BR112017018968A2 - processos e sistemas para a formação de polpa de materiais lignocelulósicos - Google Patents

processos e sistemas para a formação de polpa de materiais lignocelulósicos

Info

Publication number
BR112017018968A2
BR112017018968A2 BR112017018968A BR112017018968A BR112017018968A2 BR 112017018968 A2 BR112017018968 A2 BR 112017018968A2 BR 112017018968 A BR112017018968 A BR 112017018968A BR 112017018968 A BR112017018968 A BR 112017018968A BR 112017018968 A2 BR112017018968 A2 BR 112017018968A2
Authority
BR
Brazil
Prior art keywords
processes
systems
lignocellulosic materials
pulping lignocellulosic
maceration
Prior art date
Application number
BR112017018968A
Other languages
English (en)
Other versions
BR112017018968B1 (pt
Inventor
Luukkonen Antti
Radhuber Christian
Original Assignee
Andritz 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 Andritz Inc filed Critical Andritz Inc
Publication of BR112017018968A2 publication Critical patent/BR112017018968A2/pt
Publication of BR112017018968B1 publication Critical patent/BR112017018968B1/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
    • D21C3/00—Pulping cellulose-containing 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage 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
    • D21C7/00—Digesters
    • D21C7/06—Feeding devices
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating 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

Landscapes

  • Paper (AREA)

Abstract

a presente invenção refere-se a um sistema e processo de produção de polpa a partir de material lignocelulósico após o material lignocelulósico ter sofrido compressão (pressurização), maceração e remoção de extrativos produzidos durante compressão e maceração seguido por adição de compostos químicos, formação de fibras, digestão (cozimento) e ainda refino mecânico.
BR112017018968-2A 2015-03-11 2016-03-11 Processos semi-químico de formação de polpa de materiais lignocelulósicos BR112017018968B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562131319P 2015-03-11 2015-03-11
US62/131,319 2015-03-11
PCT/US2016/021921 WO2016145276A1 (en) 2015-03-11 2016-03-11 Processes and systems for the pulping of lignocellulosic materials

Publications (2)

Publication Number Publication Date
BR112017018968A2 true BR112017018968A2 (pt) 2018-05-22
BR112017018968B1 BR112017018968B1 (pt) 2022-02-22

Family

ID=55661568

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017018968-2A BR112017018968B1 (pt) 2015-03-11 2016-03-11 Processos semi-químico de formação de polpa de materiais lignocelulósicos

Country Status (9)

Country Link
US (2) US10724174B2 (pt)
EP (1) EP3268534B1 (pt)
CN (1) CN107429484A (pt)
AU (1) AU2016228870B2 (pt)
BR (1) BR112017018968B1 (pt)
CA (1) CA2979048C (pt)
CL (1) CL2017002250A1 (pt)
RU (1) RU2690562C2 (pt)
WO (1) WO2016145276A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10724174B2 (en) 2015-03-11 2020-07-28 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials
FR3075202B1 (fr) * 2017-12-20 2020-08-28 Ifp Energies Now Procede de traitement de biomasse ligno-cellulosique
AT522964B1 (de) * 2019-11-25 2021-04-15 Andritz Ag Maschf Vorrichtung und verfahren zur mazeration eines foerderguts
JP2023509978A (ja) * 2020-01-09 2023-03-10 ウエストロック・エム・ダブリュー・ヴイ・エルエルシー 再生紙を含む原料から漂白パルプを製造するための方法
US11821075B2 (en) 2020-06-15 2023-11-21 Vapor Technologies, Inc. Anti-microbial coating physical vapor deposition such as cathodic arc evaporation

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US783608A (en) 1904-04-04 1905-02-28 Julius A Landsberger Closure for receptacles.
FR496613A (fr) 1919-02-11 1919-11-12 A Olier Des Ets Traitement des plantes et fibres en vue de leur transformation en cellulose pour papeterie
BE504423A (pt) 1951-02-28
US3829357A (en) * 1968-11-20 1974-08-13 Inst Paper Chem Oxidative manufacture of pulp with chlorine dioxide
US3873412A (en) 1974-04-01 1975-03-25 Bauer Bros Co Mechanically refining a mixture of kraft and semichemical pulp
US5320034A (en) * 1989-09-19 1994-06-14 Kvaerner Hymac, Inc. Method and apparatus for increasing surface within wood chips
CN1062564A (zh) * 1990-12-21 1992-07-08 湖南省造纸研究所 亚硫酸盐烟秆半化学浆生产技术
USH1681H (en) 1995-03-10 1997-10-07 Ahlstrom Machinery Inc. Discharge from pulping vessels without the aid of mechanical agitation
US6123808A (en) 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
FI113187B (fi) * 1999-05-28 2007-09-25 Metso Paper Pori Oy Menetelmä massan käsittelemiseksi
SE525872C2 (sv) * 2002-09-06 2005-05-17 Stora Enso Ab Metod att tillverka mekanisk massa med reducerad energikonsumtion
SE0202711D0 (sv) * 2002-09-12 2002-09-12 Kiram Ab Alkaline process for the manufacturing of pulp using alkali metaborate as buffering alkali
US20040256065A1 (en) * 2003-06-18 2004-12-23 Aziz Ahmed Method for producing corn stalk pulp and paper products from corn stalk pulp
CN2832884Y (zh) * 2005-11-22 2006-11-01 河南双马纸品包装有限公司 非化学机械麦草制浆系统
US8262851B2 (en) * 2006-08-10 2012-09-11 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials
US9090915B2 (en) * 2008-04-22 2015-07-28 Wisconsin Alumni Research Foundation Sulfite pretreatment for biorefining biomass
BR112012031400B1 (pt) * 2010-06-10 2020-11-17 Packaging Corporation Of America método de fabricação de polpa para meio corrugado
CN102011334B (zh) * 2010-11-11 2013-04-10 梁锋 一种利用桉树皮制浆及造纸的方法
CN102605667B (zh) * 2012-03-13 2014-04-16 恒天海龙股份有限公司 一种红豆杉浆粕及其制备方法
CN103696306B (zh) * 2013-12-17 2015-10-21 中南林业科技大学 一种油茶果壳半化学浆制备工艺
US9676679B2 (en) 2014-11-24 2017-06-13 The Florida State University Research Foundation, Inc. Traceless directing groups in radical cascades: from oligoalkynes to fused helicenes without tethered initators
US10724174B2 (en) 2015-03-11 2020-07-28 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials

Also Published As

Publication number Publication date
CN107429484A (zh) 2017-12-01
RU2017134102A (ru) 2019-04-03
US10724174B2 (en) 2020-07-28
CA2979048A1 (en) 2016-09-15
US20180105982A1 (en) 2018-04-19
RU2017134102A3 (pt) 2019-04-22
AU2016228870B2 (en) 2019-04-18
US11352746B2 (en) 2022-06-07
RU2690562C2 (ru) 2019-06-04
CA2979048C (en) 2021-03-16
AU2016228870A1 (en) 2017-09-21
WO2016145276A1 (en) 2016-09-15
EP3268534B1 (en) 2019-01-23
CL2017002250A1 (es) 2018-04-13
US20200283953A1 (en) 2020-09-10
BR112017018968B1 (pt) 2022-02-22
EP3268534A1 (en) 2018-01-17

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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]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/03/2016, OBSERVADAS AS CONDICOES LEGAIS.