ZA95388B - Production of prehydrolyzed pulp - Google Patents

Production of prehydrolyzed pulp

Info

Publication number
ZA95388B
ZA95388B ZA95388A ZA95388A ZA95388B ZA 95388 B ZA95388 B ZA 95388B ZA 95388 A ZA95388 A ZA 95388A ZA 95388 A ZA95388 A ZA 95388A ZA 95388 B ZA95388 B ZA 95388B
Authority
ZA
South Africa
Prior art keywords
cellulosic material
prehydrolyzed
production
reactor
hydrolysate
Prior art date
Application number
ZA95388A
Other languages
English (en)
Inventor
Panu Tikka
Kari Kovasin
Original Assignee
Sunds Defibrator Pori 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 Sunds Defibrator Pori Oy filed Critical Sunds Defibrator Pori Oy
Publication of ZA95388B publication Critical patent/ZA95388B/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00Pretreatment of the finely-divided materials before digesting
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/26Multistage 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)
ZA95388A 1994-01-24 1995-01-18 Production of prehydrolyzed pulp ZA95388B (en)

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
ZA95388B true ZA95388B (en) 1995-09-26

Family

ID=8539665

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA95388A ZA95388B (en) 1994-01-24 1995-01-18 Production of prehydrolyzed pulp

Country Status (19)

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

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FI126573B (fi) 2010-06-07 2017-02-28 Kemira Oyj Menetelmä mikroselluloosan valmistamiseksi
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US8608970B2 (en) 2010-07-23 2013-12-17 Red Shield Acquisition, LLC System and method for conditioning a hardwood pulp liquid hydrolysate
CN102457325B (zh) * 2010-10-19 2014-11-05 中兴通讯股份有限公司 一种小区搜索粗同步的方法及装置
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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
JP5966677B2 (ja) * 2012-06-29 2016-08-10 日本製紙株式会社 セルロースナノファイバーの製造方法
JP6196022B2 (ja) * 2012-07-31 2017-09-13 日本製紙株式会社 溶解クラフトパルプの製造方法
JP6221218B2 (ja) * 2012-10-05 2017-11-01 日本製紙株式会社 溶解クラフトパルプの製造方法
CN105008616B (zh) * 2013-02-08 2020-03-03 Gp 纤维素股份有限公司 具有改善的α-纤维素含量的针叶木硫酸盐法纤维及其在制造化学纤维素产品中的应用
JP6522274B2 (ja) * 2013-08-06 2019-05-29 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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SE538454C2 (en) 2014-11-27 2016-07-12 Valmet Oy Method for displacement in batch digesters
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JP6187619B2 (ja) * 2016-03-07 2017-08-30 王子ホールディングス株式会社 溶解パルプの製造方法
BR112018073910B1 (pt) * 2016-05-27 2022-05-03 Fibratech Pte. Ltd Métodos de cozimento para a produção de lignina de alto peso molecular e fonte de fibra celulósica, e para produzir polpa com alto teor de finos, fração de lignina de alto peso molecular e polpa e uso das mesmas, e sistema digestor para cozimento de uma fonte de fibra celulósica
CA3042711A1 (en) * 2016-11-02 2018-05-11 Robert C. CASAD, Jr. Methods and devices for processing lignocellulosic biomass using mechanical pretreatment to enhance feedstock hydration properties
WO2019039982A1 (en) * 2017-08-25 2019-02-28 Valmet Ab IMPROVED COMPACT PROCESS FOR THE PRODUCTION OF A PREHYDROLYZED PASTE
CN120092937A (zh) 2018-05-10 2025-06-06 彗星生物炼制公司 含有葡萄糖和半纤维素的组合物及其用途
FI129118B (fi) * 2018-10-03 2021-07-30 Andritz Oy Menetelmä puuhakkeen syöttämiseksi esihydrolyysireaktoriin
US20220034039A1 (en) * 2018-12-18 2022-02-03 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
PH12021552859A1 (en) 2019-05-10 2022-12-19 Comet Biorefining Inc Materials and methods for producing arabinoxylan compositions
SE1950606A1 (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
ES3000185T3 (en) * 2019-06-14 2025-02-27 Bracell Bahia Specialty Cellulose SA High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems
FI129441B (en) * 2019-11-20 2022-02-28 Andritz Oy Method for producing cellulose carbamate
FI130568B (en) * 2020-07-06 2023-11-21 Amppc Finland Oy Cooking procedure
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
ES2159311T3 (es) 2001-10-01
NO963072D0 (no) 1996-07-23
ATE202166T1 (de) 2001-06-15
NZ278098A (en) 1998-01-26
AU688447B2 (en) 1998-03-12
WO1995020065A1 (en) 1995-07-27
FI103898B (fi) 1999-10-15
DE69521336D1 (de) 2001-07-19
CA2179914C (en) 2005-09-20
TW317585B (OSRAM) 1997-10-11
AU1419495A (en) 1995-08-08
US5589033A (en) 1996-12-31
PT796367E (pt) 2001-10-30
FI103898B1 (fi) 1999-10-15
FI940332L (fi) 1995-07-25
JP2984798B2 (ja) 1999-11-29
CN1102973C (zh) 2003-03-12
NO963072L (no) 1996-07-23
FI940332A0 (fi) 1994-01-24
BR9402395A (pt) 1995-10-17
CA2179914A1 (en) 1995-07-27
MY114661A (en) 2002-12-31
PH31329A (en) 1998-07-06
CN1139464A (zh) 1997-01-01
JPH09507697A (ja) 1997-08-05
EP0796367A1 (en) 1997-09-24
DE69521336T2 (de) 2002-04-25
EP0796367B1 (en) 2001-06-13

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