New Era in the Environmental Application of Hydrogel and Aerogel

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Applications".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 2546

Special Issue Editors

College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
Interests: environment function material; water pollution control; environmentally friendly adsorbent; adsorption and catalytic mechanisms
School of Environment Science and Engineering, Tiangong University, Tianjin 300387, China
Interests: environment function material; water pollution control; environmental catalysis; advanced oxidation processes
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Guest Editor
College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
Interests: hydrogel fabrication; aerogel fabrication; pollution control; carbon based nano material

Special Issue Information

Dear Colleagues,

Just as nanomaterials triggered a gold rush, the fabrication of hydrogels and aerogels has been recognized as one of the most promising strategies for bottom-up nanotechnology and has become one of the most active research fields during recent decades. The basic structural features of hydrogels and aerogels include their large surface area, which enhances the opportunity for contact with pollutants, and their well-defined porous structure, which facilitates the diffusion of pollutant molecules into the material. These properties mean that hydrogels and aerogels are ideal materials for pollutant management due to their excellent capabilities and easy recyclability. This Special Issue aims to extend the environmental applications of these materials, such as pollutant adsorption, transformation and detection, and to extend the mechanisms of hydrogel/aerogels and provide a new perspective.

Although many aspects of the environmental applications of hydrogel and aerogel have been clarified so far, many phenomena remain unsolved. We believe it is time to revisit the environmental applications of hydrogel and aerogel, marking a possible second beginning of a new era in the science of gels. We look forward to the submission of new research results on the environmental applications of hydrogel and aerogel. The submission of both theoretical and experimental studies is welcome.

Dr. Yi Shen
Dr. Jun Wang
Dr. Chao Zhu
Guest Editors

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Keywords

  • the environmental application of hydrogel and aerogel
  • pollutant adsorption of hydrogel and aerogel
  • pollutant transformation of hydrogel and aerogel
  • pollutant detection of hydrogel and aerogel

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Published Papers (1 paper)

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Review

28 pages, 5046 KiB  
Review
Structural Manipulation of 3D Graphene-Based Macrostructures for Water Purification
by Zijun Yu, Li Wei, Lun Lu, Yi Shen, Yang Zhang, Jun Wang and Xiaoyao Tan
Gels 2022, 8(10), 622; https://doi.org/10.3390/gels8100622 - 29 Sep 2022
Cited by 4 | Viewed by 2075
Abstract
The rapid development of graphene-based nanotechnologies in recent years has drawn extensive attention in environmental applications, especially for water treatment. Three-dimensional graphene-based macrostructures (GBMs) have been considered to be promising materials for practical water purification due to their well-defined porous structure and integrated [...] Read more.
The rapid development of graphene-based nanotechnologies in recent years has drawn extensive attention in environmental applications, especially for water treatment. Three-dimensional graphene-based macrostructures (GBMs) have been considered to be promising materials for practical water purification due to their well-defined porous structure and integrated morphology, and displayed outstanding performance in pollutant abatement with easy recyclability. Three-dimensional GBMs could not only retain the intrinsic priorities of 2D graphene, but also emerge with extraordinary properties by structural manipulation, so rational design and construction of 3D GBMs with desirable microstructures are important to exploit their potential for water treatment. In this review, some important advances in surface modification (chemical doping, wettability, surface charge) and geometrical control (porous structure, oriented arrangement, shape and density) with respect to 3D GBMs have been described, while their applications in water purification including adsorption (organic pollutants, heavy metal ions), catalysis (photocatalysis, Fenton-like advanced oxidation) and capacitive desalination (CDI) are detailly discussed. Finally, future challenges and prospective for 3D GBMs in water purification are proposed. Full article
(This article belongs to the Special Issue New Era in the Environmental Application of Hydrogel and Aerogel)
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