BR112014004303A2 - processos de formação de polpa - Google Patents

processos de formação de polpa

Info

Publication number
BR112014004303A2
BR112014004303A2 BR112014004303A BR112014004303A BR112014004303A2 BR 112014004303 A2 BR112014004303 A2 BR 112014004303A2 BR 112014004303 A BR112014004303 A BR 112014004303A BR 112014004303 A BR112014004303 A BR 112014004303A BR 112014004303 A2 BR112014004303 A2 BR 112014004303A2
Authority
BR
Brazil
Prior art keywords
pulp
pulping
kappa number
cooking
pulping process
Prior art date
Application number
BR112014004303A
Other languages
English (en)
Inventor
A Hawkins Brent
Martin Fred
Original Assignee
Cargill Inc
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 Cargill Inc filed Critical Cargill Inc
Publication of BR112014004303A2 publication Critical patent/BR112014004303A2/pt

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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
    • 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
    • D21C3/003—Pulping cellulose-containing materials with 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
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

resumo patente de invenção: "processos de formação de polpa". a presente invenção refere-se a um processo de formação de polpa que compreende o uso de alta concentração de antraquinona (aq). o processo de formação de polpa é capaz de fornecer uma polpa tendo baixo número kappa com resistência inesperadamente alta. o processo de formação de polpa pode usar fibras de madeira ou não lenhosas (por exemplo, bagaço de cana e resíduos do milho) para fornecer uma polpa com boa qualidade para a fabricação de papel. o método para a polpação de uma fibra que compreende cozinhar uma primeira mistura que compreende as fibras, água, um álcali e um produto químico que acentua seletivamente a deslignificação por um tempo de cozimento e em uma condição de cozimento suficiente para formar uma primeira polpa que tem um número kappa desejado de cerca de 15 ou menos, e parâmetros de resistência que são suficientes para a fabricação de papel, onde o material de partida antes do cozimento tem um número kappa de 60 ou mais.
BR112014004303A 2011-08-30 2012-08-30 processos de formação de polpa BR112014004303A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161529211P 2011-08-30 2011-08-30
PCT/US2012/053124 WO2013033386A1 (en) 2011-08-30 2012-08-30 Pulping processes

Publications (1)

Publication Number Publication Date
BR112014004303A2 true BR112014004303A2 (pt) 2017-03-21

Family

ID=47756867

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014004303A BR112014004303A2 (pt) 2011-08-30 2012-08-30 processos de formação de polpa

Country Status (13)

Country Link
US (2) US20140174680A1 (pt)
EP (1) EP2751333A4 (pt)
KR (1) KR20140068095A (pt)
CN (1) CN103764903A (pt)
AR (1) AR088750A1 (pt)
AU (1) AU2012301895A1 (pt)
BR (1) BR112014004303A2 (pt)
CA (1) CA2846640A1 (pt)
CO (1) CO6890094A2 (pt)
IN (1) IN2014CN01515A (pt)
MX (1) MX2014002364A (pt)
WO (1) WO2013033386A1 (pt)
ZA (1) ZA201401307B (pt)

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US11414818B2 (en) 2018-08-23 2022-08-16 Eastman Chemical Company Dewatering in paper making process
US11519132B2 (en) 2018-08-23 2022-12-06 Eastman Chemical Company Composition of matter in stock preparation zone of wet laid process
US11512433B2 (en) 2018-08-23 2022-11-29 Eastman Chemical Company Composition of matter feed to a head box
US11390996B2 (en) 2018-08-23 2022-07-19 Eastman Chemical Company Elongated tubular articles from wet-laid webs
US11396726B2 (en) 2018-08-23 2022-07-26 Eastman Chemical Company Air filtration articles
US11421387B2 (en) 2018-08-23 2022-08-23 Eastman Chemical Company Tissue product comprising cellulose acetate
US11332888B2 (en) 2018-08-23 2022-05-17 Eastman Chemical Company Paper composition cellulose and cellulose ester for improved texturing
US11530516B2 (en) 2018-08-23 2022-12-20 Eastman Chemical Company Composition of matter in a pre-refiner blend zone
US11492757B2 (en) 2018-08-23 2022-11-08 Eastman Chemical Company Composition of matter in a post-refiner blend zone
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Also Published As

Publication number Publication date
WO2013033386A1 (en) 2013-03-07
MX2014002364A (es) 2014-04-14
IN2014CN01515A (pt) 2015-05-08
US20150129143A1 (en) 2015-05-14
CO6890094A2 (es) 2014-03-10
AR088750A1 (es) 2014-07-02
KR20140068095A (ko) 2014-06-05
EP2751333A1 (en) 2014-07-09
US20140174680A1 (en) 2014-06-26
ZA201401307B (en) 2017-05-31
AU2012301895A1 (en) 2014-02-27
EP2751333A4 (en) 2015-04-29
CN103764903A (zh) 2014-04-30
CA2846640A1 (en) 2013-03-07

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]