BRPI1009542A2 - Method and chemical composition to improve mechanical pulp efficiency - Google Patents

Method and chemical composition to improve mechanical pulp efficiency

Info

Publication number
BRPI1009542A2
BRPI1009542A2 BRPI1009542A BRPI1009542A BRPI1009542A2 BR PI1009542 A2 BRPI1009542 A2 BR PI1009542A2 BR PI1009542 A BRPI1009542 A BR PI1009542A BR PI1009542 A BRPI1009542 A BR PI1009542A BR PI1009542 A2 BRPI1009542 A2 BR PI1009542A2
Authority
BR
Brazil
Prior art keywords
chemical composition
mechanical pulp
improve mechanical
pulp efficiency
efficiency
Prior art date
Application number
BRPI1009542A
Other languages
Portuguese (pt)
Inventor
Prassad Duggirala
Sergey M Shevchenko
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
Publication of BRPI1009542A2 publication Critical patent/BRPI1009542A2/en
Publication of BRPI1009542B1 publication Critical patent/BRPI1009542B1/en

Links

Classifications

    • 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
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • 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
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/64—Alkaline 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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
BRPI1009542-0A 2009-03-09 2010-03-04 METHOD AND CHEMICAL COMPOSITION TO IMPROVE MECHANICAL PULP EFFICIENCY BRPI1009542B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/400,326 US20100224333A1 (en) 2009-03-09 2009-03-09 Method and chemical composition to improve efficiency of mechanical pulp
US12/400,326 2009-03-09
PCT/US2010/026148 WO2010104725A1 (en) 2009-03-09 2010-03-04 Method and chemical composition to improve efficiency of mechanical pulp

Publications (2)

Publication Number Publication Date
BRPI1009542A2 true BRPI1009542A2 (en) 2016-03-22
BRPI1009542B1 BRPI1009542B1 (en) 2020-06-02

Family

ID=42104550

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1009542-0A BRPI1009542B1 (en) 2009-03-09 2010-03-04 METHOD AND CHEMICAL COMPOSITION TO IMPROVE MECHANICAL PULP EFFICIENCY

Country Status (9)

Country Link
US (1) US20100224333A1 (en)
EP (1) EP2406425B1 (en)
JP (1) JP5669762B2 (en)
KR (1) KR101718557B1 (en)
CN (1) CN102348848A (en)
BR (1) BRPI1009542B1 (en)
CA (1) CA2753944C (en)
RU (1) RU2530386C2 (en)
WO (1) WO2010104725A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040200586A1 (en) * 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
JP4272514B2 (en) * 2001-07-19 2009-06-03 アンドリッツ インコーポレーテッド Four-stage mechanical pulping using alkaline peroxide
US9932709B2 (en) * 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
EP2642020A4 (en) * 2010-11-16 2017-03-01 Oji Holdings Corporation Cellulose fiber assembly and production method for same, fibrillated cellulose fiber and production method for same, and cellulose fiber complex
EP2924166A1 (en) * 2014-03-25 2015-09-30 Basf Se Method for the manufacture of bleached wood fibre
BR102014027199B1 (en) * 2014-07-14 2022-10-04 Nalco Company METHOD TO IMPROVE THE MANUFACTURING OF SODA OR KRAFT PULP
WO2017102542A1 (en) * 2015-12-15 2017-06-22 Metgen Oy Method for producing mechanical pulp from a biomass comprising lignocellulosic material
CN106192509A (en) * 2016-07-20 2016-12-07 昆明理工大学 The technique promoting sulfate pulping combined by sodium borohydride and hydrogen peroxide
US11624153B2 (en) * 2017-06-20 2023-04-11 Basf Se Method of increasing the throughput and/or decreasing energy usage of a pulping process
CN111139681B (en) * 2019-12-26 2022-09-30 广西金桂浆纸业有限公司 Chemi-mechanical pulp and manufacturing method thereof

Family Cites Families (36)

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BE510124A (en) * 1951-03-22
US3013934A (en) * 1958-08-12 1961-12-19 West Virginia Pulp & Paper Co High yield pulp from hardwoods
US3042575A (en) * 1958-11-24 1962-07-03 Stiftelsen Svensk Cellulosafor Methods of improving the yield in alkaline digestion of cellulosic material
SE303088B (en) * 1963-05-31 1968-08-12 Defibrator Ab
DE2105324A1 (en) 1969-07-30 1972-08-10 Vita Mayer & C gia F Ih Vita SAS, Mailand (Italien) Production of papermaking pulps
US3981765A (en) * 1969-07-30 1976-09-21 Vita Mayer & C. Treatment of wood chips with an alkali metal borohydride solution followed by mechanical defibration
JPS4838328B1 (en) 1970-07-08 1973-11-16
US3933676A (en) * 1974-04-08 1976-01-20 Ventron Corporation Stabilized aqueous solutions of sodium borohydride
SE7806928L (en) 1977-06-17 1978-12-18 Ventron Corp REDUCTION PROCEDURE WITH DITIONITE AND SODIUM BORHHYDRID
US4211605A (en) * 1978-08-03 1980-07-08 Canadian International Paper Company High yield chemimechanical pulping processes
SE422088B (en) * 1978-11-24 1982-02-15 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF LINDOCELLOLUS CONTENT MATERIALS
EP0027369A1 (en) 1979-10-12 1981-04-22 Thiokol Corporation Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form
SE446993B (en) * 1980-07-09 1986-10-20 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF PINK GRINDING MACHINE
SE451202C (en) * 1981-04-03 1989-04-17 Ole Axelson PROCEDURES FOR PREPARING CHEMICAL MECHANICAL
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
EP0141826A4 (en) 1983-03-31 1985-08-20 Erickson Donald C Cryogenic recycle distillation with multiple latent heat-exchange.
SE456826B (en) * 1986-04-18 1988-11-07 Svenska Traeforskningsinst SET TO REDUCE ENERGY CONSUMPTION BY REFINING CELLULOSALLY MATERIAL
US5338402A (en) * 1987-05-25 1994-08-16 Societe Atochem Process for preparing a bleached chemithermomechanical pulp
SE457647B (en) 1987-06-24 1989-01-16 Eka Nobel Ab SEATED WHITE MATERIAL WITH DITIONITE SOLUTION
GB2215350B (en) * 1988-03-16 1992-05-20 Thiokol Morton Inc Process for bleaching mechanical wood pulp
US5298118A (en) * 1988-07-12 1994-03-29 Atochem Preparation of bleached chemithermomechanical pulp
FR2634233B1 (en) * 1988-07-12 1995-04-14 Atochem PROCESS FOR PRODUCING BLANCHED CHEMICOTHERMOMECHANICAL PASTES
CA1340348C (en) 1989-03-23 1999-01-26 Michel Barbe Bleaching process for the production of high bright pulps
US5169555A (en) 1990-11-09 1992-12-08 Morton International, Inc. Pulp bleaching solution
MX9704911A (en) 1994-12-28 1997-10-31 Minerals Tech Inc Bleaching of filled paper.
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KR100228740B1 (en) * 1997-06-30 1999-11-01 차동천 The bleaching method for mechanical pulp
SE515708C2 (en) 2000-02-11 2001-10-01 Mo Och Domsjoe Ab Bleaching of bleached mechanical pulp with oxidizing bleach enhanced with borohydride
US6881299B2 (en) * 2001-05-16 2005-04-19 North American Paper Corporation Refiner bleaching with magnesium oxide and hydrogen peroxide
US6743332B2 (en) * 2001-05-16 2004-06-01 Weyerhaeuser Company High temperature peroxide bleaching of mechanical pulps
DE60301446T2 (en) * 2002-06-28 2006-06-14 Rohm & Haas Process for brightening pulp with hydrosulfite solution
EP1418269B1 (en) * 2002-11-05 2009-02-11 Rohm And Haas Company Method for brightening virgin mechanical pulp
US20040256065A1 (en) * 2003-06-18 2004-12-23 Aziz Ahmed Method for producing corn stalk pulp and paper products from corn stalk pulp
CA2565923A1 (en) * 2004-05-03 2005-11-10 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Method for mechanical pulp production
MX2007012385A (en) * 2005-04-08 2008-03-11 Nalco Co Improved composition and processes for paper production.
US20080105392A1 (en) * 2006-11-03 2008-05-08 Duggirala Prasad Y Method and composition for improving fiber quality and process efficiency in mechanical pulping

Also Published As

Publication number Publication date
CA2753944A1 (en) 2010-09-16
JP5669762B2 (en) 2015-02-18
CN102348848A (en) 2012-02-08
US20100224333A1 (en) 2010-09-09
EP2406425B1 (en) 2019-10-02
KR101718557B1 (en) 2017-03-21
RU2011135609A (en) 2013-04-20
CA2753944C (en) 2018-10-02
BRPI1009542B1 (en) 2020-06-02
WO2010104725A1 (en) 2010-09-16
EP2406425A1 (en) 2012-01-18
JP2012519785A (en) 2012-08-30
RU2530386C2 (en) 2014-10-10
KR20110128915A (en) 2011-11-30

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Legal Events

Date Code Title Description
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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