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Advanced Composite Materials for Adsorption

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

Deadline for manuscript submissions: closed (20 May 2023) | Viewed by 1641

Special Issue Editors

PG & Research Department of Chemistry, DKM College for Women, Vellore, Tamil Nadu, India
Interests: polymers; nanotechnology; adsorption; catalysis; tissue engineering
Special Issues, Collections and Topics in MDPI journals

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PG and Research Department of Chemistry, D.K.M. College for Women (Autonomous), Vellore, India
Interests: biopolymers; nanotechnology; environmental chemistry; wastewater treatment; green systhesis of metal nanoparticles; drug delivery; wound healing; biomedical applications

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Chemistry Department, Science College, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Interests: electrocatalysis; energy; photoelectrochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water is essential for the survival of living organisms. Enhancing water quality is a top priority The likelihood of increasing the supply of fresh water is low due to the competing demands of the increasing population, industrial growth, and urbanisation. Water pollution refers to the contamination of water sources by substances that make the water unsuitable for drinking, cooking, cleaning, swimming, and other activities.

The current demand of the water industry is the development of reliable as well as affordable materials and techniques to supply sufficient amounts of fresh water. Because of the growing demands for water, strict health regulations, and developing contaminants, traditional water/wastewater treatment methods continue to be unable to provide appropriate amounts of safe water. The requirements of clean and usable water continue to increase, conventional water remediation techniques are being developed to stop the contamination of natural water resources. Adsorption is one of the most widely utilised methods for treating water and waste. Adsorbents are materials with a large interior surface area that allow for adsorption.

Composites are typically built using two or more constituents with different properties and that are combined to create a single material with a unified set of properties. Metals, ceramics, and other materials may be included in the composite. Composites may contain metals, ceramics, and other polymers as a matrix and as reinforcement. The ability to combine the qualities of two materials into one for particular applications is the most notable benefit of composites. Thus, researchers are concentrating on the creation and use of diverse composite materials, including nanocomposites, for the purification of water. The effectiveness and efficiency of these composites has been noted in the separation of oil and water, the catalytic degradation of organic pollutants, and the adsorption of heavy metal ions, dyes, and micropollutants.

The main aim of this Special Issue is to collect research on the synthesis and characterisation of composite materials used as adsorbents for water and wastewater treatment.

Dr. P.N. Sudha
Dr. Thandapani Gomathi
Dr. Prabhakarn Arunachalam
Guest Editors

Manuscript Submission Information

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Keywords

  • organic matter
  • heavy metals
  • dyes
  • radionuclides
  • nanocomposites
  • activated charcoal composites
  • polymer composites
  • oxide-based composites
  • hybrid composites
  • biosorbent composites
  • graphene-based composites
  • water treatment
  • organic-inorganic polymer composites

Published Papers (1 paper)

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Research

16 pages, 6645 KiB  
Article
Enhanced Electromagnetic Wave Absorption of SiOC/Porous Carbon Composites
by Wen Yang, Li Li, Yongzhao Hou, Yun Liu and Xinwei Xiao
Materials 2022, 15(24), 8864; https://doi.org/10.3390/ma15248864 - 12 Dec 2022
Cited by 3 | Viewed by 1260
Abstract
Carbon-based materials have been widely explored as electromagnetic (EM) wave absorbing materials with specific surface areas and low density. Herein, novel porous carbon/SiOC ceramic composites materials (porous C/sp-SiOC) were prepared from the binary mixture, which used the low cost pitch as carbon resource [...] Read more.
Carbon-based materials have been widely explored as electromagnetic (EM) wave absorbing materials with specific surface areas and low density. Herein, novel porous carbon/SiOC ceramic composites materials (porous C/sp-SiOC) were prepared from the binary mixture, which used the low cost pitch as carbon resource and the polysilylacetylene (PSA) as SiOC ceramic precursor. With the melt-blending-phase separation route, the PSA resin formed micro-spheres in the pitch. Then, numerous SiOC ceramic micro-spheres were generated in porous carbon matrices during the pyrolysis process. By changing the percent of SiOC, the microstructure and wave absorption of porous C/sp-SiOC composites could be adjusted. The synergistic effect of the unique structure, the strong interfacial polarization, and the optimized impedance matching properties contributed to the excellent absorption performance of porous C/sp-SiOC composites. The minimum reflection loss for porous C/sp-SiOC absorber reached −56.85 dB, and the widest effective bandwidth was more than 4 GHz with a thickness of only 1.39 mm. This presented research provides an innovative and practical approach to developing high-performance porous carbon-based microwave absorption materials from green chemistry. Full article
(This article belongs to the Special Issue Advanced Composite Materials for Adsorption)
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