Catalysis for Biomass Conversion: Innovative Processes, Theory and Computational Methods

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Biomass Catalysis".

Deadline for manuscript submissions: closed (20 December 2023) | Viewed by 6066

Special Issue Editors


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Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center "Krasnoyarsk Science Center SB RAS", Akademgorodok, 50/24, Krasnoyarsk, Russia
Interests: theoretical and experimental investigation of modified natural chemistry compounds; synthesis of new derivatives of natural substances; methods of alkylation and sulfation of polysaccharides and lignin
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Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center "Krasnoyarsk Science Center SB RAS", Akademgorodok, 50/24, Krasnoyarsk, Russia
Interests: chemical reaction engineering; heterogeneous catalysis and conversion of renewable resources and waste; catalytic fractionation of woody biomass in an oxidizing environment to produce purified hemicellulose; chemical modification of hemicelluloses
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Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy
Interests: catalysis for sustainability; MW-assisted chemistry; biocatalysis; enzymatic reactions; fermentation; bioprocesses optimization; catalytic conversion; lignocellulosic biomass; biofuels synthesis
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Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy
Interests: catalysis for sustainability; MW-assisted chemistry; nanomaterials; catalytic conversion; lignocellulosic biomass; biofuels synthesis; heterogeneous catalysts; synthesis of tailored catalytic systems
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Special Issue Information

Dear Colleagues,

Plant biomass consists of three main components: lignin, cellulose and hemicellulose. Currently, research is being actively conducted on the processing of these components into valuable chemicals, which could lead to the replacement of a wide range of petroleum products with modified components of plant materials.

Various catalysts are used for the processing of plant raw material components. For example, Ru/C, Pt/C, Rh/C, ZnPd/C, Ni/C, Pt/ZrO2, Pd/ZrO2 and many other catalysts have been used for the hydrogenation of lignocellulosic biomass, leading to the production of various methoxyphenols, celluloses and other valuable chemicals. In addition, an important area of research is the development, production and study of new biomass-conversion catalysts and their comparison with traditional catalysts.

Recently, the number of unique studies on the production of new modified derivatives of plant biomass components by catalytic methods has increased. These derivatives, due to their wide range of properties, can be used in many areas—from medicine and pharmacology to construction and the food industry.

Along with actively developing experimental studies of catalysts and processes for the processing of lignocellulosic biomass components, attention is also paid to theoretical calculation methods. Thanks to these methods, it is possible to predict a number of physicochemical properties of new materials, to study the patterns and ways of synthesis of individual components on certain catalysts, and much more.

Additionally, this Special Issue welcomes reviews on the catalytic processing of biomass (including fermentative catalysis) and its components, and on theoretical computational methods for studying both catalytically modified biosubstances as well as catalysts and catalytic processes. At the same time, the discussion of new areas of application, market prospects for new biomass conversion catalysts and other products is also welcome.

Dr. Aleksandr S. Kazachenko
Dr. Yuriy N. Malyar
Dr. Nicola Di Fidio 
Prof. Dr. Anna Maria Raspolli Galletti
Guest Editors

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Keywords

  • catalytic conversion of biomass and its components
  • catalyst research
  • new functional materials from biomass
  • ecology of biomass processing
  • recycling of industrial lignocellulose waste
  • calculations of new materials and catalysts
  • characterization of catalytic materials
  • kinetics and catalysis
  • prospects for the development of the market of catalysts for the production of chemicals
  • fermentative catalysis

Published Papers (2 papers)

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Research

37 pages, 11710 KiB  
Article
Kinetic Modelling of Esterification and Transesterification Processes for Biodiesel Production Utilising Waste-Based Resource
by M. A. Hazrat, Mohammad G. Rasul, Mohammad M. K. Khan, Nanjappa Ashwath, Arridina S. Silitonga, I. M. R. Fattah and T. M. Indra Mahlia
Catalysts 2022, 12(11), 1472; https://doi.org/10.3390/catal12111472 - 18 Nov 2022
Cited by 7 | Viewed by 3374
Abstract
Process optimisation and reaction kinetic model development were carried out for two-stage esterification-transesterification reactions of waste cooking oil (WCO) biodiesel. This study focused on these traditional processes due to their techno-economic feasibility, which is an important factor before deciding on a type of [...] Read more.
Process optimisation and reaction kinetic model development were carried out for two-stage esterification-transesterification reactions of waste cooking oil (WCO) biodiesel. This study focused on these traditional processes due to their techno-economic feasibility, which is an important factor before deciding on a type of feedstock for industrialisation. Four-factor and two-level face-centred central composite design (CCD) models were used to optimise the process. The kinetic parameters for the esterification and transesterification processes were determined by considering both pseudo-homogeneous irreversible and pseudo-homogeneous first-order irreversible processes. For the esterification process, the optimal conditions were found to be an 8.12:1 methanol to oil molar ratio, 1.9 wt.% of WCO for H2SO4, and 60 °C reaction temperature for a period of 90 min. The optimal process conditions for the transesterification process were a 6.1:1 methanol to esterified oil molar ratio, 1.2 wt.% of esterified oil of KOH, reaction temperature of 60 °C, and a reaction time of 110 min in a batch reactor system; the optimal yield was 99.77%. The overall process conversion efficiency was found to be 97.44%. Further research into reaction kinetics will aid in determining the precise reaction process kinetic analysis in future. Full article
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17 pages, 5916 KiB  
Article
Hydrogenation of Flax Shives in Ethanol over a Ni/C Catalyst
by Angelina V. Miroshnikova, Aleksandr S. Kazachenko, Valery E. Tarabanko, Valentin V. Sychev, Andrey M. Skripnikov, Yuri L. Mikhlin, Yuriy Kosivtsov, Anna I. Chudina and Oxana P. Taran
Catalysts 2022, 12(10), 1177; https://doi.org/10.3390/catal12101177 - 5 Oct 2022
Cited by 5 | Viewed by 1529
Abstract
Hydrogenation of flax shives in ethanol over bifunctional Ni/C catalysts at 225 °C has been studied. It has been shown that the 10% Ni/C catalyst enhances the yield of monomeric products from 1.1 to 9.7 wt %, decreases the solid product content from [...] Read more.
Hydrogenation of flax shives in ethanol over bifunctional Ni/C catalysts at 225 °C has been studied. It has been shown that the 10% Ni/C catalyst enhances the yield of monomeric products from 1.1 to 9.7 wt %, decreases the solid product content from 45 to 35 wt %, and increases the degree of delignification to 91%. The main monomeric compounds obtained during hydrogenation are propyl guaiacol and propenyl guaiacol. It has been established that an increase in the mass transfer intensity via increasing the stirring rate or decreasing the catalyst grain size leads to an increase in the total yield of monomeric compounds and the propanol guaiacol yield. Alkaline and acid pretreatment increases the cellulose content in the solid product from 42 to 73 wt %. The proposed sequential scheme of the transformation and formation of monomeric products over the bifunctional nickel catalyst is lignin—coniferyl alcohol—4-propanol guaiacol—4-propenyl guaiacol—4-propyl guaiacol. Full article
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