Special Issue "Crystalline Adsorbents—in Theory and Practice"

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Hybrid and Composite Crystalline Materials".

Deadline for manuscript submissions: closed (25 August 2021).

Special Issue Editors

Dr. Andrey E. Krauklis
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Guest Editor
Institute for Mechanics of Materials, University of Latvia, Jelgavas Street 3, LV-1004 Riga, Latvia
Interests: computer modeling; materials science and engineering; physical chemistry; polymer science; composite materials; mathematical modelling; environmental aging; durability
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Prof. Dr. Maris Klavins
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Guest Editor
Department of Environmental Science, University of Latvia, Raina blvd 19, LV 1586, Riga, Latvia
Interests: environmental technologies; carbon capture and storage; biorefinery; pollution; humic substances; peat
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Ms. Rūta Ozola-Davidāne
E-Mail Website
Guest Editor
Department of Environmental Protection, Faculty of Geography and Earth Sciences, University of Latvia - House of Nature, Jelgavas iela 1, Riga, LV-1004, Latvia
Interests: innovative clay-based composites; modification methods; environmental pollution; wastewater treatment
Dr. Christian Wolfgang Karl
E-Mail Website
Guest Editor
SINTEF, Department of Materials and Nanotechnology, Forskningsveien 1, 0373 Oslo, Norway
Interests: surface and interface chemistry; gas adsorption and separation; surface characterization; wetting; material structure–property relationships; fillers; nanomaterials; biodegradable polymers
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Dr. Juris Burlakovs
E-Mail Website
Guest Editor
Department of Water Management, Estonian University of Life Sciences, Tartu, Estonia; Friedrich Reinhold Kreutzwaldi 1a, 51014 Tartu, Estonia
Interests: anthropogenic geochemistry; waste management; environmental engineering
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Crystalline adsorbents, such as zeolites and clays, possess a highly order structured, which makes them favourable in various practical applications because of their well-predictable and consistent sorptive behaviour. Novel zeolite- and clay-like, geopolymers, and hybrid and composite adsorbent materials are introduced to the market almost every year, opening opportunities for the advancement of practical applications, including water treatment and remediation, gas adsorption and separation, and soil remediation.

This Issue is aimed to be multidisciplinary, involving theoretical and computational aspects of material design and engineering, material property prediction, e.g., quantitative structure–property relationships, as well as molecular dynamics to further the fundamental understanding of intermolecular interactions.

Practical and engineering works involving crystalline adsorbents are also welcome. Novel practical applications for crystalline adsorbents are especially interesting.

We invite researchers to contribute to the Special Issue titled “Crystalline Adsorbents—in Theory and Practice”, which is intended to serve as a unique multidisciplinary forum on theoretical, computational, and experimental science and engineering, including technology and application of crystalline adsorbents.

 The potential topics include, but are not limited to, the following:

  • Synthesis, development, and characterization of crystalline adsorbents
  • Zeolite and zeolite-like materials
  • Clays and clay-like materials
  • Composite and hybrid sorbents
  • Quantitative structure–property relationships
  • Computational property prediction and modelling
  • Water treatment and remediation
  • Gas adsorption and separation
  • Soil remediation
  • Novel practical applications of crystalline adsorbents

Dr. Andrey E. Krauklis
Prof. Dr. Maris Klavins
Ms. Rūta Ozola-Davidāne
Dr. Christian Wolfgang Karl
Dr. Juris Burlakovs
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 papers will be 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. Crystals is an international peer-reviewed open access monthly 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 1800 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

  • Adsorbents
  • Zeolites
  • Clays
  • Geopolymers
  • Hybrid materials
  • Composite materials
  • Intermolecular interactions
  • Environmental remediation
  • Adsorption
  • Soil remediation
  • Water treatment
  • Gas separation
  • Quantitative structure–property prediction
  • Modelling

Published Papers (1 paper)

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Research

Article
Alkali-Activated Zeolite 4A Granules—Characterization and Suitability Assessment for the Application of Adsorption
Crystals 2021, 11(4), 360; https://0-doi-org.brum.beds.ac.uk/10.3390/cryst11040360 - 30 Mar 2021
Viewed by 395
Abstract
A major problem in the field of adsorbents is that binders (kaolin clay, bentonite) introduced to bind zeolites and ensure the needed mechanical strength, are not able to sorb gases like CO2 and N2, and decrease the overall adsorption capacity. [...] Read more.
A major problem in the field of adsorbents is that binders (kaolin clay, bentonite) introduced to bind zeolites and ensure the needed mechanical strength, are not able to sorb gases like CO2 and N2, and decrease the overall adsorption capacity. To solve this problem, one of the pathways is to introduce a binder able to sorb such gases. Thus, in this study, the physical and mechanical properties of a novel binder based on metakaolin and its composite with zeolite 4A in the granular form were studied. Metakaolin was used as a precursor for alkali-activated binder, which was synthesized using an 8M NaOH activation solution. Raw materials were characterized using granulometry, X-ray diffraction (XRD), and differential thermal analysis (DTA); and final products were characterized using density measurements, a compressive strength test, XRD, Brunauer–Emmett–Teller (BET) analysis, and scanning electron microscopy (SEM). Alkali-activated metakaolin was found to be efficient as a binding material when data for morphological properties were analyzed. A relationship was observed—by increasing the liquid-to-solid ratio (L/S), compressive strength decreased. Zeolite granule attrition was higher than expected: 2.42% and 4.55% for ZG-0.8, 3.64% and 5.76% for ZG-1.0, and 2.73% and 4.85% for ZG-1.2, measured at 4 and 5 atmospheres, respectively. Full article
(This article belongs to the Special Issue Crystalline Adsorbents—in Theory and Practice)
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