Glass, Glass-Ceramics, and Ceramics for Nuclear Waste Immobilization and Other Environmental Applications

A special issue of Technologies (ISSN 2227-7080). This special issue belongs to the section "Innovations in Materials Processing".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 4823

Special Issue Editors


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Guest Editor
Inamori School of Engineering, Alfred University, Alfred, NY 14802, USA
Interests: glass; ceramics; solid-state battery; metal organic frameworks (MOFs); nuclear waste immobilization; transparent ceramics; persistent luminescence

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Guest Editor
School of Civil and Environmental Engineering, Smith School of Chemical and Biological Engineering, Cornell University, Ithaca, NY 14853, USA
Interests: chemistry and morphology of siliceous and carbonate matter; sustainable energy and resource recovery; negative emission pathways and technologies; integrated carbon capture; utilization and storage pathways

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Guest Editor
School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
Interests: confined fluids; porous materials; flow in porous media; solids-fluids interfaces; carbon capture, storage and utilization; energy conversion and storage; self-assembly of inorganic nanoparticles; X-ray and neutron scattering; Density functional theory; First-principle molecular dynamics simulations, classical molecular dynamics simulations

Special Issue Information

The world faces many environmental challenges, such as global warming, water pollution, air pollution, industrial waste accumulation, nuclear waste from power plants, etc. Glass, glass-ceramics, and ceramics are critical materials in modern technologies. For the past few decades, these materials have been under testing for many important environmental applications such as CO2 capture and storage, nuclear waste immobilization, environmentally safe batteries, catalysis, and membranes due to their high loading capacity, controllable properties, and high durability.

Even though glass, glass-ceramics, and ceramics are being investigated for use in different environmental applications, there are many issues that are not yet solved. For example, glass and glass-ceramics for nuclear waste immobilization, although borosilicate glasses show the favorable characteristics of high waste loading and long-term durability, the nuclear waste immobilization issue is not yet fully resolved due to a lack of understanding of microstructural alteration and phase separation issues, and the need to improve waste loading capacity further. Because of these unknowns, this topic will continue to be revisited and studied further. Similarly, CO2 capture and storage technology is not yet optimized and is still an active topic of study. Since the current Special Issue focuses on glass, glass-ceramics, and ceramics, the study of CO2 capture and storage in zeolite, MOFs, and cementitious materials is strongly encouraged. The catalytic reduction of CO2 and solid-state battery development, where glassy or ceramic material electrodes/electrolytes are used for the study, will also be considered for the current Issue. 

Dr. Deepak Patil
Prof. Dr. Greeshma Gadikota
Dr. Sohaib Mohammed
Guest Editors

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Keywords

  • Glass
  • Glass-ceramics
  • Ceramics
  • Nuclear waste immobilization
  • CO2 capture and storage
  • Solid-state battery
  • Cement for CO2 capture
  • Environmental safety

Published Papers (1 paper)

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Research

14 pages, 3803 KiB  
Article
Electrospun PVP/TiO2 Nanofibers for Filtration and Possible Protection from Various Viruses like COVID-19
by Ankush Sharma, Dinesh Pathak, Deepak S. Patil, Naresh Dhiman, Viplove Bhullar and Aman Mahajan
Technologies 2021, 9(4), 89; https://doi.org/10.3390/technologies9040089 - 19 Nov 2021
Cited by 13 | Viewed by 3953
Abstract
In this study, TiO2 nanofibers were prepared with Polyvinylpyrrolidone (PVP) polymer using sol-gel method via electrospinning technique. Owing to the advantages of small fiber diameter, tunable porosity, low cost, large surface to volume ratio, structure control, light-weight, and less energy consumption, electrospun [...] Read more.
In this study, TiO2 nanofibers were prepared with Polyvinylpyrrolidone (PVP) polymer using sol-gel method via electrospinning technique. Owing to the advantages of small fiber diameter, tunable porosity, low cost, large surface to volume ratio, structure control, light-weight, and less energy consumption, electrospun nanofibers are evolving as an adaptable material with a number of applications, in this case for filtration and environmental/virus protection. Different samples of TiO2/PVP nanofibers have been prepared by changing the parameters to achieve the best result. As the polymer concentration was increased from 6 to 8 wt.% of PVP, diameter of the resultant fibers was seen to be increased, implying decrease in the pore-size of the fibers up to 1.4 nm. Surface morphology has been checked via Scanning Electron Microscope (SEM) images. Crystalline nature has been analyzed by X-ray Crystallography. Using the Bruanauer-Emmett-Teller (BET) test, surface area and porosity has been checked for the suitable application. The synthesized TiO2/PVP nanofibers have tremendous practical potentials in filtration and environmental remediation applications. Full article
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