery
oxygen
color stripping
bleaching
Prior art date
Application number
ZA923701A
Other languages
English (en)
Inventor
Ronald Charles Naddeo
Konstantinos Hristofas
Vincent Louis Magnotta
Original Assignee
Air Prod & Chem
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=24825818&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA923701(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Prod & Chem filed Critical Air Prod & Chem
Publication of ZA923701B publication Critical patent/ZA923701B/xx

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
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Inorganic Fibers (AREA)
  • Detergent Compositions (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
ZA923701A 1991-05-21 1992-05-21 Oxygen color stripping in secondary fiber recovery ZA923701B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/703,547 US5211809A (en) 1991-05-21 1991-05-21 Dye removal in oxygen color stripping of secondary fibers

Publications (1)

Publication Number Publication Date
ZA923701B true ZA923701B (en) 1993-11-22

Family

ID=24825818

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA923701A ZA923701B (en) 1991-05-21 1992-05-21 Oxygen color stripping in secondary fiber recovery

Country Status (12)

Country Link
US (3) US5211809A (ko)
EP (1) EP0514901B1 (ko)
JP (1) JPH05239783A (ko)
KR (1) KR950013691B1 (ko)
CN (1) CN1070970A (ko)
AT (1) ATE127871T1 (ko)
BR (1) BR9201920A (ko)
CA (1) CA2068709C (ko)
DE (1) DE69204739T2 (ko)
ES (1) ES2079730T3 (ko)
TW (1) TW244965B (ko)
ZA (1) ZA923701B (ko)

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CA2137450C (en) * 1993-04-06 2001-07-24 Jack Kogan Bleaching recycled pulp with ozone and hydrogen peroxide
US5518581A (en) * 1993-06-04 1996-05-21 Nicca Chemical Co., Ltd. Deinking agent for regeneration of waste paper
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US5560805A (en) * 1993-07-27 1996-10-01 Hoechst Celanese Corporation Enhanced decolorization of waste paper with selected amines
US5385639A (en) * 1993-08-27 1995-01-31 Hoechst Celanese Corporation Deinking wastepaper printed with oil-based ink
US5384010A (en) * 1993-08-27 1995-01-24 Hoechst Celanese Corporation Deinking wastepaper printed with water-based ink
US5527426A (en) * 1994-01-21 1996-06-18 Westvaco Corporation Magnetic deinking of waste papers
US5458736A (en) * 1994-01-31 1995-10-17 Westvaco Corporation Method for producing recycled materials for hygienic end uses
AU677468B2 (en) * 1994-02-02 1997-04-24 Hercules Incorporated Felt conditioner for deinked recycled newsprint papermaking systems
US5529660A (en) * 1994-04-15 1996-06-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Calude Method of reducing fluorescence in deinked pulp by treating pulp with ozone and a bleaching agent
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
US6001218A (en) * 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US6074527A (en) * 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
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US5882476A (en) * 1995-05-05 1999-03-16 Solvay Minerals, Inc. Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate
USH1690H (en) * 1995-07-20 1997-11-04 Nye; Jeffrey Process for bleaching kraft pulp
US5733412A (en) * 1995-09-13 1998-03-31 International Paper Company Decolorizing brown fibers in recycled pulp
ATE193912T1 (de) * 1995-12-07 2000-06-15 Beloit Technologies Inc Delignifizierung eines papierzellstoffs mittlerer konsistenz mittels sauerstoff
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
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
US6296736B1 (en) 1997-10-30 2001-10-02 Kimberly-Clark Worldwide, Inc. Process for modifying pulp from recycled newspapers
US5902454A (en) * 1996-12-13 1999-05-11 Ciba Specialty Chemicals Corporation Method of whitening lignin-containing paper pulps
DE19751173A1 (de) * 1997-11-19 1999-05-27 Voith Sulzer Papiertech Patent Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
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US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers
CN1100916C (zh) * 1999-07-23 2003-02-05 陆春颖 植物纤维浆液的脱色方法
US6974545B1 (en) 2000-02-23 2005-12-13 Ag Formulators, Inc. Method for treating a work material
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
US7118736B2 (en) * 2001-02-22 2006-10-10 L'oreal Hair relaxer compositions comprising at least one hydroxide compound and at least one activating agent, and methods of using the same
US20020189027A1 (en) * 2001-04-20 2002-12-19 Cannell David W. Composition and methods for lanthionizing keratin fibers using at least one organic nucleophile and at least one hydroxide ion generator
US7195755B2 (en) * 2001-08-20 2007-03-27 L'oreal S.A. Compositions comprising at least one hydroxide compound and at least one reducing agent, and methods for relaxing hair
US7468180B2 (en) 2001-08-20 2008-12-23 L'oreal, S.A. Compositions comprising at least one hydroxide compound and at least one oxidizing agent, and methods to straighten curly hair
US6875414B2 (en) 2002-01-14 2005-04-05 American Air Liquide, Inc. Polysulfide measurement methods using colormetric techniques
FR2836162B1 (fr) * 2002-02-18 2004-05-07 Air Liquide Procede de traitement de papiers uses par l'ozone
WO2005068709A1 (en) * 2004-01-06 2005-07-28 University Of Florida Improved method of de-inking paper and other cellulosic materials
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
US8951626B2 (en) 2008-04-07 2015-02-10 Sca Hygiene Products Ab Hygiene or wiping product comprising at least one patterned ply and method for patterning the ply
CN101725066B (zh) * 2009-09-14 2011-05-18 陕西科技大学 旧瓦楞纸箱亚硫酸盐法制浆工艺
DE102011011960A1 (de) * 2011-02-22 2012-08-23 Messer Austria Gmbh Verfahren und Aufbereitung einer Faserstoffsuspension
TW201241269A (en) * 2011-04-15 2012-10-16 Goang Horng Shing Co Ltd Reclaimed waste paper structure of vegetable fiber made from agricultural products
CN103362019A (zh) * 2013-07-17 2013-10-23 宁夏新航能源环境科技有限公司 一种利用废纸生产隔热材料的方法
CN104878639A (zh) 2014-02-27 2015-09-02 艺康美国股份有限公司 利用杀菌剂保护回收纤维的方法以及利用回收纤维造纸的方法
WO2017025862A1 (en) * 2015-08-10 2017-02-16 Basf Se Method for reducing color of lignosulfonates
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
SE541675C2 (en) * 2016-10-19 2019-11-26 Re Newcell Ab Recycling of cellulosic textiles
US11591751B2 (en) 2019-09-17 2023-02-28 Gpcp Ip Holdings Llc High efficiency fiber bleaching process
PL434662A1 (pl) 2020-07-13 2021-01-25 Firma Handlowo-Usługowa Instbud Stanisław Boguta Spółka Jawna Wielowarstwowy rękaw kompozytowy, zwłaszcza do bezwykopowej renowacji rurociągów.
US20220213648A1 (en) 2021-01-06 2022-07-07 Gpcp Ip Holdings Llc Oxygen Treatment of High Kappa Fibers
TWI819375B (zh) * 2021-09-13 2023-10-21 南亞塑膠工業股份有限公司 聚酯織物的除色方法

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DE247934C (ko) *
US2042465A (en) * 1935-09-30 1936-06-02 Pierre R Hines Process for deinking paper printed with oxidizable inks
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DE3428352A1 (de) * 1984-08-01 1986-02-13 Degussa Ag, 6000 Frankfurt Verfahren zur delignifizierung und bleiche von zellstoffen
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DD247934A1 (de) * 1986-04-09 1987-07-22 Univ Dresden Tech Verfahren zur verbesserung der optischen homogenitaet von deinkten altpapierstoffen
DE3809332A1 (de) * 1988-03-19 1989-10-05 Degussa Mehrstufiges verfahren zur bleiche von holzstoffen
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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
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Also Published As

Publication number Publication date
CA2068709A1 (en) 1992-11-22
EP0514901A3 (en) 1993-03-17
DE69204739T2 (de) 1996-02-22
ES2079730T3 (es) 1996-01-16
US5324390A (en) 1994-06-28
EP0514901A2 (en) 1992-11-25
EP0514901B1 (en) 1995-09-13
JPH05239783A (ja) 1993-09-17
BR9201920A (pt) 1993-01-05
US5211809A (en) 1993-05-18
US5332471A (en) 1994-07-26
TW244965B (en) 1995-04-11
DE69204739D1 (de) 1995-10-19
ATE127871T1 (de) 1995-09-15
KR920021805A (ko) 1992-12-18
CN1070970A (zh) 1993-04-14
KR950013691B1 (ko) 1995-11-13
CA2068709C (en) 1997-01-14

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