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Ein ganzheitlicher Ansatz für Mehrwertprodukte aus Lignozellulose-Biorefineri

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Zuletzt aktualisiert am 01. Apr. 2024 14:44:53 MESZAlle Änderungen ansehenAlle Änderungen ansehen

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Artikelzustand
Neu: Neues, ungelesenes, ungebrauchtes Buch in makellosem Zustand ohne fehlende oder beschädigte ...
ISBN-13
9783030075880
Type
NA
Publication Name
NA
ISBN
9783030075880
Book Title
Integrated Approach for Added-Value Products from Lignocellulosic Biorefineries : Vanillin, Syringaldehyde, Polyphenols and Polyurethane
Item Length
9.2in
Publisher
Springer International Publishing A&G
Publication Year
2019
Format
Trade Paperback
Language
English
Item Height
0.4in
Author
Alirio Egidio Rodrigues, Maria Filomena Barreiro, Paula Cristina De Oliveira Rodrig Pinto
Genre
Technology & Engineering, Science
Topic
Industrial Engineering, Chemical & Biochemical, Power Resources / Alternative & Renewable, Chemistry / Industrial & Technical, Construction / Carpentry
Item Width
6.1in
Item Weight
16 Oz
Number of Pages
Xii, 166 Pages

Über dieses Produkt

Product Information

This book offers the state of the art on the progress and accomplishments of 25 years of research at the Associate Laboratory LSRE-LCM - Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials on lignin conversion to value-added products and their downstream separation. The first valorisation pathway presented for lignin is its partial depolymerisation by oxidation for the production of low molecular weight phenolic compounds, such as vanillin and syringaldehyde, and the second one is the lignin application as macromonomer for polyurethane synthesis. In this book, the authors present the integration of these two valorisation pathways as an exclusive vision of LSRE-LCM resulting from hands-on experience on reaction and separation processes: the integrated process for lignin valorisation. In this perspective, the lignin is oxidized to simultaneously produce syringaldehyde and vanillin, and the obtained by-products to produce a polyol for lignin-based polyurethanes, completing the lignin value chain. On the perspective of pulp mill-related biorefineries, a valorisation route for eucalyptus bark is also presented, focusing on LSRE-LCM experience on extraction and separation of bioactive polyphenols, giving some insights about further integration of extracted bark on biorefining operations.

Product Identifiers

Publisher
Springer International Publishing A&G
ISBN-10
3030075885
ISBN-13
9783030075880
eBay Product ID (ePID)
14038633009

Product Key Features

Book Title
Integrated Approach for Added-Value Products from Lignocellulosic Biorefineries : Vanillin, Syringaldehyde, Polyphenols and Polyurethane
Author
Alirio Egidio Rodrigues, Maria Filomena Barreiro, Paula Cristina De Oliveira Rodrig Pinto
Format
Trade Paperback
Language
English
Topic
Industrial Engineering, Chemical & Biochemical, Power Resources / Alternative & Renewable, Chemistry / Industrial & Technical, Construction / Carpentry
Publication Year
2019
Genre
Technology & Engineering, Science
Number of Pages
Xii, 166 Pages

Dimensions

Item Length
9.2in
Item Height
0.4in
Item Width
6.1in
Item Weight
16 Oz

Additional Product Features

Number of Volumes
1 Vol.
Lc Classification Number
Tp1-1185
Table of Content
1. Chemical pulp mills as biorefineries 1.1 General overview: delignification industrial processes 1.2 Side-streams and current recovery cycles of chemicals and energy in typical mills 1.3 The integration of new biorefinery processes in pulp industries 1.4 Lignin: the main side-stream from delignification processes 1.4.1 Types of lignins and up-to-date market 1.4.2 Lignins from new incoming delignification processes 1.4.3 The cost and the revenues of lignin separation from liquid side streams in a pulp mill 1.5 Lignin characterization and classification 1.5.1 Impact of delignification process on the structure of the lignin 1.5.2 Radar tool for lignin classification on the perspective of it valorization 1.5.3 Improving and recognizing the lignin quality in biorefineries 1.6 Bark: an unrecognized valuable lignocellulosic material 1.6.1 Chemical composition. The particular case of Eucalyptus globulus bark 1.6.2 &n bsp; Current and potential commercial products from bark 2. Integrated process for vanillin and syringaldehyde production from kraft lignin 2.1 Oxidation of lignin with O2 in alkaline medium 2.1.1 Batch oxidation 2.2.1.1 Kinetics and modelling of reaction in batch reactor for vanillin production 2.2.1.2 Syringaldeh yde as the main product from hardwood lignins 2.2.1.3 Oxidation of Eucalyptus globulus kraft pulping liquor versus kraft lignin 2.1.2 Oxidation in co-current gas-liquid flow structured packed reactor 2.1.2.1 Experimental and modelling of vanillin production 2.1.2.2 Experiments of oxidation of hardwood pulping liquor and lignins 2.2 Separation processes 2.2.1 Membrane separation of phenolates from depolymerized lignin 2.2.2 Ion exchange process for vanillin recovery 2.2.3 Adsorption and desorption of vanillin and syringaldehyde onto polymeric resins 2.3 The integrated process for complete lignin valorization into phenolic compounds and polyurethanes 3. Polyurethanes from recovered and depolymerized lignins 3.1 Overview of strategies and opportunities 3.2 Lignin use as such &n bsp; 3.2.1 Reactive filler in polyurethane foams 3.2.2 Additive to enhance biodegradability 3.2.3 Co-monomer to produce elastomers 3.3 Lignin use after chemical modification 3.3.1 Overview of lignin liquefaction processes 3.3.2 Oxypropylation as a viable route to produce liquid polyols 3.3.3 Screening of opportunities for oxypropylated lignin 3.3.4 Production of rigi d polyurethane foams3.4. Lignin use after depolymerization 4. Polyphenols from bark of Eucalyptus globulus 4.1 Composition of polar extracts 4.2 Extraction of polyphenols 4.2.1 Water and alkaline extractions: selectivity and concentration strategy 4.2.2 Ethanol/water extraction: process optimization for phenolic compounds 4.2.3 Screening for valuable applications: tanning proprieties and biological activity 4.3 Fractionation of ethanolic extracts from Eucalyptus globulus bark 4.3.1 Membrane processing 4.3.1.1 Resistance and cake build up analysis in the ultrafiltration of ethanol:water extract (80:20 v/v) 4.3.1.2 Application of ultrafiltration and nanofiltration to etanol/water extract (52:48 v/v) 4.3.2 Diafiltration and adsorption for purification and concentration of polyphenols 5. Conclusions and future perspectives 6. References
Copyright Date
2018
Target Audience
Trade
Illustrated
Yes

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