BR112017027022A2 - - Google Patents

Info

Publication number
BR112017027022A2
BR112017027022A2 BR112017027022A BR112017027022A BR112017027022A2 BR 112017027022 A2 BR112017027022 A2 BR 112017027022A2 BR 112017027022 A BR112017027022 A BR 112017027022A BR 112017027022 A BR112017027022 A BR 112017027022A BR 112017027022 A2 BR112017027022 A2 BR 112017027022A2
Authority
BR
Brazil
Application number
BR112017027022A
Other languages
Portuguese (pt)
Other versions
BR112017027022B1 (pt
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 filed Critical
Publication of BR112017027022A2 publication Critical patent/BR112017027022A2/pt
Publication of BR112017027022B1 publication Critical patent/BR112017027022B1/pt

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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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
    • 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
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
    • D21C9/1026—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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
    • 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
    • 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
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
BR112017027022-6A 2015-09-30 2016-09-29 Método para formação de uma composição para branqueamento de massas celulósicas aquosas, composição e kit de ingredientes BR112017027022B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP15306543.8 2015-09-30
EP15306543 2015-09-30
EP16305924.9 2016-07-18
EP16305924 2016-07-18
PCT/EP2016/073350 WO2017055504A1 (en) 2015-09-30 2016-09-29 Methods for bleaching aqueous pulps and compositions for use in these methods

Publications (2)

Publication Number Publication Date
BR112017027022A2 true BR112017027022A2 (ko) 2018-08-21
BR112017027022B1 BR112017027022B1 (pt) 2023-04-18

Family

ID=57208245

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017027022-6A BR112017027022B1 (pt) 2015-09-30 2016-09-29 Método para formação de uma composição para branqueamento de massas celulósicas aquosas, composição e kit de ingredientes

Country Status (8)

Country Link
US (1) US20180155871A1 (ko)
EP (1) EP3356596A1 (ko)
JP (1) JP7013246B2 (ko)
KR (1) KR20180061089A (ko)
CN (2) CN118308895A (ko)
BR (1) BR112017027022B1 (ko)
CA (1) CA2989264A1 (ko)
WO (1) WO2017055504A1 (ko)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127241A (en) * 1964-03-31 Preparation of magnesium hydroxide
US2168228A (en) * 1936-12-28 1939-08-01 Carey Philip Mfg Co Suspension of magnesium hydroxide and materials and process for making same
US2231327A (en) * 1937-09-25 1941-02-11 Morton Salt Co Preparation of magnesium products
US2255422A (en) * 1939-02-23 1941-09-09 Dow Chemical Co Process for the production of magnesium hydroxide
US3301633A (en) * 1964-01-24 1967-01-31 Dow Chemical Co Process for production of magnesium hydroxide and calcium chloride
GB1262655A (en) * 1968-09-20 1972-02-02 Canadian Ind Bleaching of wood pulp
SE335053B (ko) * 1969-05-13 1971-05-10 Mo Och Domsjoe Ab
HU183533B (en) * 1981-07-30 1984-05-28 Bela Racz Process for producing aquous bitumen-composition
SE470065C (sv) * 1991-04-30 1996-01-15 Eka Nobel Ab Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
US5665205A (en) * 1995-01-19 1997-09-09 International Paper Company Method for improving brightness and cleanliness of secondary fibers for paper and paperboard manufacture
US6736934B1 (en) * 1995-02-17 2004-05-18 Andritz Oy Method of pretreating pulp in an acid tower prior to bleaching with peroxide
FI112958B (fi) 1997-12-19 2004-02-13 Kemira Oyj Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö
DE10040178A1 (de) * 2000-08-17 2002-03-07 Wacker Chemie Gmbh Verdickungsmittel auf der Basis von Vinylalkohol-Mischpolymerisaten
AU2007229455B2 (en) * 2006-03-23 2012-07-19 Hercules Incorporated Improved paper for gypsum wallboard
FR2937656B1 (fr) * 2008-10-24 2010-11-19 Arkema France Procede de fabrication de pate a papier
GB2514840A (en) * 2013-06-07 2014-12-10 Imerys Minerals Ltd Compositions for bleaching pulps and their use
FR3007044B1 (fr) 2013-06-13 2016-01-15 Air Liquide Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium

Also Published As

Publication number Publication date
KR20180061089A (ko) 2018-06-07
CN107709657A (zh) 2018-02-16
WO2017055504A1 (en) 2017-04-06
JP7013246B2 (ja) 2022-02-15
CN118308895A (zh) 2024-07-09
CA2989264A1 (en) 2017-04-06
JP2018534439A (ja) 2018-11-22
US20180155871A1 (en) 2018-06-07
BR112017027022B1 (pt) 2023-04-18
EP3356596A1 (en) 2018-08-08

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 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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