Biomass-Based Carbon Materials (Biochar and Activated Carbon) for Sustainable Environment Applications

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: closed (10 October 2023) | Viewed by 1905

Special Issue Editor


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Guest Editor
Graduate Institute of Bioresources, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
Interests: biochar; activated carbon; agricultural waste utilization; adsorption

Special Issue Information

Dear Colleagues,

It is well known that lignocellulosic biomass and its derived products can be considered carbon-neutral and carbon-negative materials due to the carbon sequestration process. These biomass-based carbon materials play a vital role in combating the effects of climate change. In this regard, thermally converting the biomass residues into biochar under the oxygen-deficiency atmosphere is receiving worldwide interest over the past two decades. This carbon-rice material has potential beneficial applications in the sustainable environment because of its porous characterization and functional features on the surface. To enhance the capacity and selectivity of biochar, it can be further modified by physical and chemical methods. For example, activated biochar (or activated carbon) can be produced by physical and/or chemical activation of biochar, thus increasing the pore properties (i.e., surface area, pore volume). These highly porous biomass-based carbon materials will expand their environmental applications, including adsorbents for water/wastewater treatment, air pollution control, soil/groundwater remediation, and energy storage material.

Prof. Dr. Wen-Tien Tsai
Guest Editor

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Keywords

  • biochar
  • activated carbon
  • adsorbent
  • liquid-phase
  • gas-phase
  • soil-phase
  • energy storage

Published Papers (1 paper)

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Research

18 pages, 5041 KiB  
Article
Synthesis and Characteristics of a Fish Scale-Based Biochar–Nanosilver Antibacterial Material
by Zhichao Zhang and Yucai He
Processes 2023, 11(7), 1992; https://doi.org/10.3390/pr11071992 - 01 Jul 2023
Cited by 4 | Viewed by 1605
Abstract
Microbial contamination has caused various diseases via pathogenic bacteria, endangering people’s lives every day. Recently, increasing attention has been paid to the exploration of new and effective antibacterial materials. In this paper, we attempted to synthesize a fish scale charcoal nanosilver antibacterial composite [...] Read more.
Microbial contamination has caused various diseases via pathogenic bacteria, endangering people’s lives every day. Recently, increasing attention has been paid to the exploration of new and effective antibacterial materials. In this paper, we attempted to synthesize a fish scale charcoal nanosilver antibacterial composite using waste fish scale as a carbon substrate. X-ray diffraction, Fourier-transform infrared spectroscopy, thermogravimetry-differential scanning calorimetry, and scanning electron microscopy showed that the structure of the nanosilver fish scale material formed and the nanosilver particles formed account for 72.1% of the silver element. Its antibacterial ability against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa was examined using the plate counting method and inhibition zones; the maximum inhibition zone was 32 mm. The antibacterial rate could reach >99.9%, indicating that this prepared material had excellent antibacterial activity. After 20 batches of bacteriostasis, the bacteriostasis rate was more than 90%, indicating that the fish scale/silver composite had sustained antibacterial ability and excellent antibacterial reusability. Finally, potential antibacterial mechanism was proposed. Overall, the fish scale/silver composite has a good application prospect and a wide range of applications in the handling of microbial pollution in the future. Full article
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