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Advances in Materials, Chemical and Computational Sciences
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Advances in Materials, Chemical and Computational Sciences

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

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 5109

Special Issue Editors

Dr. Qinghua Zeng

E-Mail Website
Guest Editor
School of Computing, Engineering and Mathematics, Western Sydney University, Penrith, NSW 2751, Australia
Interests: nanocomposites; nanoparticles; nanostructures; molecular modeling and simulation; surface science; mineral processing; mineral materials; clay minerals
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Hao Ding

E-Mail Website
Guest Editor
Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences Beijing, Beijing 100083, China
Interests: functional mineral materials; nanoscale photocatalytic materials; environmental materials; mineral processing; powder technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The 2nd International Conference on Mineral Engineering and Materials Science (iCMEMS2022, http://www.icmems.net.au) will be held in a hybrid format (in person and virtually) in Sydney, Australia, on 27–30 November 2022. The conference is to provide a platform for academics, researchers, graduates, and industry professionals to present and share their latest research and practice in the broad fields of mineral engineering, process metallurgy, material science and engineering, and particle science and technology.

We invite conference participants of iCMEMS2022 as well as other researchers to submit your high-quality manuscripts to this Special Issue of Materials: Advances in Materials, Chemical and Computational Science. The topics include but are not limited to the following:

  • Advanced materials characterization
  • Biomaterials
  • Energy materials
  • Functional materials
  • Materials modeling and simulation
  • Mineral materials
  • Nanomaterials
  • Particle science and technology
  • Process metallurgy
  • Solid waste and materials recycling
  • Sustainable building and construction materials

Dr. Qinghua Zeng
Prof. Dr. Hao Ding
Guest Editors

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

  • advanced engineering materials
  • biomaterials
  • energy materials
  • environmental materials
  • functional materials
  • materials characterization
  • materials chemistry
  • mechanics of materials
  • mineral materials
  • modeling and simulation
  • nanomaterials
  • powder technology
  • extractive metallurgy
  • pyrometallurgy
  • solid waste

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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16 pages, 7097 KiB  
Article
Preparation of CaCO3/Al(OH)3 Composites via Heterogeneous Nucleation
by Yan Xu, Weijun Bao, Hao Ding and Jingkui Qu
Materials 2023, 16(2), 498; https://doi.org/10.3390/ma16020498 - 4 Jan 2023
Cited by 1 | Viewed by 1816
Abstract
As one of the most widely used inorganic fine powder fillers, calcium carbonate is cheap. However, considering its poor light transmittance, it is not suitable to be added to resin matrix composites that require high light transmittance. Aluminum hydroxide has good light transmission [...] Read more.
As one of the most widely used inorganic fine powder fillers, calcium carbonate is cheap. However, considering its poor light transmittance, it is not suitable to be added to resin matrix composites that require high light transmittance. Aluminum hydroxide has good light transmission and flame retardancy, but it is more expensive than calcium carbonate. CaCO3/Al(OH)3 composites with a core-shell structure that showed a trend toward the performance of aluminum hydroxide not only improved the surface properties of CaCO3, but also increased the added value of CaCO3. In the present paper, CaCO3/Al(OH)3 composites were successfully prepared in sodium aluminate solution via heterogeneous nucleation. Four types of calcium sources, including calcite-type precipitated calcium carbonate, vaterite-type precipitated calcium carbonate, ground calcium carbonate with two different particle sizes as the precursors and supersaturated sodium aluminate solution as the substrate, have been deeply investigated in terms of their influence on the preparation of CaCO3/Al(OH)3 composites. Results showed that the calcium carbonate precursor greatly affected the formation of CaCO3/Al(OH)3 composites. Both the precipitated calcium carbonate and the small particle ground calcium carbonate are likely to undergo anti-causticization and a complexation reaction with it to generate 3CaO·Al2O3·6H2O and 3CaO·Al2O3·CaCO3·11H2O, which go against the coating of calcium carbonate with aluminum hydroxide. Within the experimental range, the use of ground calcium carbonate with a particle size of 400–500 mesh is more suitable as a precursor for the preparation of core-shell CaCO3/Al(OH)3 composites. Full article
(This article belongs to the Special Issue Advances in Materials, Chemical and Computational Sciences)
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Review

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16 pages, 3696 KiB  
Review
A Review on Resource Utilization of Spent V-W-Ti Based Selective Catalytic Reduction Catalysts
by Xi Qian, Weihua Ao, Hao Ding, Xuan Wang and Sijia Sun
Materials 2022, 15(22), 7984; https://doi.org/10.3390/ma15227984 - 11 Nov 2022
Cited by 8 | Viewed by 2317
Abstract
To address the environmental pollution caused by nitrogen oxides, V2O5-WO3/TiO2 is widely used as a catalyst based on selective catalytic reduction (SCR) technology. However, spent SCR catalysts pose a potential hazard to the environment due to [...] Read more.
To address the environmental pollution caused by nitrogen oxides, V2O5-WO3/TiO2 is widely used as a catalyst based on selective catalytic reduction (SCR) technology. However, spent SCR catalysts pose a potential hazard to the environment due to the presence of heavy metals. This problem continues to plague countries with predominantly thermal power generation, and landfills as the dominant disposal method wastes significant metal resources. Previous research into the recovery of these metal resources has received considerable attention. Here, we summarise the methods of recovery and find that research trends are beginning to move towards improving the added value of recovered products. One very promising application is photocatalysts; however, the atomic efficiency of current methods is not satisfactory. Therefore, this review first focuses on the regeneration of spent SCR catalysts and the processes used for elemental extraction to clarify what forms of V, W and Ti can be obtained from existing processes. This is followed by providing directions for the conversion of spent SCR catalysts into photocatalysts with improvements based on such processes. From a different perspective, this also provides a new resource for photocatalysts and is expected to significantly reduce the cost of photocatalyst production. Full article
(This article belongs to the Special Issue Advances in Materials, Chemical and Computational Sciences)
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