mineral metallurgy organosolv lignin
Lignin Production by Organosolv Fractionation of
Organosolv particularly effective for straw Recycling organic solvent crucial process element to be studied further Organosolv lignin: Efficient separation of lignin High purity up to 96 for wheat straw derived lignin Promising properties for production of chemicals and performance products
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New Biorefinery Strategy for High Purity Lignin Production
The strategy for new organosolv biorefinery presented here was to sequentially remove the extractives before pulping The products obtained from organosolv pulping of aspen wood with a Lewis acid catalyst were compared to those from processes performed with the same wood and solvent system, but without or with mineral acid as catalyst
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Organosolv lignin for biofuel ScienceDirect
Organosolv lignin has some advantages over kraft lignin Thus, the former has a lower glassy transition temperature and is the easier to process thermally This makes it an attractive thermal fuel as it has a higher fluidity index and it can be more easily fed into oven and boiler combustion chambers
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PDF Recent Advances in Organosolv Fractionation of
Recent Advances in Organosolv Fractionation of Lignocellulosic Biomass W J J Huijgen A T Smit R J H Grisel J W van Hal June 2015 ECN L 15 043 Recent Advances in Organosolv Fractionation of Lignocellulosic Biomass W J J Huijgen, A T Smit, R J H Grisel J W van Hal Vienna, Austria 2th June 2015 Energy research Centre of the Netherlands ECN Mission: With and for the
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Lignin, organosolv Sigma Aldrich
Lignin, organosolv CAS Number: 8068 03 9 find Sigma Aldrich 371017 MSDS, related peer reviewed papers, technical documents, similar products more at Sigma Aldrich
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Pretreatment and Fractionation of Wheat Straw by an
Acetone based organosolv fractionation of wheat straw was studied to produce sugars and lignin in a lignocellulose biorefinery The influence of acetone water ratio, reaction time, and temperature on fractionation degree, lignin yield, and enzymatic digestibility of the
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Fractionation of cornstalk into cellulose and lignin for
Fractionation of cornstalk into cellulose and lignin for the production of sodium carboxymethyl cellulose Tao Shui The University of Western Ontario Supervisor CharlesChunbao Xu The University of Western Ontario Joint Supervisor Takashi Kuboki The University of Western Ontario Graduate Program in Chemical and Biochemical Engineering
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6e Organosolv Revisited AIChE
Mar 14, 2011 The usage of Organosolv lignin as a polyphenol source is just one economically interesting alternative premising a pure isolation A very promising application is the use of Organosolv lignin as a source for ammonoxidized lignins which can be applied as soil improvers
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Volume 18 Number 9 7 May 2016 Pages 25632910 Green
Not all linkages of the lignincarbohydrate complex are broken, resulting in a significant amount of residual sugars in the isolated alkaline lignins In addition, considerable amounts of residual minerals typically remain in the lignin fraction Organosolv pulping is a promising alternative in that it
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Pyrolysis of wheat straw derived organosolv lignin
Journal of Analytical and Applied Pyrolysis 93 2012 95103 Contents lists available at SciVerse ScienceDirect feedstock minerals, and process chemicals Pyrolysis of wheat straw derived organosolv lignin In respectively this paper we present an innovative integrated biorefinery approach
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Unprofitable lignin to become valuable plastic Natural
The lignin based resin will compete directly with ABS resin, a durable plastic commonly used in home siding and window products, bumpers on cars, whitewater canoes and many household products Realizing that difference in value and expanding markets for lignin makes an integrated biorefinery financially viable, said Singsaas
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UV Vis Spectroscopy and Chemometrics for the Monitoring of
organosolv process, used in this work, extracts relatively pure, low molecular weight lignin from biomass This lignin shows a minimum of carbohydrate and mineral impurities and facilitates lignin applications with a higher value than heat and power generation
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EP3453728A1 A method for manufacturing a lignin modified
The invention relates to a method for manufacturing a lignin modified polyphenolic product to be used in the treatment of leather or skin, comprising the steps of: reacting a hydroxybenzene compound with sulphuric acid and diluting the reaction mixture with water wherein the method further comprises either: adding urea to the reaction mixture obtained in step , adding
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The CIMV organosolv Process Biocore Project
CIMV PROCESS : ORGANOSOLV TECHNOLOGY Raw Material wood, straw, bagasse, « Mechanical conditioning Organic refining Sugars Lignin Cellulose Organics acids recycling Delignification Deacidification GLUCOSE Separation lignins / sugars BIOLIGNINTM C 5 SUGARS SYRUP Enzymatic hydrolysis CELLULOSIC PULP CIMV1 CIMV 2 CIMV 3 CIMV 4 5 CIMV 6 CIMV
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US Patent for Method for the treatment of wood with metal
In accordance with a specific embodiment of the invention, in the method of treating wood to prevent decay, the lignin for the wood preservative composition used in said method is selected from the group consisting of alkali lignin, organosolv lignin, partially desulfonated sulfite lignin, and alkali, or organosolv lignin that is chemically
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US Patent for Method for the treatment of wood with metal
In accordance with a specific embodiment of the invention, in the method of treating wood to prevent decay, the lignin for the wood preservative composition used in said method is selected from the group consisting of alkali lignin, organosolv lignin, partially desulfonated sulfite lignin, and alkali, or organosolv lignin that is chemically
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Kinetics of Hydrothermal Furfural Production from
material 14 After dissolving, lignin can be simple separated by dilution precipitation with water Finally, a lignin depleted aqueous solution rich in hemicellulose is obtained Since all lignocellulosic fractions can be used, organosolv pulping is a promising approach for a lignocellulose feedstock biorefinery
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Lignocellulose biorefinery cbp fraunhofer de
Organosolv lignin for a wide range of applications In the second phase of the collaborative project Lignocellulose Biorefinery the concept of a woodbased biorefinery was successfully implemented on the pilot scale at the Fraunhofer CBP in Leuna
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UNIVERSITI PUTRA MALAYSIA ORGANOSOLV PULPING OF
alkaline organosolv processes commonly make use of NaOH or Na2So3 The role of organic solvents is simply to promote the dissolution of lignin The organosolv Processes There are 3 existing recognized organosolv pulping processes Aziz and Sarkanen, 1989 namely, 1 Kleinert 2 ALCELL and 3 MD Kleinert organosolv Process
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Novel organosolv delignification method yielding strong
Novel organosolv delignification method yielding strong fibers and reactive lignin Hannu Mikkonen, Anna Suurnäkki, Tero Malm, Vesa Kunnari, Soili Peltonen and Tarja Tamminen VTT Technical Research Centre of Finland, P O Box 1000, FI 02044, VTT, Finland INTRODUCTION Many of the known organosolv methods employ strong mineral acid catalyst
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Effect of Process Parameters in Pilot Scale Operation on
2019 Organosolv lignin factors, BioResources 142, 4543 4559 4543 Effect of Process Parameters in Pilot Scale Operation on Properties of Organosolv Lignin Christine Rossberg,a bRon Janzon,b aBodo Saake, and Moritz Leschinsky ,* One of the major challenges in transforming from fossil to bio based
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Effect of organosolv and soda pulping processes on the
Request PDF on ResearchGate Effect of organosolv and soda pulping processes on the metals content of non woody pulps In this work the effect of different pulping processes ethyleneglycol
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6e Organosolv Revisited Biomass Valorization with New
Mar 14, 2011 The usage of Organosolv lignin as a polyphenol source is just one economically interesting alternative premising a pure isolation A very promising application is the use of Organosolv lignin as a source for ammonoxidized lignins which can be applied as soil improvers
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Grant Recipients Grants Awards
Towards the Commercialization of PLA/organosolv Lignin Filament for 3D Printing Recipient: Matthew OReilly UW River Falls Discovery of Emmacin Related Dihydropyrimidine Analogs as Dihydrofolate Reductase Inhibitors with Narrow and Broad Spectrum Antibiotic Activity Recipient: Kim Pierson UW Eau Claire Efficient Low Cost Solar Water Heater
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Univeristy of Belgrade, Faculty of Technology and
Welding effectiveness is therefore directly associated with the properties of the original wood constituents, primarily lignin and carbohydrates The lignin related changes at the welded interface were greater for sugar maple than for yellow birch, corroborating mechanical property differences observed between the two species
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ODWLRQLQFHOOXORVHWULDFHWDWHILOPV
lignin from vegetal sources, organosolv and kraft pulping processes are particularly relevant In the organosolv process, lignin is extracted with an organic solvent and water, usually in the presence of an acid catalyst Advantages are that such lignin has a low molecular weight compared with lignin obtained from other processes and contains many
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Momentum fractionation on superstrataJournal Article
In this study, lignin fractions with different molecular weight were prepared using a simple and almost green method from switchgrass and pine organosolv lignin Different proportions of acetone in water, ranging from 30 to 60 , were used for lignin fractionation
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PDF Fragmentation of Lignin from Organosolv Black Liquor
PDF The mycelial growth ability of 13 white rot fungi were separately evaluated in kraft, organosolv, and soda black liquor agar plates The fungus able to best grow and decolorize black liquor
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Bioconversion of bamboo to bioethanol using the two stage
Bioconversion of bamboo to Bioethanol Using the Two stage Organosolv and Alkali Pretreatment Zhiqiang Li, Zehui Jiang,* Benhua Fei, Xinge Liu, and Yan Yu The concentrations of sugar and lignin in the organosolv pretreatment stage were almost the same As discussed above, an increase in the alkali dosage increased the removal of components
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Polymers Free Full Text Study of Organosolv Lignins as
Organosolv lignins obtained from sugar maple bark and wood were studied as adhesives for wood particleboard production Organosolv pulping of sugar maple wood and bark was carried out in the presence of Lewis acid FeCl3 as a catalyst The organosolv lignins recovered from this process were investigated by determination of Klason plus acid soluble lignin content, of sugars by HPLC analysis,
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Conversion of technical lignins to SpringerLink
In this paper, the latter is disserted The characteristics of technical lignins, which include kraft lignin, lignosulfonate, and organosolv lignin, and their conversion to functional materials such as polyesters, polyethers, polyurethanes, etc and the applications of lignin based materials in
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Wheat Straw Using Different Precipitation Setups
direct precipitation of lignin in micro to nanoscale from wheat straw organosolv pretreatment extracts The organosolv pretreatment parameters were fixed while comparing different precipitation setups and conditions in order to identify the most suitable precipitation process for production of micro to nanoscale lignin
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Fundamentals of Biomass Pretreatment by Fractionation
chemistry of organosolv delignification, a key component of biomass fractionation by this method, and the nature of organosolv lignin are described Other aspects, including modifications in the structure and crys tallinity of cellulose after organosolv pretreatment and
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PDF Hydroxymethylation and oxidation of Organosolv
The use of aqueous acetic acid with mineral acids tions of the lignin, which are close to the values of other Acetosolv process was optimized for the pulping of lignins obtained from sugarcane bagasse 13 d 1=2 sugarcane bagasse and eucalyptus wood Benar, 1992 Ferraz et al , 1997
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Comparison of lignin derivatives as substrates for laccase
Organosolv lignin is recovered from organosolv pulping, which is a pulping technique where organic solvents are used to extract lignin and hemicellulose The organosolv process is studied as a pretreatment method for bioconversion of lignocellulose Thus, hydrolytic lignin and organosolv lignin are potential co products of
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Pulping IOM3
Pulping is the production of a fibre suspension to use for paper making The raw material is pulped by chemical or mechanical means or a combination of the two, which allows for the separation of individual fibres Pulps for the manufacture of paper
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Fundamentals of Biomass Pretreatment by Fractionation
chemistry of organosolv delignification, a key component of biomass fractionation by this method, and the nature of organosolv lignin are described Other aspects, including modifications in the structure and crys tallinity of cellulose after organosolv pretreatment and
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Process design of lignocellulosic biomass fractionation
at elevated temperatures, reducing lignin content and removing some hemicellulose while decrystallising cellulose o Organosolv process These processes use an organic solvent or mixtures of organic solvents with water like methanol, ethanol or acetone for removal of lignin before enzymatic hydrolysis of
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Dissolved air flotation: A novel approach to recovery of
May 01, 2009 Read Dissolved air flotation: A novel approach to recovery of organosolv lignin, Chemical Engineering Journal on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips
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Organosolv pretreatment for enzymatic hydrolysis of
Pulping catalysts were various concentrations of mineral acids H 2 SO 4 or H 3 PO 4 or salts NaHSO 4 Lignins were isolated by: 1 precipitation through the addition of water of the major lignin fraction waterinsoluble lignin and 2 solubilization in acetone to yield a small fraction of acetone soluble lignin
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PDF Recent Advances in Organosolv Fractionation of
Recent Advances in Organosolv Fractionation of Lignocellulosic Biomass W J J Huijgen A T Smit R J H Grisel J W van Hal June 2015 ECN L 15 043 Recent Advances in Organosolv Fractionation of Lignocellulosic Biomass W J J Huijgen, A T Smit, R J H Grisel J W van Hal Vienna, Austria 2th June 2015 Energy research Centre of the Netherlands ECN Mission: With and for the
more+
Fractionation of cornstalk into cellulose and lignin for
Fractionation of cornstalk into cellulose and lignin for the production of sodium carboxymethyl cellulose Tao Shui The University of Western Ontario Supervisor CharlesChunbao Xu The University of Western Ontario Joint Supervisor Takashi Kuboki The University of Western Ontario Graduate Program in Chemical and Biochemical Engineering
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Organosolv an overview ScienceDirect Topics
Organosolv pretreatment is reported to yield readily hydrolyzable substrates with good cellulose to glucose conversion decreased crystallinity and low lignin content However, organosolv pretreatment is an expensive process, and the solvents used must be recovered to reduce costs
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Process design of lignocellulosic biomass fractionation
at elevated temperatures, reducing lignin content and removing some hemicellulose while decrystallising cellulose o Organosolv process These processes use an organic solvent or mixtures of organic solvents with water like methanol, ethanol or acetone for removal of lignin before enzymatic hydrolysis of
more+
Pyrolysis of wheat straw derived organosolv lignin
Journal of Analytical and Applied Pyrolysis 93 2012 95103 Contents lists available at SciVerse ScienceDirect feedstock minerals, and process chemicals Pyrolysis of wheat straw derived organosolv lignin In respectively this paper we present an innovative integrated biorefinery approach
more+
Organosolv process BIO
The New Organosolv Process High quality primary products Organosolv primary product advantages July 20, 2015 BIO World Congress 2015 Organosolv Kraft Steam explosion Lignin High purity, low sulphate, low ash, suitable for chemical and other use Medium purity, mainly for thermal treatment Very low purity, only thermal treatment
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An Overview on the Use of Lignin and Its Derivatives in
Lignin is a highly abundant bio polymeric material that constitutes cellulose one of major component in cell wall of woody plants Alternatively, large quantity of lignin is yearly available from numerous pulping and paper industries this is the key point that justifies its large use for industrial applications Lignin could be one of the most essential and sustainable bio resources as raw
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Selective depression mechanism of ferric chromium lignin
Abstract Selective recovery of chalcopyritegalena ore by flotation remains a challenging issue The development of highly efficient, low cost, and environmentally friendly depressants for this flotation is necessary because most of available reagents e g , K 2 Cr 2 O 4 are expensive and adversely affect the environment In this study, ferric chromium lignin sulfonate FCLS, which is a
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Lignin
Lignin is a class of complex organic polymers that form key structural materials in the support tissues of vascular plants and some algae Lignins are particularly important in the formation of cell walls, especially in wood and bark, because they lend rigidity and do not rot easily Chemically, lignins are cross linked phenolic polymers
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Characterization of Organosolv Lignins using Thermal and
Characterization of Organosolv Lignins using Thermal and FT IR Spectroscopic Analysis Rhea J Sammons,a David P Harper,*,b Nicole Labbé,b Joseph J Bozell,b Thomas Elder,c and Timothy G Rials b A group of biomass derived lignins isolated using organosolv Organosolv lignin analysis,
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Organosolv
In industrial paper making processes, organosolv is a pulping technique that uses an organic solvent to solubilise lignin and hemicellulose It has been considered in the context of both pulp and paper manufacture and biorefining for subsequent conversion of cellulose to fuel ethanol
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Momentum fractionation on superstrataJournal Article
In this study, lignin fractions with different molecular weight were prepared using a simple and almost green method from switchgrass and pine organosolv lignin Different proportions of acetone in water, ranging from 30 to 60 , were used for lignin fractionation
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