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Sustainable Zeolites: Advances in Synthesis and Applications

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

Deadline for manuscript submissions: 1 June 2025 | Viewed by 1569

Special Issue Editors


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Guest Editor
Eduardo Torroja Institute for Construction Sciences, IETcc, CSIC, 28033 Madrid, Spain
Interests: solid waste characterization; concentrated solar radiation; recycling; zeolites; effluents depuration; adsorption process; chemical analysis
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
MEDES Group, Eduardo Torroja Institute for Construction Sciences, IETcc-CSIC, C/Serrano Galvache 4, 28033 Madrid, Spain
Interests: waste valorization; concentrated solar radiation; zeolites; inorganic synthesis processes; environmental engineering
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Eduardo Torroja Institute for Construction Science (IETcc), Spanish National Research Council (CSIC), 28033 Madrid, Spain
Interests: glasses; ceramics; waste valorization; microstructure; mullite; porcelain stoneware; glazes; concentrated solar radiation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute your research on zeolites, an exciting and relevant topic in the field of crystalline solid materials. These materials possess regular porous structures that confer unique properties, such as adsorption capabilities, molecular sieving, and ion exchange. The presence of voids or channels in their structure allows for the adsorption and diffusion of various ions and molecules, facilitating their extensive use in industrial applications such as water remediation, catalysis, detergent manufacturing, gas purification, membranes, and drying processes, among others.

However, the development of more sustainable synthesis processes has become a priority in zeolite research. The need to minimize natural resources consumption, reduce costs, and decrease the environmental impact of various processes has driven efforts towards finding cleaner and more eco-efficient methods for zeolite production.

Therefore, we invite you to share your research, advancements, and discoveries in this special edition, titled “Sustainable Zeolites: Advances in Synthesis and Applications”. We look forward to receiving contributions addressing aspects such as new synthesis methods, material characterization, innovative industrial applications, and performance and sustainability studies, among other relevant topics.

We hope you will join us in enriching the understanding of zeolites and their role in the development of more sustainable processes.

Dr. Isabel Padilla
Dr. Aurora López-Delgado
Dr. Maximina Romero
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

  • zeolites
  • waste
  • adsorption
  • catalysis
  • structure
  • characterization
  • recycling
  • sustainability

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Published Papers (1 paper)

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Research

16 pages, 7182 KiB  
Article
Waste Symbiosis through the Synthesis of Highly Crystalline LTA and SOD Zeolites
by Magali Teresinha Ritter, Isabel Padilla, María Ángeles Lobo-Recio, Maximina Romero and Aurora López-Delgado
Materials 2024, 17(17), 4310; https://doi.org/10.3390/ma17174310 - 30 Aug 2024
Viewed by 1214
Abstract
In recent years, the demand for natural and synthetic zeolites has surged due to their distinctive properties and myriad industrial applications. This research aims to synthesise crystalline zeolites by co-recycling two industrial wastes: salt slag (SS) and rice husk ash (RHA). Salt slag, [...] Read more.
In recent years, the demand for natural and synthetic zeolites has surged due to their distinctive properties and myriad industrial applications. This research aims to synthesise crystalline zeolites by co-recycling two industrial wastes: salt slag (SS) and rice husk ash (RHA). Salt slag, a problematic by-product of secondary aluminium smelting, is classified as hazardous waste due to its reactive and leachable nature, though it is rich in aluminium. Conversely, RHA, an abundant and cost-effective by-product of the agro-food sector, boasts a high silicon content. These wastes were utilised as aluminium and silicon sources for synthesising various zeolites. This study examined the effects of temperature, ageing time, and sodium concentration on the formation of different zeolite phases and their crystallinity. Results indicated that increased Na+ concentration favoured sodalite (SOD) zeolite formation, whereas Linde type–A (LTA) zeolite formation was promoted at higher temperatures and extended ageing times. The formation range of the different zeolites was defined and supported by crystallographic, microstructural, and morphological analyses. Additionally, the thermal behaviour of the zeolites was investigated. This work underscores the potential to transform industrial waste, including hazardous materials like salt slag, into sustainable, high-value materials, fostering efficient waste co-recycling and promoting clean, sustainable industrial production through cross-sectoral industrial symbiosis. Full article
(This article belongs to the Special Issue Sustainable Zeolites: Advances in Synthesis and Applications)
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