FI952509A - Menetelmä viskoosiselluloosamassojen valmistamiseksi - Google Patents

Menetelmä viskoosiselluloosamassojen valmistamiseksi Download PDF

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Publication number
FI952509A
FI952509A FI952509A FI952509A FI952509A FI 952509 A FI952509 A FI 952509A FI 952509 A FI952509 A FI 952509A FI 952509 A FI952509 A FI 952509A FI 952509 A FI952509 A FI 952509A
Authority
FI
Finland
Prior art keywords
cellulose pulps
viscose cellulose
making viscose
making
pulps
Prior art date
Application number
FI952509A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI952509A0 (fi
Inventor
Wolfgang Wizani
Andreas Krotschenck
Johann Schuster
Karl Lackner
Original Assignee
Voest Alpine Ind Anlagen
Chemiefaser Lenzing Ag
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 Voest Alpine Ind Anlagen, Chemiefaser Lenzing Ag filed Critical Voest Alpine Ind Anlagen
Publication of FI952509A0 publication Critical patent/FI952509A0/fi
Publication of FI952509A publication Critical patent/FI952509A/fi

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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
FI952509A 1992-12-02 1995-05-23 Menetelmä viskoosiselluloosamassojen valmistamiseksi FI952509A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0238292A AT398588B (de) 1992-12-02 1992-12-02 Verfahren zur herstellung von viskosezellstoffen
PCT/AT1993/000183 WO1994012719A1 (fr) 1992-12-02 1993-12-02 Procede de production de viscose

Publications (2)

Publication Number Publication Date
FI952509A0 FI952509A0 (fi) 1995-05-23
FI952509A true FI952509A (fi) 1995-05-23

Family

ID=3533355

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952509A FI952509A (fi) 1992-12-02 1995-05-23 Menetelmä viskoosiselluloosamassojen valmistamiseksi

Country Status (12)

Country Link
US (1) US5676795A (fr)
EP (1) EP0672207B1 (fr)
JP (1) JPH08503744A (fr)
CN (1) CN1041645C (fr)
AT (1) AT398588B (fr)
BR (1) BR9307589A (fr)
CA (1) CA2150381C (fr)
DE (1) DE59304443D1 (fr)
ES (1) ES2097021T3 (fr)
FI (1) FI952509A (fr)
RU (1) RU2122055C1 (fr)
WO (1) WO1994012719A1 (fr)

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US6413362B1 (en) 1999-11-24 2002-07-02 Kimberly-Clark Worldwide, Inc. Method of steam treating low yield papermaking fibers to produce a permanent curl
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PT1883731E (pt) * 2005-05-24 2016-01-26 Int Paper Co Fibras kraft modificadas
US7520958B2 (en) * 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
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FI123036B (fi) 2006-02-10 2012-10-15 Metso Paper Inc Menetelmä hydrolyysituotteiden talteenottamiseksi
AT503610B1 (de) * 2006-05-10 2012-03-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
US9090915B2 (en) * 2008-04-22 2015-07-28 Wisconsin Alumni Research Foundation Sulfite pretreatment for biorefining biomass
FI20085425L (fi) * 2008-05-08 2009-11-09 Metso Paper Inc Sulfaattiesihydrolyysikeittomenetelmä
FI121237B (fi) 2008-10-21 2010-08-31 Danisco Menetelmä ksyloosin ja liukosellun tuottamiseksi
PT2406291T (pt) * 2009-03-09 2018-12-28 Treetotextile Ab Processo de fabrico de celulose moldada combinado com um sistema de recuperação de fábrica de pasta de papel
ES2525263T3 (es) * 2010-05-04 2014-12-19 Bahia Specialty Cellulose Sa Procedimiento y sistema de tratamiento de pasta de papel utilizando una extracción cáustica en frío con reutilización del filtrado alcalino
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
AT509899A2 (de) 2010-06-02 2011-12-15 Chemiefaser Lenzing Ag Verfahren zur verbesserten verarbeitbarkeit von hydrothermolysaten von lignozellulosischem material
US8980050B2 (en) 2012-08-20 2015-03-17 Celanese International Corporation Methods for removing hemicellulose
US8815561B2 (en) 2010-08-23 2014-08-26 Wisconsin Alumni Research Foundation Metal compounds to eliminate nonproductive enzyme adsorption and enhance enzymatic saccharification of lignocellulose
US8916023B2 (en) 2011-03-18 2014-12-23 Andritz, Inc. Vapor phase hydrolysis vessel and methods related thereto
US8951388B2 (en) * 2011-04-08 2015-02-10 Pec-Tech Engineering And Construction Pte Ltd Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester
JP5712754B2 (ja) * 2011-04-13 2015-05-07 王子ホールディングス株式会社 溶解パルプの製造方法
EP2707539B1 (fr) * 2011-05-13 2019-05-08 Valmet Aktiebolag Procédé compact d'obtention de pâte préalablement hydrolysée
CN102251423B (zh) * 2011-07-28 2013-04-24 曲传武 溶解浆连续置换蒸煮工艺
BR112014029701B8 (pt) 2012-05-28 2022-02-08 Chemiefaser Lenzing Ag Processo para fabricação de polpa de dissolução, licor, e, polpa
US8986501B2 (en) * 2012-08-20 2015-03-24 Celanese International Corporation Methods for removing hemicellulose
JP6483021B2 (ja) * 2013-09-11 2019-03-13 日本製紙株式会社 溶解クラフトパルプの製造方法
SE539706C2 (en) 2014-11-07 2017-11-07 Valmet Oy Method for recovering hydrolyzate
SE538454C2 (en) 2014-11-27 2016-07-12 Valmet Oy Method for displacement in batch digesters
CN108495958B (zh) * 2016-01-26 2021-06-11 富士胶片株式会社 纳米纤维及无纺布
DE102016225827B4 (de) 2016-12-21 2019-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zweistufiges Aufschlussverfahren zur chemischen Fraktionierung von Lignocellulose
SE541646C2 (en) * 2017-07-04 2019-11-19 Valmet Oy Method for operating a continuous vertical reactor comprising a prehydrolysis zone and the reactor design as such
BR112020003285A2 (pt) * 2017-08-25 2020-09-01 Valmet Ab processo para a preparação de polpa a partir de material celulósico contendo lignina
TW201938591A (zh) 2018-03-06 2019-10-01 奧地利商蘭仁股份有限公司 溶解性木漿
EP3536833A1 (fr) 2018-03-06 2019-09-11 Lenzing Aktiengesellschaft Fibres de lyocell sans mannane
CN109505178B (zh) * 2018-11-21 2021-08-17 湖南骏泰新材料科技有限责任公司 一种农林三剩物制备纤维素的蒸煮方法
SE1950402A1 (en) * 2019-04-01 2020-10-02 Valmet Oy Method for extracting hemicellulose from lignocellulosic material
SE543924C2 (en) * 2019-04-02 2021-09-28 Valmet Oy A method for extracting hydrolysate in a batch pulp production process
SE1950606A1 (en) * 2019-05-22 2020-10-13 Valmet Oy A method for extracting hydrolyzate, a batch cooking system and a hydrolyzate extracting arrangement
CN112321726B (zh) * 2020-11-23 2022-11-25 北方化学工业股份有限公司 低粘度高硝化度含能b棉的煮洗工艺
CN112726252B (zh) * 2020-11-30 2022-11-25 山东华泰纸业股份有限公司 一种造纸厂废渣的综合利用方法

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Also Published As

Publication number Publication date
DE59304443D1 (de) 1996-12-12
ATA238292A (de) 1994-05-15
AT398588B (de) 1994-12-27
FI952509A0 (fi) 1995-05-23
WO1994012719A1 (fr) 1994-06-09
ES2097021T3 (es) 1997-03-16
CA2150381C (fr) 2004-11-02
EP0672207B1 (fr) 1996-11-06
EP0672207A1 (fr) 1995-09-20
CN1094108A (zh) 1994-10-26
BR9307589A (pt) 1999-08-31
CN1041645C (zh) 1999-01-13
JPH08503744A (ja) 1996-04-23
RU2122055C1 (ru) 1998-11-20
US5676795A (en) 1997-10-14
RU95113599A (ru) 1997-05-27
CA2150381A1 (fr) 1994-06-09

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