DK0557651T3 - - Google Patents

Info

Publication number
DK0557651T3
DK0557651T3 DK92310737T DK92310737T DK0557651T3 DK 0557651 T3 DK0557651 T3 DK 0557651T3 DK 92310737 T DK92310737 T DK 92310737T DK 92310737 T DK92310737 T DK 92310737T DK 0557651 T3 DK0557651 T3 DK 0557651T3
Authority
DK
Denmark
Prior art keywords
fibers
waste
deinking
oxygen
image
Prior art date
Application number
DK92310737T
Other languages
Danish (da)
English (en)
Inventor
Oldrich C Prochazka
John F Schmitt
Charles W Hankins
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
Application granted granted Critical
Publication of DK0557651T3 publication Critical patent/DK0557651T3/da

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)
DK92310737T 1992-02-24 1992-11-24 DK0557651T3 (fi)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DK0557651T3 true DK0557651T3 (fi) 1997-02-10

Family

ID=25282186

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92310737T DK0557651T3 (fi) 1992-02-24 1992-11-24

Country Status (15)

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

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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
KR20000069112A (ko) * 1996-11-26 2000-11-25 로날드 디. 맥크레이 재생신문지로부터 위생용 종이 제품을 제조하는 방법
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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
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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
WO2019051212A1 (en) * 2017-09-08 2019-03-14 Dte Materials Incorporated SELECTIVE DEPOLYMERIZATION OF CELLULOSIC MATERIALS FOR USE AS THERMAL AND ACOUSTIC INSULATORS
WO2022178391A1 (en) * 2021-02-22 2022-08-25 Westrock Mwv, Llc Method for manufacturing bleached pulp, feedstock, and packaging system

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Also Published As

Publication number Publication date
MY109361A (en) 1997-01-31
KR100244421B1 (ko) 2000-02-01
JP3267363B2 (ja) 2002-03-18
AU2961592A (en) 1993-08-26
JPH06294084A (ja) 1994-10-21
EP0557651A1 (en) 1993-09-01
CA2082557A1 (en) 1993-08-25
US5755926A (en) 1998-05-26
BR9300656A (pt) 1993-08-31
ATE141970T1 (de) 1996-09-15
AU650803B2 (en) 1994-06-30
EP0557651B1 (en) 1996-08-28
CA2082557C (en) 1997-03-11
DE69213208D1 (de) 1996-10-02
PL297821A1 (en) 1993-09-06
MX9207331A (es) 1993-09-01
PL172187B1 (pl) 1997-08-29
HK1007776A1 (en) 1999-04-23
KR930018098A (ko) 1993-09-21
ES2092062T3 (es) 1996-11-16
DE69213208T2 (de) 1997-01-23

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