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Novel Porous Materials for Environmental Applications
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Novel Porous Materials for Environmental Applications

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1268

Special Issue Editors

Prof. Dr. Isabel Correia Neves

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Guest Editor
CQ-UM and CEB-UM, Chemistry Department, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Interests: zeolites; heterogeneous catalysis; development of biomaterials with tailored functions; healthcare applications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Maria Helena Araujo

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Guest Editor
Institute of Exact Sciences, Department of Chemistry, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte 31270-901, Brazil
Interests: adsorption; heterogeneous catalysis; capture and conversion of CO2; recovery and transformation of mining waste; preparation and characterization of mesoporous materials; water treatment
Dr. António Maurício Fonseca

E-Mail Website
Guest Editor
CQ-UM and CEB-UM, Chemistry Department, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Interests: porous materials; heterogeneous catalysis; electro-Fenton; Fenton oxidation; pollutants; water treatment

Special Issue Information

Dear Colleagues,

It is our pleasure to announce a new Special Issue on “Novel Porous Materials for Environmental Applications”, highlighting the achievements of scientists in material chemistry from all around the world.

This topic aligns closely with the objectives outlined in the 2030 Agenda for Sustainable Development by the United Nations (UN); this comprehensive agenda lays out 17 Sustainable Development Goals (SDGs) aimed at tackling poverty, conserving biodiversity, addressing climate change, and enhancing global livelihoods. More specifically, this Special Issue resonates with SDG 6 and 7, which focus on clean water and sanitation, and clean energy.

We cordially invite you to submit your work, performed across all areas of novel porous materials for environmental science and present your latest research from advanced fields addressing these topics.

This Special Issue will include communications, high-quality papers, and review articles in materials chemistry. 

Prof. Dr. Isabel Correia Neves
Prof. Dr. Maria Helena Araujo
Dr. António Maurício Fonseca
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. Molecules 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 2700 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

  • novel porous materials
  • heterogeneous catalysis
  • adsorption
  • energy
  • water treatment

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Published Papers (1 paper)

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Research

16 pages, 4355 KiB  
Article
Acid Mine Drainage Precipitates from Mining Effluents as Adsorbents of Organic Pollutants for Water Treatment
by Marta S. F. Oliveira, Ouissal Assila, António M. Fonseca, Pier Parpot, Teresa Valente, Elisabetta Rombi and Isabel C. Neves
Molecules 2024, 29(15), 3521; https://doi.org/10.3390/molecules29153521 - 26 Jul 2024
Viewed by 1034
Abstract
Acid mine drainage (AMD) is one of the main environmental problems associated with mining activity, whether the mine is operational or abandoned. In this work, several precipitates from this mine drainage generated by the oxidation of sulfide minerals, when exposed to weathering, were [...] Read more.
Acid mine drainage (AMD) is one of the main environmental problems associated with mining activity, whether the mine is operational or abandoned. In this work, several precipitates from this mine drainage generated by the oxidation of sulfide minerals, when exposed to weathering, were used as adsorbents. Such AMD precipitates from abandoned Portuguese mines (AGO, AGO-1, CF, and V9) were compared with two raw materials from Morocco (ClayMA and pyrophyllite) in terms of their efficiency in wastewater treatment. Different analytical techniques, such as XRD diffraction (XRD), Fourier Transform Infrared spectroscopy (FTIR), N2 adsorption isotherms, and Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray (EDX) were used to characterize these natural materials. The adsorption properties were studied by optimizing different experimental factors, such as type of adsorbent, adsorbent mass, and dye concentration by the Box–Behnken Design model, using methylene blue (MB) and crystal violet (CV) compounds as organic pollutants. The obtained kinetic data were examined using the pseudo-first and pseudo-second order equations, and the equilibrium adsorption data were studied using the Freundlich and Langmuir models. The adsorption behavior of the different adsorbents was perfectly fitted by the pseudo-second order kinetic model and the Langmuir isotherm. The most efficient adsorbent for both dyes was AGO-1 due to the presence of the cellulose molecules, with qm equal to 40.5 and 16.0 mg/g for CV and MB, respectively. This study confirms the possibility of employing AMD precipitates to adsorb organic pollutants in water, providing valuable information for developing future affordable solutions to reduce the wastes associated with mining activity. Full article
(This article belongs to the Special Issue Novel Porous Materials for Environmental Applications)
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