NZ575020A - Improved compositions and processes for paper production - Google Patents

Improved compositions and processes for paper production

Info

Publication number
NZ575020A
NZ575020A NZ575020A NZ57502007A NZ575020A NZ 575020 A NZ575020 A NZ 575020A NZ 575020 A NZ575020 A NZ 575020A NZ 57502007 A NZ57502007 A NZ 57502007A NZ 575020 A NZ575020 A NZ 575020A
Authority
NZ
New Zealand
Prior art keywords
bleached pulp
acid
oxidizing agents
salts
pulp
Prior art date
Application number
NZ575020A
Other languages
English (en)
Inventor
Prasad Y Duggirala
Original Assignee
Nalco 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 Nalco Co filed Critical Nalco Co
Priority to NZ591745A priority Critical patent/NZ591745A/en
Publication of NZ575020A publication Critical patent/NZ575020A/en

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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/32—Bleaching agents
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives 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
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic 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
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
NZ575020A 2006-07-21 2007-07-19 Improved compositions and processes for paper production NZ575020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ591745A NZ591745A (en) 2006-07-21 2007-07-19 Improved compositions and processes for paper production

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/490,738 US7914646B2 (en) 2006-07-21 2006-07-21 Compositions and processes for paper production
PCT/US2007/073901 WO2008011523A2 (en) 2006-07-21 2007-07-19 Improved compositions and processes for paper production

Publications (1)

Publication Number Publication Date
NZ575020A true NZ575020A (en) 2011-04-29

Family

ID=38957622

Family Applications (2)

Application Number Title Priority Date Filing Date
NZ591745A NZ591745A (en) 2006-07-21 2007-07-19 Improved compositions and processes for paper production
NZ575020A NZ575020A (en) 2006-07-21 2007-07-19 Improved compositions and processes for paper production

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NZ591745A NZ591745A (en) 2006-07-21 2007-07-19 Improved compositions and processes for paper production

Country Status (15)

Country Link
US (2) US7914646B2 (enExample)
EP (2) EP3020861B1 (enExample)
JP (1) JP5550337B2 (enExample)
KR (1) KR101377236B1 (enExample)
CN (1) CN101109159A (enExample)
AU (1) AU2007275278B2 (enExample)
BR (1) BRPI0713851B1 (enExample)
CA (1) CA2658971C (enExample)
CO (1) CO6140073A2 (enExample)
MX (1) MX2009000788A (enExample)
NO (1) NO340967B1 (enExample)
NZ (2) NZ591745A (enExample)
RU (1) RU2419700C2 (enExample)
WO (1) WO2008011523A2 (enExample)
ZA (1) ZA200900804B (enExample)

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Also Published As

Publication number Publication date
CA2658971A1 (en) 2008-01-24
KR101377236B1 (ko) 2014-03-27
US20110174455A1 (en) 2011-07-21
NO20090337L (no) 2009-01-22
EP2052109B1 (en) 2016-02-17
CN101109159A (zh) 2008-01-23
US8262858B2 (en) 2012-09-11
WO2008011523A3 (en) 2009-04-30
EP2052109A2 (en) 2009-04-29
EP2052109A4 (en) 2012-05-02
RU2419700C2 (ru) 2011-05-27
WO2008011523A2 (en) 2008-01-24
JP2009544857A (ja) 2009-12-17
ZA200900804B (en) 2010-03-31
AU2007275278A1 (en) 2008-01-24
KR20090042804A (ko) 2009-04-30
EP3020861A1 (en) 2016-05-18
EP3020861B1 (en) 2018-02-28
NZ591745A (en) 2011-09-30
MX2009000788A (es) 2009-04-23
US20080017337A1 (en) 2008-01-24
RU2009103572A (ru) 2010-08-27
AU2007275278B2 (en) 2011-09-22
JP5550337B2 (ja) 2014-07-16
NO340967B1 (no) 2017-07-31
CO6140073A2 (es) 2010-03-19
BRPI0713851B1 (pt) 2017-02-14
US7914646B2 (en) 2011-03-29
CA2658971C (en) 2011-09-27

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