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Synthesis and Application of Biomass-Based Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 4624

Special Issue Editor

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
Interests: thermal and catalytic conversion processes of fossil energy and biomass; metal-loaded biochar catalyst; the processes of absorbing CO2 by solid amine; application of inductance heating technology in energy chemical industry
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Special Issue Information

Dear Colleagues,

The progress of human civilization is accompanied by the development of materials science. In recent years, the global issues of environment and climate have become restrictive factors affecting the development of human civilization. Climate change and environmental pollution have driven people to find facile, eco-friendly, and cost-effective routes of material synthesis and application with the aim of resolving these problems. Due to the potential applications in energy storage, catalysis, adsorption, and gas separation and storage, biomass-based materials are considered as ideal candidates for resolving many of the practical issues encountered (e.g., environmental pollution and global warming). Some routes, such as chemical vapor deposition, arc discharge synthesis, and carbonization of synthetic or natural polymers, have been used for the synthesis of crystalline carbon nanotubes/nanofibers and graphene, as well as amorphous carbon, activated carbon, and carbon black materials with controllable properties and functionalities. An important advantage of biomass-based materials is that they have abundant surface functional groups, such as C-O, C=O, -COOH, and -OH, etc., which being highly modifiable act as a platform for the synthesis of various functionalized carbon materials. In addition, biomass-based materials are also rich in some minerals such as N, P, S, Ca, Mg, and K. These properties allow biomass-based materials to be directly applied as an adsorbent, catalyst, and catalyst support. More importantly, the easily tuned surface functionality and porosity make biomass-based material a promising platform for the synthesis of many other functional materials. 

Indeed, although the material functionalization is still at the infant stage, applications of biomass-based functional materials have been found in the fields of catalysis, energy storage, pollutant removal, and CO2 capture. The aim of this Special Issue is to advance and disseminate knowledge in all the related areas of biomass conversion and utilization, especially the synthesis and application of biomass-based materials. Of course, the articles presented in this Special Issue cover all areas of biomass conversion and are not limited to the above areas. Editors encourage innovative ideas and methods to be displayed in this Special Issue.

Dr. Lei Shi
Guest Editor

Manuscript Submission Information

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Keywords

  • biomass conversion and utilization
  • biomass-based materials
  • biotransformations and bioresource systems analysis
  • biomass catalysis
  • energy storage
  • pollutant removal
  • CO2 capture

Published Papers (3 papers)

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Research

16 pages, 4342 KiB  
Article
Efficiency of Diclofenac Removal Using Activated Sludge in a Dynamic System (SBR Reactor) with Variable Parameters of pH, Concentration, and Sludge Oxygenation
by Anna Zając-Woźnialis, Izabela Kruszelnicka, Joanna Zembrzuska, Dobrochna Ginter-Kramarczyk, Marek Ochowiak and Andżelika Krupińska
Materials 2023, 16(4), 1422; https://doi.org/10.3390/ma16041422 - 08 Feb 2023
Viewed by 1417
Abstract
Recently, traditional wastewater treatment systems have not been adapted to remove micropollutants, including pharmaceutical substances, which, even at low concentrations, cause adverse changes in aquatic and terrestrial living organisms. The problem of drug residues in the environment has been noticed; however, no universal [...] Read more.
Recently, traditional wastewater treatment systems have not been adapted to remove micropollutants, including pharmaceutical substances, which, even at low concentrations, cause adverse changes in aquatic and terrestrial living organisms. The problem of drug residues in the environment has been noticed; however, no universal legal regulations have been established for concentrations of these compounds in treated wastewater. Hence, the aim of the article was to determine the possibility of increasing the efficiency of diclofenac removal from activated sludge using the designed SBR reactor. This study included six cycles, working continuously, where each of them was characterized by changing conditions of pH, oxygenation, and composition of the synthetic medium. In each cycle, three concentrations of diclofenac were analyzed: 1 mg/L, 5 mg/L, 10 mg/L for the hydraulic retention time (HRT) of 4 d and the sludge retention time (SRT) of 12 d. The highest removal efficiency was achieved in the first test cycle for pH of natural sediment at the level of 6.7–7.0 (>97%), and in the third test cycle at pH stabilized at 6.5 (>87%). The reduced content of easily assimilable carbon from synthetic medium indicated a removal of >50%, which suggests that carbon in the structure of diclofenac restrained microorganisms to the rapid assimilation of this element. Under half-aerobic conditions, the drug removal effect for a concentration of 10 mg/L was slightly above 60%. Full article
(This article belongs to the Special Issue Synthesis and Application of Biomass-Based Materials)
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15 pages, 2187 KiB  
Article
Enzymatic Transesterification of Atlantic Salmon (Salmo salar) Oil with Isoamyl Alcohol
by Milda Gumbytė, Violeta Makareviciene and Egle Sendzikiene
Materials 2023, 16(3), 1185; https://doi.org/10.3390/ma16031185 - 30 Jan 2023
Cited by 1 | Viewed by 965
Abstract
In this experimental study, biodiesel was synthesized from the salmon oil using the Lipozyme®RM IM (Bagsværd, Denmark) as a biocatalyst. Isoamyl alcohol was used as an acyl acceptor in the transesterification process. The aim of this study is to select the [...] Read more.
In this experimental study, biodiesel was synthesized from the salmon oil using the Lipozyme®RM IM (Bagsværd, Denmark) as a biocatalyst. Isoamyl alcohol was used as an acyl acceptor in the transesterification process. The aim of this study is to select the best process conditions, aiming to obtain the highest transesterification degree that meets the requirements of the EN 14214 standard. Response surface methodology (RSM) was used for statistical analysis and optimization of process parameters. A four-factor experimental design was modelled by central compositional design (CCD) to investigate the effects of biocatalyst concentration, isoamyl alcohol-to-oil molar ratio, temperature, and duration on transesterification degree. It was determined that the optimal parameters for biodiesel synthesis were the following: an enzyme concentration of 11% (wt. of oil mass); a process temperature of 45 °C; a process duration of 4 h; and an alcohol-to-oil molar ratio of 6:1. The transesterification degree of biodiesel reached 87.23%. The stepwise addition of isoamyl alcohol during the transesterification process further increased the degree of transesterification to 96.5%. Full article
(This article belongs to the Special Issue Synthesis and Application of Biomass-Based Materials)
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13 pages, 5870 KiB  
Article
Chitin-Derived Nanocatalysts for Reductive Amination Reactions
by Daniele Polidoro, Daily Rodriguez-Padron, Alvise Perosa, Rafael Luque and Maurizio Selva
Materials 2023, 16(2), 575; https://doi.org/10.3390/ma16020575 - 06 Jan 2023
Cited by 4 | Viewed by 1651
Abstract
Chitin, the second most abundant biopolymer in the planet after cellulose, represents a renewable carbon and nitrogen source. A thrilling opportunity for the valorization of chitin is focused on the preparation of biomass-derived N-doped carbonaceous materials. In this contribution, chitin-derived N-doped [...] Read more.
Chitin, the second most abundant biopolymer in the planet after cellulose, represents a renewable carbon and nitrogen source. A thrilling opportunity for the valorization of chitin is focused on the preparation of biomass-derived N-doped carbonaceous materials. In this contribution, chitin-derived N-doped carbons were successfully prepared and functionalized with palladium metal nanoparticles. The physicochemical properties of these nanocomposites were investigated following a multi-technique strategy and their catalytic activity in reductive amination reactions was explored. In particular, a biomass-derived platform molecule, namely furfural, was upgraded to valuable bi-cyclic compounds under continuous flow conditions. Full article
(This article belongs to the Special Issue Synthesis and Application of Biomass-Based Materials)
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