ES2159311T3 - Produccion de pasta de papel prehidrolizada. - Google Patents

Produccion de pasta de papel prehidrolizada.

Info

Publication number
ES2159311T3
ES2159311T3 ES95905669T ES95905669T ES2159311T3 ES 2159311 T3 ES2159311 T3 ES 2159311T3 ES 95905669 T ES95905669 T ES 95905669T ES 95905669 T ES95905669 T ES 95905669T ES 2159311 T3 ES2159311 T3 ES 2159311T3
Authority
ES
Spain
Prior art keywords
prehidrolized
cellulosic material
production
paper paste
reactor
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES95905669T
Other languages
English (en)
Inventor
Panu Tikka
Kari Kovasin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metso Paper Pori Oy
Original Assignee
Metso Chemical Pulping Oy
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 Metso Chemical Pulping Oy filed Critical Metso Chemical Pulping Oy
Application granted granted Critical
Publication of ES2159311T3 publication Critical patent/ES2159311T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Saccharide Compounds (AREA)

Abstract

SE DESCRIBE UN PROCESO PARA PREPARAR PASTA DE PAPEL A PARTIR DE UN MATERIAL CELULOSICO CON LIGNINA QUE INCLUYE UNA ETAPA DE HIDROLISIS PREVIA SEGUIDA DEL TRATAMIENTO DE HIDROLIZADO NEUTRALIZANTE Y EL MATERIAL CELULOSICO PREHIDROLIZADO EN EL REACTOR CON LICOR ALCALINO NEUTRALIZANTE, ELIMINANDO EL HIDROLIZADO NEUTRALIZADO DEL REACTOR Y DESLIGNIFICANDO EL MATERIAL CELULOSICO PREHIDROLIZADO NEUTRALIZADO CON LICOR ALCALINO DE COCCION QUE CONTIENE SULFATO SODICO E HIDROXIDO SODICO.
ES95905669T 1994-01-24 1995-01-23 Produccion de pasta de papel prehidrolizada. Expired - Lifetime ES2159311T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI940332A FI103898B1 (fi) 1994-01-24 1994-01-24 Menetelmä prehydrolysoidun sellun ja/tai sellumassan tuottamiseksi

Publications (1)

Publication Number Publication Date
ES2159311T3 true ES2159311T3 (es) 2001-10-01

Family

ID=8539665

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95905669T Expired - Lifetime ES2159311T3 (es) 1994-01-24 1995-01-23 Produccion de pasta de papel prehidrolizada.

Country Status (19)

Country Link
US (1) US5589033A (es)
EP (1) EP0796367B1 (es)
JP (1) JP2984798B2 (es)
CN (1) CN1102973C (es)
AT (1) ATE202166T1 (es)
AU (1) AU688447B2 (es)
BR (1) BR9402395A (es)
CA (1) CA2179914C (es)
DE (1) DE69521336T2 (es)
ES (1) ES2159311T3 (es)
FI (1) FI103898B1 (es)
MY (1) MY114661A (es)
NO (1) NO963072L (es)
NZ (1) NZ278098A (es)
PH (1) PH31329A (es)
PT (1) PT796367E (es)
TW (1) TW317585B (es)
WO (1) WO1995020065A1 (es)
ZA (1) ZA95388B (es)

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US7842161B2 (en) * 2006-12-18 2010-11-30 The University Of Maine System Board Of Trustees Pre-extraction and solvent pulping of lignocellulosic material
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CN102493257B (zh) * 2011-12-07 2013-06-05 湖南骏泰浆纸有限责任公司 一种马尾松溶解浆及其生产方法
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JP6358771B2 (ja) * 2012-06-15 2018-07-18 日本製紙株式会社 溶解クラフトパルプの製造方法
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EP3673110A4 (en) * 2017-08-25 2021-05-12 Valmet AB IMPROVED COMPACT PROCESS FOR THE PRODUCTION OF A PRE-HYDROLYZED PASTE
AU2019265921A1 (en) 2018-05-10 2020-11-26 Comet Biorefining Inc. Compositions comprising glucose and hemicellulose and their use
FI129118B (fi) * 2018-10-03 2021-07-30 Andritz Oy Menetelmä puuhakkeen syöttämiseksi esihydrolyysireaktoriin
WO2020132120A1 (en) * 2018-12-18 2020-06-25 North Carolina State University Fast disintegrating paper products and methods of making
CN109837791A (zh) * 2019-03-27 2019-06-04 北京林业大学 一种基于水热预处理的蔗渣碱法制浆方法
SE543159C2 (en) * 2019-05-22 2020-10-13 Valmet Oy A method for extracting hydrolyzate, a batch cooking system and a hydrolyzate extracting arrangement
US11142589B2 (en) 2019-06-14 2021-10-12 Bracell Bahia Specialty Cellulose SA High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems
BR112021025188A8 (pt) * 2019-06-14 2022-03-15 Bracell Bahia Specialty Cellulose S A Aparelhos, métodos e sistemas de produção de polpa de alta viscosidade intrínseca e alta alfa
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CN113564956B (zh) * 2021-07-13 2022-08-26 陕西国防工业职业技术学院 一种提高葡萄枝硫酸盐法脱木素效率的预水解方法
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Also Published As

Publication number Publication date
JP2984798B2 (ja) 1999-11-29
DE69521336D1 (de) 2001-07-19
PH31329A (en) 1998-07-06
PT796367E (pt) 2001-10-30
NO963072D0 (no) 1996-07-23
CA2179914A1 (en) 1995-07-27
NO963072L (no) 1996-07-23
FI103898B (fi) 1999-10-15
TW317585B (es) 1997-10-11
DE69521336T2 (de) 2002-04-25
EP0796367A1 (en) 1997-09-24
BR9402395A (pt) 1995-10-17
FI940332A0 (fi) 1994-01-24
JPH09507697A (ja) 1997-08-05
MY114661A (en) 2002-12-31
ZA95388B (en) 1995-09-26
NZ278098A (en) 1998-01-26
AU1419495A (en) 1995-08-08
CN1102973C (zh) 2003-03-12
FI103898B1 (fi) 1999-10-15
WO1995020065A1 (en) 1995-07-27
US5589033A (en) 1996-12-31
CN1139464A (zh) 1997-01-01
AU688447B2 (en) 1998-03-12
ATE202166T1 (de) 2001-06-15
FI940332A (fi) 1995-07-25
EP0796367B1 (en) 2001-06-13
CA2179914C (en) 2005-09-20

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