RU2220245C2 - Способ разделения лигноцеллюлозной биомассы - Google Patents

Способ разделения лигноцеллюлозной биомассы Download PDF

Info

Publication number
RU2220245C2
RU2220245C2 RU2001130355/12A RU2001130355A RU2220245C2 RU 2220245 C2 RU2220245 C2 RU 2220245C2 RU 2001130355/12 A RU2001130355/12 A RU 2001130355/12A RU 2001130355 A RU2001130355 A RU 2001130355A RU 2220245 C2 RU2220245 C2 RU 2220245C2
Authority
RU
Russia
Prior art keywords
lignin
alkanolamine
carried out
separated
cellulose
Prior art date
Application number
RU2001130355/12A
Other languages
English (en)
Russian (ru)
Other versions
RU2001130355A (ru
Inventor
Тис Карстенс
Original Assignee
Родиа Ацетов Гмбх
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 Родиа Ацетов Гмбх filed Critical Родиа Ацетов Гмбх
Publication of RU2001130355A publication Critical patent/RU2001130355A/ru
Application granted granted Critical
Publication of RU2220245C2 publication Critical patent/RU2220245C2/ru

Links

Images

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
    • D21C1/00Pretreatment of the finely-divided materials before digesting
    • D21C1/02Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21C3/003Pulping cellulose-containing materials with organic compounds

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatment Of Sludge (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Processing Of Solid Wastes (AREA)
RU2001130355/12A 1999-04-12 2000-04-11 Способ разделения лигноцеллюлозной биомассы RU2220245C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19916347.2 1999-04-12
DE19916347A DE19916347C1 (de) 1999-04-12 1999-04-12 Verfahren zum Auftrennen lignocellulosehaltiger Biomasse

Publications (2)

Publication Number Publication Date
RU2001130355A RU2001130355A (ru) 2003-07-27
RU2220245C2 true RU2220245C2 (ru) 2003-12-27

Family

ID=7904218

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001130355/12A RU2220245C2 (ru) 1999-04-12 2000-04-11 Способ разделения лигноцеллюлозной биомассы

Country Status (18)

Country Link
EP (1) EP1190137B1 (cs)
JP (1) JP2002541355A (cs)
CN (1) CN1208514C (cs)
AT (1) ATE255187T1 (cs)
AU (1) AU756976B2 (cs)
BR (1) BR0011169B1 (cs)
CA (1) CA2368872C (cs)
CZ (1) CZ298831B6 (cs)
DE (2) DE19916347C1 (cs)
ES (1) ES2213011T3 (cs)
NO (1) NO20014939L (cs)
NZ (1) NZ515051A (cs)
PL (1) PL203363B1 (cs)
PT (1) PT1190137E (cs)
RU (1) RU2220245C2 (cs)
SK (1) SK14392001A3 (cs)
WO (1) WO2000061858A1 (cs)
ZA (1) ZA200108406B (cs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8182650B2 (en) 2005-05-24 2012-05-22 International Paper Company Modified Kraft fibers
RU2602068C2 (ru) * 2011-05-04 2016-11-10 Ренмэтикс, Инк. Получение лигнина из лигноцеллюлозной биомассы
RU2629062C2 (ru) * 2011-12-30 2017-08-24 Ренмэтикс, Инк. Композиции, включающие лигнин
US10053745B2 (en) 2010-01-19 2018-08-21 Renmatix, Inc. Production of fermentable sugars and lignin from biomass using supercritical fluids
US10793646B2 (en) 2014-09-26 2020-10-06 Renmatix, Inc. Adhesive compositions comprising type-II cellulose

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10049340C1 (de) * 2000-10-05 2002-04-25 Rhodia Acetow Gmbh Verfahren zur Herstellung von Holocellulose durch Delignifizieren von lignocellulosehaltiger Biomasse
DE10109502A1 (de) 2001-02-28 2002-09-12 Rhodia Acetow Gmbh Verfahren zum Abtrennen von Hemicellulosen aus hemicellulosehaltiger Biomasse sowie die mit dem Verfahren erhältliche Biomasse und Hemicellulose
DE10145338C1 (de) * 2001-09-14 2003-04-17 Rhodia Acetow Gmbh Verfahren zum Abtrennen von Hemicellulosen aus hemicellulosehaltiger Biomasse
DE10158120A1 (de) * 2001-11-27 2003-06-18 Ties Karstens Verfahren zum Abtrennen von Xylose aus xylanreichen Lignocellulosen, insbesondere Holz
CN100487059C (zh) * 2005-01-20 2009-05-13 中国科学院过程工程研究所 利用木质纤维原料制备可降解材料的方法
CN1806945B (zh) * 2005-01-20 2010-05-12 中国科学院过程工程研究所 利用秸秆预处理和酶解工艺使秸秆纤维素完全酶解的方法
RU2432368C2 (ru) 2005-07-19 2011-10-27 Инбикон А/С Способ превращения целлюлозного материала в этанол
FI20065105A0 (fi) * 2006-02-10 2006-02-10 Metso Paper Inc Menetelmä hydrolyysituotteiden talteenottamiseksi
FI123036B (fi) 2006-02-10 2012-10-15 Metso Paper Inc Menetelmä hydrolyysituotteiden talteenottamiseksi
ES2360828T3 (es) * 2006-03-29 2011-06-09 Virginia Tech Intellectual Properties, Inc. Fraccionamiento de lignocelulosa a base de disolvente de celulosa con condiciones de reacción moderadas y ciclación de reactivos.
US8968515B2 (en) 2006-05-01 2015-03-03 Board Of Trustees Of Michigan State University Methods for pretreating biomass
US9206446B2 (en) 2006-05-01 2015-12-08 Board Of Trustees Of Michigan State University Extraction of solubles from plant biomass for use as microbial growth stimulant and methods related thereto
BRPI0711139A2 (pt) 2006-05-01 2012-02-22 Michigan State University Processo para o tratamento de carboidratos estruturais em biomassa lignocelulósica, processo para tratamento de uma biomassa vegetal com conteúdo lignocelulósico compreendendo carboidratos estruturais com água naturalmente presente na biomassa para produção de carboidratos estruturais mais digeríveis ou acessíveis, processo para recuperação de amõnia e um tratamento de explosão de fibras de amõnia de uma biomassa lignocelulósica, e sistema
CA2595484A1 (en) * 2006-08-07 2008-02-07 John Allan Fallavollita Process for recovery of holocellulose and near-native lignin from biomass
JP2008054640A (ja) * 2006-09-04 2008-03-13 Univ Of Tokyo バイオマス原料の処理方法、並びに、これを利用した糖の製造方法及びエタノールの製造方法
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
WO2008131229A1 (en) * 2007-04-19 2008-10-30 Mascoma Corporation Combined thermochemical pretreatment and refining of lignocellulosic biomass
JP5520822B2 (ja) * 2007-06-20 2014-06-11 ナーガルジュナ エナジー プライベート リミテッド バイオマス成分の分離プロセス
US7819976B2 (en) * 2007-08-22 2010-10-26 E. I. Du Pont De Nemours And Company Biomass treatment method
CA2698641C (en) * 2007-09-07 2016-03-15 Council Of Scientific & Industrial Research A process for fractionating sugarcane bagasse into high a-cellulose pulp, xylan and lignin
CN101143881B (zh) * 2007-10-11 2011-03-16 孔延华 一种同时提取半纤维素、纤维素以及木质素并回收酚酸类物质的方法
CN101440108B (zh) * 2007-11-23 2011-04-06 中国科学院过程工程研究所 一种实现木质纤维类生物质组分分离的常压脱脂粗甘油预处理方法
CN101210033B (zh) * 2007-12-21 2011-09-07 武汉工程大学 一种植物纤维原料综合利用技术
DE102008013845A1 (de) 2008-03-12 2009-09-17 Zylum Beteiligungsgesellschaft Mbh & Co. Patente Ii Kg Verfahren zur Herstellung von Bioethanol aus lignocellulosischer Biomasse
MY156346A (en) * 2008-06-04 2016-02-15 Inbicon As Devices and methods for discharging pretreated biomass from higher to lower pressure regions
KR101657100B1 (ko) * 2008-10-29 2016-09-19 삼성전자주식회사 리그노셀룰로오스계 바이오매스의 분별방법 및 분별장치
US20120168102A1 (en) * 2009-04-02 2012-07-05 Sung-Hoon Yoon Pulping process for quality protection including methods for hemicellulose extraction and treatment of hemicellulose-extracted lignocellulosic materials
DE102009017051A1 (de) * 2009-04-09 2010-10-21 Zylum Beteiligungsgesellschaft Mbh & Co. Patente Ii Kg Verfahren zur Gewinnung von Zellstoff aus Lignocellulose-haltiger Biomasse
PL2421911T3 (pl) * 2009-04-23 2015-04-30 Greenfield Ethanol Inc Oddzielanie reaktywnej celulozy od biomasy lignocelulozowej o dużej zawartości linigny
JP5657657B2 (ja) * 2009-07-13 2015-01-21 ベータ リニューアブルス エス・ピー・エーBETA RENEWABLES S.p.A. リグニンの高温分離方法
US10457810B2 (en) 2009-08-24 2019-10-29 Board Of Trustees Of Michigan State University Densified biomass products containing pretreated biomass fibers
CA2760840C (en) 2009-08-24 2014-12-02 Board Of Trustees Of Michigan State University Pretreated densified biomass products and methods of making and using same
US8945245B2 (en) 2009-08-24 2015-02-03 The Michigan Biotechnology Institute Methods of hydrolyzing pretreated densified biomass particulates and systems related thereto
US9580454B2 (en) 2009-11-13 2017-02-28 Fpinnovations Biomass fractionation process for bioproducts
EP2333151A1 (en) * 2009-12-11 2011-06-15 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Novel method for processing lignocellulose containing material
EP2531529B1 (en) * 2010-02-03 2016-07-06 Archer Daniels Midland Co. Improved process for fractionation of lignocellulosic biomass
US9034620B2 (en) 2010-03-19 2015-05-19 Poet Research, Inc. System for the treatment of biomass to facilitate the production of ethanol
US10533203B2 (en) 2010-03-19 2020-01-14 Poet Research, Inc. System for the treatment of biomass
CA2797193C (en) 2010-04-19 2015-12-15 Board Of Trustees Of Michigan State University Digestible lignocellulosic biomass and extractives and methods for producing same
WO2011142426A1 (ja) * 2010-05-12 2011-11-17 本田技研工業株式会社 リグノセルロース系バイオマスの糖化前処理物の製造方法及びそれに用いる糖化前処理装置
CA2800996A1 (en) * 2010-06-10 2011-12-15 Arvind Mallinath Lali Process for fractionation of biomass
IT1402202B1 (it) 2010-09-29 2013-08-28 Chemtex Italia S R L Ora Chemtex Italia S P A Procedimento migliorato per recuperare zuccheri da un flusso di pretrattamento di biomassa lignocellulosica
US9932707B2 (en) 2010-11-05 2018-04-03 Greenfield Specialty Alcohols Inc. Bagasse fractionation for cellulosic ethanol and chemical production
US9187862B2 (en) 2010-11-05 2015-11-17 Greenfield Specialty Alcohols Inc. Bagasse fractionation for cellulosic ethanol and chemical production
US20120125551A1 (en) * 2010-11-23 2012-05-24 E. I. Du Pont De Nemours And Company Biomass pretreatment process for a packed bed reactor
US20120125548A1 (en) * 2010-11-23 2012-05-24 E. I. Du Pont De Nemours And Company Continuously fed biomass pretreatment process for a packed bed reactor
WO2012099967A1 (en) 2011-01-18 2012-07-26 Poet, Llc Systems and methods for hydrolysis of biomass
AU2012276247B2 (en) * 2011-06-30 2017-06-29 Nano-Green Biorefineries Inc. Catalytic biomass conversion
US9982317B2 (en) 2011-07-07 2018-05-29 Poet Research, Inc. Systems and methods for acid recycle
CA2838560A1 (en) 2011-07-15 2013-01-24 Frank A. Dottori Conditioning of biomass for improved c5/c6 sugar release prior to fermentation
JP2013143918A (ja) * 2012-01-13 2013-07-25 Jx Nippon Oil & Energy Corp 酵素糖化用原料の製造方法、糖の製造方法、並びにエタノールの製造方法
US10202660B2 (en) 2012-03-02 2019-02-12 Board Of Trustees Of Michigan State University Methods for increasing sugar yield with size-adjusted lignocellulosic biomass particles
EP2878614A1 (en) * 2012-05-03 2015-06-03 Virdia Ltd. Methods for treating lignocellulosic materials
CN102660884B (zh) * 2012-05-11 2014-06-11 南开大学 一种采用氨水蒸汽爆破技术处理秸秆制取半纤维素的方法
FI124553B (fi) 2012-07-11 2014-10-15 Bln Woods Ltd Ab Menetelmä biomassan uuttamiseksi
CN102864668B (zh) * 2012-09-18 2015-03-11 北京林业大学 木质纤维素原料预处理方法
FI127582B (en) * 2014-01-10 2018-09-14 Ab Bln Woods Ltd Procedure for extracting lignin
SE537929C2 (sv) * 2014-02-11 2015-11-24 Daprox Ab Raffinöranordning och ett förfarande för raffinering av cellulosamaterial
BR112016025313A8 (pt) * 2014-05-01 2021-05-04 Renmatix Inc método para produzir lignina funcionalizada
CN104313930B (zh) * 2014-09-22 2016-08-31 洛阳华高轴承科技有限公司 一种利用废弃玉米秸秆造纸制浆的工艺方法
ES2628239T3 (es) * 2014-12-01 2017-08-02 S2P Ag Straw - Pulp & Paper Procedimiento para la fabricación de un fertilizante de licor negro
EA036683B1 (ru) 2015-04-10 2020-12-08 Комет Биорефайнинг Инк. Способы и составы для обработки целлюлозной биомассы и продукты на ее основе
CN105154986A (zh) * 2015-08-04 2015-12-16 江南大学 一种碱预处理、低压力蒸汽闪爆与生物酶联合处理综合利用棉秆皮的方法
CN105198939B (zh) * 2015-09-19 2017-10-10 北京化工大学 一种低分子量木质素的制备方法
CN105672012B (zh) * 2016-01-27 2018-11-06 中信格义循环经济有限公司 从生物质原料中同时提取半纤维素、纤维素和木质素的方法
CN105780569A (zh) * 2016-05-19 2016-07-20 黄德辉 非木纤维工业原料的物理制备方法
CN106040702A (zh) * 2016-06-03 2016-10-26 合肥原印农业科技有限公司 一种农作物秸秆回收制备工艺
FI128486B (en) 2016-07-01 2020-06-15 Ch Bioforce Oy Procedure for conversion of fresh biomass
CN109689852B (zh) 2016-07-06 2022-06-07 威尔迪亚有限责任公司 精制木质纤维素水解产物的方法
CN106368032B (zh) * 2016-09-19 2018-06-22 华南理工大学 一种同时制备纤维素纤维和半纤维素溶液的方法
DE102016219719B3 (de) * 2016-10-11 2018-01-25 Clariant International Ltd. Verfahren zur Gewinnung von Cellulose, Hemicellulose und Lignin aus Lignocellulose aus pflanzlicher Biomasse
KR101736156B1 (ko) 2016-11-14 2017-05-18 주식회사 대경에스코 급속 열분해용 바이오매스 미분쇄 공정을 포함한 바이오 오일 제조 장치 및 그 방법
BR102018004591B1 (pt) 2017-03-08 2019-11-12 Univ Michigan State método de pré-tratamento de biomassa
US11440999B2 (en) 2017-07-07 2022-09-13 Board Of Trustees Of Michigan State University De-esterification of biomass prior to ammonia pretreatment
AU2019265921A1 (en) 2018-05-10 2020-11-26 Comet Biorefining Inc. Compositions comprising glucose and hemicellulose and their use
CN110894248A (zh) * 2018-09-12 2020-03-20 上海昶法新材料有限公司 一种从预水解液中提取半纤维素的方法
SE1950785A1 (en) * 2019-06-26 2020-11-03 Valmet Oy Method for extracting hemicellulose from lignocellulosic material
CA3074194A1 (en) * 2020-02-28 2021-08-28 Fluid Energy Group Ltd. Modified sulfuric acid and uses thereof
EP4023813A1 (de) * 2020-12-29 2022-07-06 Technische Universität Wien Verfahren zur herstellung von produkten auf basis von holz als rohstoff
EP4023812A1 (de) * 2020-12-29 2022-07-06 MM BOARD & PAPER GmbH Verfahren zur herstellung von produkten auf basis von holz als rohstoff
WO2023047423A1 (en) * 2021-09-27 2023-03-30 Fuma Labs Private Limited Process for treatment of biomass for pulping and biorefinery applications
CN116178576A (zh) * 2022-12-12 2023-05-30 国科绿海(天津)科技发展有限公司 一种金竹草全质化多产物的分离处理方法
CN116856188A (zh) * 2023-07-12 2023-10-10 湖南山润油茶科技发展有限公司 一种从油茶蒲中制备纤维素纤维的方法及所制备的纤维素纤维

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192202A (en) * 1936-10-23 1940-03-05 Floyd C Peterson Pulping process
US4397712A (en) * 1975-02-12 1983-08-09 New Fibers International Semi-chemical pulping process
DE2803465A1 (de) * 1978-01-27 1979-08-02 Hans Dipl Ing Knauth Verfahren zur erzeugung von zellstoff aus pflanzlichen faserrohstoffen unter verwendung organischer loesungsmittel - hydrosolvverfahren
US4259151A (en) * 1978-11-22 1981-03-31 New Fibers International Pulping apparatus
FR2518573A1 (en) * 1981-12-21 1983-06-24 British Petroleum Co Saccharification of lignocellulosic material - involves pretreatment with delignifying solvent comprising an amine, pref. ethanolamine, and enzymatic hydrolysis
US4548675A (en) * 1983-05-16 1985-10-22 New Fibers International Nonsulfur chemimechanical pulping process
CA1232109A (en) * 1984-12-11 1988-02-02 Peter K. Kauppi Pulping process
CA1322366C (en) * 1989-09-29 1993-09-21 Quang A. Nguyen Continuous leaching of lignin or hemicellulose and lignin from steam pretreated lignocellosic particulate material
DE19730486C2 (de) * 1997-07-16 2000-02-24 Rhodia Acetow Ag Verfahren zur Behandlung von lignocellulosehaltiger Biomasse

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8182650B2 (en) 2005-05-24 2012-05-22 International Paper Company Modified Kraft fibers
RU2454494C2 (ru) * 2005-05-24 2012-06-27 Интернэшнл Пэйпа Кампани Способ производства модифицированной целлюлозы для использования в продуктах из бумаги или бумажного полотна, беленая модифицированная сульфатная целлюлоза, бумага или картон
US8328983B2 (en) 2005-05-24 2012-12-11 International Paper Company Modified kraft fibers
US10053745B2 (en) 2010-01-19 2018-08-21 Renmatix, Inc. Production of fermentable sugars and lignin from biomass using supercritical fluids
US10858712B2 (en) 2010-01-19 2020-12-08 Renmatix, Inc. Production of fermentable sugars and lignin from biomass using supercritical fluids
RU2602068C2 (ru) * 2011-05-04 2016-11-10 Ренмэтикс, Инк. Получение лигнина из лигноцеллюлозной биомассы
RU2629062C2 (ru) * 2011-12-30 2017-08-24 Ренмэтикс, Инк. Композиции, включающие лигнин
US9963555B2 (en) 2011-12-30 2018-05-08 Renmatix, Inc. Compositions comprising lignin
US10793646B2 (en) 2014-09-26 2020-10-06 Renmatix, Inc. Adhesive compositions comprising type-II cellulose

Also Published As

Publication number Publication date
CN1208514C (zh) 2005-06-29
PT1190137E (pt) 2004-04-30
CA2368872A1 (en) 2000-10-19
JP2002541355A (ja) 2002-12-03
WO2000061858A1 (de) 2000-10-19
SK14392001A3 (sk) 2002-04-04
AU4399500A (en) 2000-11-14
ES2213011T3 (es) 2004-08-16
BR0011169B1 (pt) 2011-02-22
NO20014939D0 (no) 2001-10-10
ZA200108406B (en) 2002-12-24
DE50004573D1 (de) 2004-01-08
NZ515051A (en) 2003-03-28
CN1352716A (zh) 2002-06-05
CA2368872C (en) 2005-11-29
NO20014939L (no) 2001-12-04
DE19916347C1 (de) 2000-11-09
CZ20013627A3 (cs) 2003-10-15
EP1190137A1 (de) 2002-03-27
CZ298831B6 (cs) 2008-02-20
PL351393A1 (en) 2003-04-07
BR0011169A (pt) 2002-02-19
ATE255187T1 (de) 2003-12-15
PL203363B1 (pl) 2009-09-30
EP1190137B1 (de) 2003-11-26
AU756976B2 (en) 2003-01-30

Similar Documents

Publication Publication Date Title
RU2220245C2 (ru) Способ разделения лигноцеллюлозной биомассы
RU2001130355A (ru) Способ разделения лигноцеллюлозной биомассы
RU2011113398A (ru) Способ интегрированного получения целлюлозы и пригодных для повторного использования низкомолекулярных веществ
FI62140B (fi) Foerfarande foer framstaellning av glukos av cellulosahaltiga vaextraoaemnen
CN103711017B (zh) 一种以高沸醇为溶剂常压超声波辅助制备纤维素和木质素的方法
KR101390386B1 (ko) 바이오매스 성분을 분리하는 방법
US20060169430A1 (en) Method for producing pulp and lignin
KR100638607B1 (ko) 대나무를 이용하여 생산하는 자일로스 생산방법
CA2715458A1 (en) Separation of reactive cellulose from lignocellulosic biomass with high lignin content
US6251221B1 (en) Process for preparing cellulose from lignin-poor cellulose-containing feed stocks
US10927497B2 (en) Methods for the production of high alpha-cellulose pulp
US4087316A (en) Process for obtaining seed hull commodities including cellulosic fibers and xylitol
JP7104507B2 (ja) セルロースの分離方法
WO1999067409A1 (en) Method of treating biomass material
US2166540A (en) Alcoholic treatment of ligneous cellulosic material
US2284500A (en) Hydrolysis of cellulosic materials
US3522230A (en) Process for separating lignin from vegetable material using a mixture of triethyleneglycol and arylsulfonic acids
CN109081787A (zh) 一种从黎豆中提取左旋多巴的工艺
BR102022005698A2 (pt) Processo para tratamento de biomassa lignocelulósica
CN109337092B (zh) 一种从笋壳中提取木质素的方法
JP6423838B2 (ja) 溶解クラフトパルプの製造方法
US20190309473A1 (en) Methods for the production of pulp and hemicellulose
GB2017707A (en) Process for Treating Cellulosic Materials and Obtaining Glucose Therefrom
JP6075976B2 (ja) 溶解クラフトパルプの製造方法
CN114921874A (zh) 一种莱赛尔纤维生产过程中废胶中nmmo溶剂回收方法

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20060412