DK0660895T3 - Fremgangsmåde til fremstilling af en oxiderende blandet persyreopløsning og fremgangsmåder til behandling af substrater dermed - Google Patents

Fremgangsmåde til fremstilling af en oxiderende blandet persyreopløsning og fremgangsmåder til behandling af substrater dermed

Info

Publication number
DK0660895T3
DK0660895T3 DK93923721T DK93923721T DK0660895T3 DK 0660895 T3 DK0660895 T3 DK 0660895T3 DK 93923721 T DK93923721 T DK 93923721T DK 93923721 T DK93923721 T DK 93923721T DK 0660895 T3 DK0660895 T3 DK 0660895T3
Authority
DK
Denmark
Prior art keywords
preparing
methods
peracid solution
mixed peracid
treating substrates
Prior art date
Application number
DK93923721T
Other languages
Danish (da)
English (en)
Inventor
Bijan Amini
Hou-Min Chang
Hasan Jameel
Junfu Song
Dingru Pan
John Robert Webster
Bruce A Evans
Original Assignee
Du Pont
Univ North Carolina State
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 Du Pont, Univ North Carolina State filed Critical Du Pont
Application granted granted Critical
Publication of DK0660895T3 publication Critical patent/DK0660895T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/06—Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
    • 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
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK93923721T 1992-09-21 1993-09-20 Fremgangsmåde til fremstilling af en oxiderende blandet persyreopløsning og fremgangsmåder til behandling af substrater dermed DK0660895T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US94812292A 1992-09-21 1992-09-21
US08/123,532 US5589032A (en) 1992-09-21 1993-09-17 Process for preparing a bleaching liquor containing percarboxylic acid and caro's acid
PCT/US1993/008917 WO1994006964A1 (en) 1992-09-21 1993-09-20 Method of producing a mixed peracid oxidizing solution and methods for treating substrates therewith

Publications (1)

Publication Number Publication Date
DK0660895T3 true DK0660895T3 (da) 2001-07-30

Family

ID=26821653

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93923721T DK0660895T3 (da) 1992-09-21 1993-09-20 Fremgangsmåde til fremstilling af en oxiderende blandet persyreopløsning og fremgangsmåder til behandling af substrater dermed

Country Status (13)

Country Link
US (2) US5589032A (de)
EP (1) EP0660895B1 (de)
AT (1) ATE201245T1 (de)
AU (1) AU672654B2 (de)
BR (1) BR9307066A (de)
CA (1) CA2141807A1 (de)
DE (1) DE69330229T2 (de)
DK (1) DK0660895T3 (de)
ES (1) ES2157932T3 (de)
FI (1) FI951334A0 (de)
NZ (1) NZ257205A (de)
PT (1) PT660895E (de)
WO (1) WO1994006964A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5656130A (en) * 1995-04-28 1997-08-12 Union Camp Holding, Inc. Ambient temperature pulp bleaching with peroxyacid salts
SE9704298L (sv) * 1997-11-24 1999-05-25 Kvaerner Pulping Tech Förfarande vid blekning av cellulosa i ett slutet system under användning av Caro´s syra
FI107545B (fi) * 1999-06-15 2001-08-31 Kemira Chemicals Oy Menetelmä mekaanisten massojen käsittelemiseksi
GB2391011A (en) * 2002-07-19 2004-01-28 Crosmill Ltd Bleaching cellulose suspensions
JP4967451B2 (ja) * 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
US20080087390A1 (en) * 2006-10-11 2008-04-17 Fort James Corporation Multi-step pulp bleaching
US8080129B2 (en) * 2009-11-17 2011-12-20 Naila Yaqoob Environmentally benign TCF bleaching sequences for AS/AQ wheat straw pulp
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers
TW201544652A (zh) * 2014-05-20 2015-12-01 Georgia Pacific Consumer Prod 非木材纖維之漂白及植物性雜質減量方法
EP3202978A1 (de) * 2016-02-04 2017-08-09 Kaya, Muhammet Verfahren zur herstellung von nanokristalliner cellulose aus linter
CN109338774A (zh) * 2018-09-18 2019-02-15 巴州泰昌浆粕有限公司 混合纤维素浆粕及其制备方法
CA3110389A1 (en) * 2021-02-25 2022-08-25 Sixring Inc. Modified sulfuric acid and uses thereof
WO2023132814A1 (en) * 2022-01-04 2023-07-13 Releaf Paper France Sas Method of obtaining chemical-thermomechanical fibrous mass from plant raw materials and systems for its realization

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519299C2 (de) * 1975-04-30 1983-08-11 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Perpropionsäurelösungen
SU761647A1 (ru) * 1978-01-30 1980-09-07 Bruss Ti Kirova Способ получения целлюлозного полуфабриката 1
DE2929839C2 (de) * 1979-07-23 1983-01-27 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Peroxyphthalsäuren
DE3005947B1 (de) * 1980-02-16 1981-01-29 Degussa Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure
US4334897A (en) * 1981-02-24 1982-06-15 Andersen 2000, Inc. Gas scrubbing apparatus
US4440237A (en) * 1982-06-11 1984-04-03 Ingersoll-Rand Co. Pavement breaker
US4793898A (en) * 1985-02-22 1988-12-27 Oy Keskuslaboratorio - Centrallaboratorium Ab Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide
GB8911957D0 (en) * 1989-05-24 1989-07-12 Interox Chemicals Ltd Peroxyacid manufacture
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
US5246543A (en) * 1989-08-18 1993-09-21 Degussa Corporation Process for bleaching and delignification of lignocellulosic materials
SU1755802A1 (ru) * 1990-02-21 1992-08-23 Тартуский государственный университет Способ получени дезинфицирующего препарата

Also Published As

Publication number Publication date
CA2141807A1 (en) 1994-03-31
US5589032A (en) 1996-12-31
AU5347894A (en) 1994-04-12
EP0660895A4 (de) 1997-02-26
PT660895E (pt) 2001-08-30
ATE201245T1 (de) 2001-06-15
FI951334A (fi) 1995-03-21
ES2157932T3 (es) 2001-09-01
EP0660895A1 (de) 1995-07-05
DE69330229D1 (de) 2001-06-21
DE69330229T2 (de) 2001-10-25
NZ257205A (en) 1996-10-28
WO1994006964A1 (en) 1994-03-31
FI951334A0 (fi) 1995-03-21
AU672654B2 (en) 1996-10-10
BR9307066A (pt) 1999-10-13
US5693185A (en) 1997-12-02
EP0660895B1 (de) 2001-05-16

Similar Documents

Publication Publication Date Title
DK0660895T3 (da) Fremgangsmåde til fremstilling af en oxiderende blandet persyreopløsning og fremgangsmåder til behandling af substrater dermed
ES8102237A1 (es) Procedimiento para la deslignificacion y el blanqueo de pas-tas celulosicas quimicas y semi-quimicas
AU7840787A (en) Improved process for the bleaching of cellulosic pulps using hydrogen peroxide
SE7902901L (sv) Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
DK1322814T3 (da) Fremgangsmåde til blegning af papirmasser
SE9400277L (sv) oxygen/ozon/perättiksyra-delignifiering och -blekning av cellulosamassor
CA2301371A1 (en) Process for bleaching lignocellulose pulp
DE69212051D1 (de) Verfahren zur Herstellung von gebleichtem Hochausbeutepapierzellstoff
NO902206D0 (no) Fremgangsmaate ved delignifisering av lignocellulosefibre.
AU565124B2 (en) Hypochlorite treatment of chemical paper pulps
EP0206560A3 (de) Alkalische Peroxid-Sauerstoff-Behandlung für ungebleichte und chlorierte chemische Pulpen
NO951039L (no) Fremgangsmåte ved fremstilling av en blandet persyreoksydasjonsopplösning, samt fremgangsmåter for behandling med denne
ATE33998T1 (de) Verfahren zur delignifizierung von sulfatzellstoffen.
SE8505899D0 (sv) Regenererbara reducerande blekmedel
FI864411A0 (fi) Foerfarande foer blekning av kemiska pappersmassor.
SE9002001D0 (sv) Metod foer tillfoersel av vaeteperoxid i cellulosasuspensioner
NO913848D0 (no) Fremgangsmaate til klorfattig bleking og delignifisering av cellulose
TH9978EX (th) กรรมวิธี 2 ขั้นตอนสำหรับการเอาลิกนินออกจากเส้นใยลิกโนเซลลูโลสโดยใช้ออกซิเจนที่เสริมกำชับด้วยเปอร์ออกไซด์ในขั้นตอนแรก
SE9500573D0 (sv) Bleaching pulp with peroxide at superatmospheric pressure and in multiple stages
SE0101828D0 (sv) Method and apparatus for treating pulp