CL2014003084A1 - Método para digerir astillas de madera; metodo para digerir pulpa de madera. - Google Patents

Método para digerir astillas de madera; metodo para digerir pulpa de madera.

Info

Publication number
CL2014003084A1
CL2014003084A1 CL2014003084A CL2014003084A CL2014003084A1 CL 2014003084 A1 CL2014003084 A1 CL 2014003084A1 CL 2014003084 A CL2014003084 A CL 2014003084A CL 2014003084 A CL2014003084 A CL 2014003084A CL 2014003084 A1 CL2014003084 A1 CL 2014003084A1
Authority
CL
Chile
Prior art keywords
digest
digesting
wood
wood pulp
wood chips
Prior art date
Application number
CL2014003084A
Other languages
English (en)
Inventor
Sergey M Shevchenko
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
Priority claimed from US14/330,958 external-priority patent/US20140318724A1/en
Application filed by Nalco Co filed Critical Nalco Co
Publication of CL2014003084A1 publication Critical patent/CL2014003084A1/es

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CL2014003084A 2014-07-14 2014-11-13 Método para digerir astillas de madera; metodo para digerir pulpa de madera. CL2014003084A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/330,958 US20140318724A1 (en) 2009-03-09 2014-07-14 Method and chemical compositions to improve efficiency of chemical pulping

Publications (1)

Publication Number Publication Date
CL2014003084A1 true CL2014003084A1 (es) 2015-01-09

Family

ID=53404086

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2014003084A CL2014003084A1 (es) 2014-07-14 2014-11-13 Método para digerir astillas de madera; metodo para digerir pulpa de madera.

Country Status (7)

Country Link
EP (1) EP3169843A4 (es)
CN (1) CN106536820B (es)
BR (1) BR102014027199B1 (es)
CA (1) CA2953568C (es)
CL (1) CL2014003084A1 (es)
RU (1) RU2698735C2 (es)
WO (1) WO2016010854A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3870752A4 (en) * 2018-10-24 2022-08-24 Wagler, Timothy PROCESSES, METHODS AND SYSTEMS FOR CHEMICAL-MECHANICAL CELLULAR EXPLOSION AND SOLID AND LIQUID PRODUCTS MADE THEREOF

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017316A (en) * 1958-06-25 1962-01-16 Hooker Chemical Corp Method of bleaching wood pulp with chlorine dioxide and sodium borohydride
US3042575A (en) * 1958-11-24 1962-07-03 Stiftelsen Svensk Cellulosafor Methods of improving the yield in alkaline digestion of cellulosic material
FR1510761A (fr) * 1966-03-03 1968-01-19 Mo Och Domsjoe Ab Procédé pour l'accroissement du rendement de la préparation de pâtes à papier par voie alcaline
CA962810A (en) * 1971-07-09 1975-02-18 Guglielmo Ruffini Method of producing high yield pulp at high brightness for papermaking
US5328564A (en) * 1990-09-17 1994-07-12 Kamyr, Inc. Modified digestion of paper pulp followed by ozone bleaching
BE1004630A3 (fr) * 1990-10-17 1992-12-22 Interox Internat Sa Procede pour la preservation des caracteristiques de resistance mecanique des pates a papier chimiques.
PL168216B1 (pl) * 1990-10-24 1996-01-31 Beloit Technologies Inc Sposób wytwarzania masy celulozowej PL PL PL PL PL
EP0652321B1 (en) * 1993-11-04 1998-01-21 Morton International, Inc. Chemical pulp bleaching
AU5546498A (en) * 1997-01-21 1998-08-07 University Of New Brunswick Oxygen delignification process of pulp
US20040000012A1 (en) * 2002-06-26 2004-01-01 Borregaard Chemcell Treatment of a mixture containing cellulose
EP1418269B1 (en) * 2002-11-05 2009-02-11 Rohm And Haas Company Method for brightening virgin mechanical pulp
CN100357517C (zh) * 2005-10-14 2007-12-26 山东轻工业学院 棉杆蒸煮预处理液
US20100224333A1 (en) * 2009-03-09 2010-09-09 Prasad Duggirala Method and chemical composition to improve efficiency of mechanical pulp
WO2010115090A1 (en) * 2009-04-02 2010-10-07 Auburn University Pulping process for quality protection including methods for hemicellulose extraction and treatment of hemicellulose -extracted lignocellulosic materials
CN101638810B (zh) * 2009-08-20 2013-04-03 襄樊源力生物科技有限公司 一种高效环保节能生产精制棉的方法
CN103003487B (zh) * 2010-05-04 2016-04-27 巴伊亚特种纤维素公司 高α溶解浆生产的方法和系统
CN105672023A (zh) * 2010-11-16 2016-06-15 王子控股株式会社 纤维素纤维集合体及其制造方法、原纤化纤维素纤维及其制造方法、以及纤维素纤维复合体

Also Published As

Publication number Publication date
WO2016010854A1 (en) 2016-01-21
BR102014027199A2 (pt) 2016-04-26
BR102014027199B1 (pt) 2022-10-04
RU2017103170A (ru) 2018-08-15
EP3169843A1 (en) 2017-05-24
RU2017103170A3 (es) 2018-11-23
RU2698735C2 (ru) 2019-08-29
EP3169843A4 (en) 2018-01-24
CA2953568A1 (en) 2016-01-21
CA2953568C (en) 2022-06-14
CN106536820B (zh) 2019-07-05
CN106536820A (zh) 2017-03-22

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