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Minerals
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Innovations in Nanotechnology for Wastewater and Acid Mine Drainage Treatment,...
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Innovations in Nanotechnology for Wastewater and Acid Mine Drainage Treatment, Volume II

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Processing and Extractive Metallurgy".

Deadline for manuscript submissions: closed (21 December 2022) | Viewed by 2931

Special Issue Editors

Prof. Dr. Elvis Fosso-Kankeu

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Guest Editor
Department of Metallurgy, Faculty of Engineering and Built Environment, University of Johannesburg, Johannesburg 2006, South Africa
Interests: treatment of mining effluents; recovery of values
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Sadanand Pandey

E-Mail Website
Guest Editor
Department of Chemistry, College of Natural Sciences, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Korea
Interests: polymer chemistry; nanomaterials; nanosensors; catalysts; wastewater treatment; nanomedicine
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The evolution of anthropogenic activities has been coupled with a substantial increase in the diversity and amount of pollutants released into the environment. Among these are emerging pollutants, mostly organic compounds, which derive from the excretion of pharmaceutical wastes, industrial effluents, and municipal discharge. Some forms of pollution have also evolved, including the proliferation of acid mine drainage from the oxidation or weathering of obsolete and unmanaged excavations around the world. Our water resources have been particularly affected as the conventional water treatment systems become quickly overwhelmed by some of these pollutants, which are ubiquitous and resistant to existing treatment processes. This poses a serious risk to the health of humans and the ecosystem. Innovative approaches to curb the negative impact of such pollutants are, therefore, required. The development of smart nanomaterials (e.g., photocatalysts and adsorbents) responding perfectly to the robustness and diversity of the emerging pollutants is crucial for the design of an effective, sustainable, and eco-friendly water treatment system. Contributions to this Special Issue must, therefore, address topics related to innovative techniques for the development, characterization, and application of nanomaterials for the removal of organic and inorganic pollutants from polluted water.

Prof. Dr. Elvis Fosso-Kankeu
Dr. Sadanand Pandey
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. Minerals 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 2400 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

  • nanotechnology
  • acid mine drainage
  • wastewater
  • organic and inorganic pollutants
  • photocatalysis
  • adsorption
  • flocculation/precipitation

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Published Papers (1 paper)

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Research

14 pages, 3730 KiB  
Article
Fe(III)–Chitosan Microbeads for Adsorptive Removal of Cr(VI) and Phosphate Ions
by Swati A. Tandekar, Manoj A. Pande, Anita Shekhawat, Elvis Fosso-Kankeu, Sadanand Pandey and Ravin M. Jugade
Minerals 2022, 12(7), 874; https://doi.org/10.3390/min12070874 - 11 Jul 2022
Cited by 15 | Viewed by 2194
Abstract
Fe(III)–chitosan microbeads (Fe–CTB) were prepared using a chemical coprecipitation method. SEM–EDX, FTIR, XRD, TGA, BET, and pH pzc were performed for the characterization of the adsorbent. Various parameters were optimized as pH, adsorption time, adsorbent dose, initial Cr(VI), and PO43− ion [...] Read more.
Fe(III)–chitosan microbeads (Fe–CTB) were prepared using a chemical coprecipitation method. SEM–EDX, FTIR, XRD, TGA, BET, and pH pzc were performed for the characterization of the adsorbent. Various parameters were optimized as pH, adsorption time, adsorbent dose, initial Cr(VI), and PO43− ion concentration and the effect of assorted ions for adsorption studies. Fe–CTB microbeads revealed more than 80% detoxification for a 100 mg L−1 initial concentration at pH 3 with 60 min stirring of Cr(VI) and PO43− ion having adsorption capacities of 34.15 and 32.27 mg g−1, respectively. The adsorption process for Cr(VI) and PO43− ion followed the monolayer adsorption as they favored the Langmuir isotherm model. Kinetic and thermodynamic studies’ emphasis on the adsorption process was spontaneous and exothermic with pseudo-second-order kinetics for both adsorbates. The microbeads were found to be reusable in multiple cycles. Full article
(This article belongs to the Special Issue Innovations in Nanotechnology for Wastewater and Acid Mine Drainage Treatment, Volume II)
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