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Advanced Biomass Materials: Energy Conversion and Green Chemistry

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

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 1862

Special Issue Editor


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Guest Editor
College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100, China
Interests: biomass energy chemistry; lignin; high-value utilization of biomass-based resources
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Non-renewable fossil fuel resources (coal and crude oil) have been indispensable resources for hundreds of years. With the increasing energy demand, the growing concerns regarding development sustainability have been promoting great interest in finding renewable and clean energy sources (e.g., solar energy, wind energy, hydroenergy, and biomass). Biomass is considered to be a very promising resource in achieving the goal of sustainable global carbon economy while avoiding adverse impacts on the climate. In view of sustainable development, alternative feedstocks for chemicals, materials, and energy have turned into one of this century’s key challenges. Recently, the utilization of lignocellulosic biomass for energy and materials production are increasing due to its environmental friendliness. Lignocellulosic biomass is the most abundant, sustainable, and cost-effective biomass, and is primarily composed of cellulose, hemicelluloses, and lignin. The three polymers together form complicated and rigid cross-linking structures, which are beneficial to enhance the plant recalcitrance to physical attack, as well as biological and chemical degradation. However, the recalcitrance limits the value-added applications of the plant cell wall in biorefinery processes. The development of sustainable green technologies and processes becomes key to a sustainable society.

Original research articles and review articles focusing on the characterization, fractionation and energy conversion of lignocellulose as well as removal applications of lignocellulosic materials are welcome. The topical interests include, but are not limited to, the following areas:

  • Bioenergy and biorefinery of biobased materials resulting from pilot, demonstration, and industrial plants.
  • Novel and high-efficiency pretreatment methods for improving the degradation of lignocelluloses.
  • Structural elucidation of native and fractionated biomass such as cellulose, hemicelluloses, and lignin.
  • Chemocatalytic depolymerization of biomass.
  • Upgrading of lignin to fuels and chemicals.
  • Lignocellulose-based materials.
  • Process simulation of integrated biorefinery process and techno-economic analysis.
  • LCA of greenhouse gas reduction for biobased energy systems.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Mingqiang Zhu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biomass
  • pretreatment
  • fractionation
  • structural characterization
  • platform chemical compounds
  • conversion
  • value-added utilization
  • energy conversion
  • green chemistry

Published Papers (1 paper)

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Research

14 pages, 3443 KiB  
Article
Encapsulation of AgNPs in a Lignin Isocyanate Film: Characterization and Antimicrobial Properties
by Edwin S. Madivoli, Sammy I. Wanakai, Pius K. Kairigo and Rechab S. Odhiambo
Materials 2023, 16(12), 4271; https://doi.org/10.3390/ma16124271 - 08 Jun 2023
Cited by 1 | Viewed by 1212
Abstract
Lignin isolated from agricultural residues is a promising alternative for petroleum-based polymers as feedstocks in development of antimicrobial materials. A polymer blend based on silver nanoparticles and lignin–toluene diisocyanate film (AgNPs–Lg–TDIs) was generated from organosolv lignin and silver nanoparticles (AgNPs). Lignin was isolated [...] Read more.
Lignin isolated from agricultural residues is a promising alternative for petroleum-based polymers as feedstocks in development of antimicrobial materials. A polymer blend based on silver nanoparticles and lignin–toluene diisocyanate film (AgNPs–Lg–TDIs) was generated from organosolv lignin and silver nanoparticles (AgNPs). Lignin was isolated from Parthenium hysterophorus using acidified methanol and used to synthesize lignin capped silver nanoparticles. Lignin–toluene diisocyanate film (Lg–TDI) was prepared by treating lignin (Lg) with toluene diisocyanate (TDI) followed by solvent casting to form films. Functional groups present and thermal properties of the films were evaluated using Fourier-transform infrared spectrophotometry (FT–IR), thermal gravimetry (TGA), and differential scanning calorimetry (DSC). Scanning electron microscopy (SEM), UV–visible spectrophotometry (UV–Vis), and Powder X-ray diffractometry (XRD) were used to assess the morphology, optical properties, and crystallinity of the films. Embedding AgNPs in the Lg–TDI films increased the thermal stability and the residual ash during thermal analysis, and the presence of powder diffraction peaks at 2θ = 20, 38, 44, 55, and 58⁰ in the films correspond to lignin and silver crystal planes (111). SEM micrographs of the films revealed the presence of AgNPs in the TDI matrix with variable sizes of between 50 to 250 nm. The doped films had a UV radiation cut-off at 400 nm as compared to that of undoped films, but they did not exhibit significant antimicrobial activity against selected microorganisms. Full article
(This article belongs to the Special Issue Advanced Biomass Materials: Energy Conversion and Green Chemistry)
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