PH31329A - Production of prehydrolyzed pulp. - Google Patents

Production of prehydrolyzed pulp.

Info

Publication number
PH31329A
PH31329A PH49775A PH49775A PH31329A PH 31329 A PH31329 A PH 31329A PH 49775 A PH49775 A PH 49775A PH 49775 A PH49775 A PH 49775A PH 31329 A PH31329 A PH 31329A
Authority
PH
Philippines
Prior art keywords
cellulosic material
prehydrolyzed
production
reactor
hydrolysate
Prior art date
Application number
PH49775A
Other languages
English (en)
Inventor
Tikka Panu
Kovasin Kari
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 PH31329A publication Critical patent/PH31329A/en

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)
  • Saccharide Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
PH49775A 1994-01-24 1994-05-13 Production of prehydrolyzed pulp. PH31329A (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
PH31329A true PH31329A (en) 1998-07-06

Family

ID=8539665

Family Applications (1)

Application Number Title Priority Date Filing Date
PH49775A PH31329A (en) 1994-01-24 1994-05-13 Production of prehydrolyzed pulp.

Country Status (19)

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

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122654B (fi) 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
US7005514B2 (en) * 2002-10-16 2006-02-28 International Paper Company Process for preparing microcrystalline cellulose
US7285184B2 (en) * 2003-04-21 2007-10-23 Rayonier, Inc. Cellulosic fiber pulp and highly porous paper products produced therefrom
US7812153B2 (en) * 2004-03-11 2010-10-12 Rayonier Products And Financial Services Company Process for manufacturing high purity xylose
US8317975B2 (en) * 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
US7520958B2 (en) * 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
CN104109983A (zh) * 2005-05-24 2014-10-22 国际纸业公司 改性的牛皮纤维
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
JP5207191B2 (ja) * 2006-05-19 2013-06-12 ザ リサーチ ファンデーション オブ ステート ユニヴァーシティ オブ ニューヨーク セルロース系材料の炭酸塩前処理およびパルプ化の方法
US7842161B2 (en) * 2006-12-18 2010-11-30 The University Of Maine System Board Of Trustees Pre-extraction and solvent pulping of lignocellulosic material
US7824521B2 (en) * 2006-12-18 2010-11-02 University Of Maine System Board Of Trustees Process of treating a lignocellulosic material with hemicellulose pre-extraction and hemicellulose adsorption
US8734610B2 (en) * 2007-05-23 2014-05-27 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
US9260818B2 (en) * 2007-05-23 2016-02-16 Andritz Inc. Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
US8529731B2 (en) * 2007-09-07 2013-09-10 Council Of Scientific & Industrial Research Process for fractionating sugarcane bagasse into high α-cellulose pulp, xylan and lignin
US8303767B2 (en) * 2008-03-18 2012-11-06 The Research Foundation Of State University Of New York Methods of pretreating comminuted cellulosic material with carbonate-containing solutions
WO2010019425A1 (en) * 2008-08-15 2010-02-18 Hercules Incorporated Pulping additives for a reduction of resin from kraft pulp
FI121237B (fi) * 2008-10-21 2010-08-31 Danisco Menetelmä ksyloosin ja liukosellun tuottamiseksi
ES2703390T3 (es) * 2009-03-09 2019-03-08 Treetotextile Ab Procedimiento de fabricación de celulosa conformada combinado con un sistema de recuperación de fábrica de pasta
JP4604136B1 (ja) * 2009-06-16 2010-12-22 株式会社 東亜興業 パルプ製造装置、パルプ製造方法及び高濃度パルパー
BRPI1005180A2 (pt) 2009-08-13 2015-09-01 Geosynfuels Llc Aparato e processo para a fermentação de hidrolisado de biomassa
WO2011020082A1 (en) * 2009-08-13 2011-02-17 Geosynfuels, Llc Process for producing high value products from biomass
AU2010352692B2 (en) * 2010-05-04 2014-07-03 Bahia Specialty Cellulose Sa Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
RU2535804C2 (ru) * 2010-05-04 2014-12-20 Байа Спешалти Сельюлоз Са Способ и система производства растворимой целлюлозной массы с высоким содержанием альфа-целлюлозы
FI126649B (fi) 2010-06-07 2017-03-31 Aalto Univ Found Uusi menetelmä mikroselluloosan valmistamiseksi
FI126842B (fi) 2010-06-07 2017-06-15 Aalto Univ Found Uusi menetelmä mikroselluloosan valmistamiseksi
FI126573B (fi) 2010-06-07 2017-02-28 Kemira Oyj Menetelmä mikroselluloosan valmistamiseksi
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
US9371612B2 (en) * 2011-02-22 2016-06-21 Andritz Inc. Method and apparatus to produce pulp using pre-hydrolysis and Kraft cooking
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
EP2707539B1 (en) * 2011-05-13 2019-05-08 Valmet Aktiebolag Compact process for producing prehydrolyzed pulp
US9228243B2 (en) 2011-08-24 2016-01-05 Red Shield Acquistion, LLC System and method for conditioning a hardwood pulp liquid hydrolysate
WO2013047218A1 (ja) * 2011-09-30 2013-04-04 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
CN102337693B (zh) * 2011-09-30 2014-01-22 重庆理文造纸有限公司 一种溶解浆的蒸煮及洗涤工艺
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
CN102493256A (zh) * 2011-12-07 2012-06-13 湖南骏泰浆纸有限责任公司 一种桉木溶解浆及其生产方法
CN102587179B (zh) * 2012-03-08 2014-10-22 山东太阳纸业股份有限公司 一种桉木溶解浆的制备工艺
US9339058B2 (en) 2012-04-19 2016-05-17 R. J. Reynolds Tobacco Company Method for producing microcrystalline cellulose from tobacco and related tobacco product
JP5953909B2 (ja) * 2012-04-27 2016-07-20 王子ホールディングス株式会社 溶解パルプの製造方法
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
JP6075976B2 (ja) * 2012-06-15 2017-02-08 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
MX365675B (es) * 2013-02-08 2019-06-10 Gp Cellulose Gmbh Fibra kraft de madera blanda que tiene un contenido mejorado de a-celulosa, y su uso en la produccion de productos de celulosa quimica.
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。
SE538752C2 (en) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp
SE538454C2 (en) 2014-11-27 2016-07-12 Valmet Oy Method for displacement in batch digesters
SG10202107085TA (en) * 2015-04-10 2021-08-30 Comet Biorefining Inc Methods and compositions for the treatment of cellulosic biomass and products produced thereby
CA3003581C (en) * 2016-02-16 2023-06-27 Valmet Ab Method for recovering concentrated hydrolysate after hydrolysis of cellulose material
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
RU2723917C1 (ru) * 2016-05-27 2020-06-18 Фибратек Пте. Лтд Способ и система для производства лигнина с высокой молекулярной массой
WO2018085487A1 (en) * 2016-11-02 2018-05-11 Casad Robert C Jr Methods and devices for processing lignocellulosic biomass using mechanical pretreatment to enhance feedstock hydration properties
ES3020733T3 (en) * 2017-08-25 2025-05-23 Valmet Oy Improved compact process for producing prehydrolyzed pulp
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
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
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 hydrolysate, a batch cooking system and a hydrolysate 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
FI3983605T3 (fi) * 2019-06-14 2024-11-27 Bracell Bahia Specialty Cellulose SA Laitteet, menetelmät ja järjestelmät, jotka on tarkoitettu korkean sisäisen viskositeetin ja korkean alfapitoisuuden omaavan massan tuotantoon
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
RU2771348C1 (ru) * 2021-09-14 2022-04-29 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна" Способ получения целлюлозы

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US982379A (en) * 1909-06-10 1911-01-24 George H Marshall Process for producing cellulose from fibrous materials.
US2701763A (en) * 1947-11-06 1955-02-08 Sivola George Process of manufacturing pulp from cellulosic fibrous materials
US3243341A (en) * 1961-11-20 1966-03-29 Improved Machinery Inc Continuous pulping apparatus
US3145135A (en) * 1962-09-04 1964-08-18 Sonoco Products Co Multi-stage pulping process
US3413189A (en) * 1964-01-29 1968-11-26 Kamyr Ab Method of performing hydrolysis and alkalic digestion of cellulosic fiber material with prevention of lignin precipitation
US3530034A (en) * 1969-05-16 1970-09-22 Itt Rayonier Inc Continuous aqueous prehydrolysis of wood chips
SE389520B (sv) * 1973-09-03 1976-11-08 Kamyr Ab Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
US5183535B1 (en) * 1990-02-09 1996-02-06 Sunds Defibrator Rauma Oy Process for preparing kraft pulp using black liquor pretreatment reaction
FI92224C (fi) * 1991-06-28 1994-10-10 Sunds Defibrator Rauma Oy Eräprosessi kraftmassan valmistamiseksi
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
AT398588B (de) * 1992-12-02 1994-12-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von viskosezellstoffen
US5338366A (en) * 1993-01-04 1994-08-16 Kamyr, Inc. Acid pre-hydrolysis reactor system

Also Published As

Publication number Publication date
FI940332A0 (fi) 1994-01-24
EP0796367B1 (en) 2001-06-13
JP2984798B2 (ja) 1999-11-29
US5589033A (en) 1996-12-31
FI940332L (fi) 1995-07-25
CN1102973C (zh) 2003-03-12
AU1419495A (en) 1995-08-08
ATE202166T1 (de) 2001-06-15
NO963072D0 (no) 1996-07-23
CA2179914C (en) 2005-09-20
NO963072L (no) 1996-07-23
ES2159311T3 (es) 2001-10-01
MY114661A (en) 2002-12-31
ZA95388B (en) 1995-09-26
PT796367E (pt) 2001-10-30
FI103898B (fi) 1999-10-15
CA2179914A1 (en) 1995-07-27
JPH09507697A (ja) 1997-08-05
TW317585B (da) 1997-10-11
CN1139464A (zh) 1997-01-01
BR9402395A (pt) 1995-10-17
EP0796367A1 (en) 1997-09-24
NZ278098A (en) 1998-01-26
DE69521336D1 (de) 2001-07-19
AU688447B2 (en) 1998-03-12
DE69521336T2 (de) 2002-04-25
WO1995020065A1 (en) 1995-07-27
FI103898B1 (fi) 1999-10-15

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