Special Issue "Innovative Approaches for Drinking- and Waste-Water Treatment"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Chemistry".

Deadline for manuscript submissions: 30 September 2019

Special Issue Editors

Guest Editor
Assist. Prof. Dr. Ioannis Katsoyiannis

Department of Chemistry, Laboratory of chemical and environmental Technology, Aristotle University of Thessaloniki, Thessaloniki, Greece
Website | E-Mail
Phone: +30-2310-97977
Interests: water treatment processes for removal of inorganic and organic contaminants: role of sorption and oxidation in contaminant removal; design and application of novel sorbents; oxidation processes in drinking water treatment; wastewater treatment and reuse; solid waste management
Guest Editor
Prof. Vincenzo Torretta

Department of Theoretical and Applied Sciences, Insubria University of Varese, via G.B. Vico 46, 21100 Varese, Italy
Website | E-Mail
Interests: waste management; air quality management; human health risk assessment; water management; wastewater treatment; environmental engineering

Special Issue Information

Dear Colleagues,

With more than 2 billion people worldwide suffering from water scarcity, clean water is one of the most important natural resources on earth, whereas wastewater, which corresponds to spent water, can be considered as a valuable natural resource, if treated and reused. This Special Issue aims to address the current pressing problems of natural water resources contamination as well as wastewater treatment and reuse. Papers are invited that investigate innovative treatment options in water engineering highlighting the latest scientific understanding of involved chemical mechanisms. Topics may include studies on membrane filtration, adsorption, ion exchange, and biological processes. Moreover, papers are welcome that deal with coupled processes like membrane hybrid processes. A very important aspect is also topics related to the oxidative treatment of water or wastewaters, with particular emphasis on ozonation and advanced oxidation processes. Case studies describing real-life applications of novel technologies are also very welcome.

Assist. Prof. Dr. Ioannis Katsoyiannis
Prof. Dr. Vincenzo Torretta
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. Applied Sciences 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 1500 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

  • adsorption
  • ozonation
  • advanced oxidation processes
  • membrane treatment
  • hybrid processes
  • organic micropollutants
  • arsenic
  • chromate
  • water scarcity

Published Papers (2 papers)

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Research

Open AccessArticle Graphene Oxide Adsorption Enhanced by Attapulgite to Remove Pb (II) from Aqueous Solution
Appl. Sci. 2019, 9(7), 1390; https://doi.org/10.3390/app9071390
Received: 9 March 2019 / Revised: 25 March 2019 / Accepted: 28 March 2019 / Published: 2 April 2019
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Abstract
To improve the adsorption and separation efficiency of lead-containing wastewater by graphene oxide (GO), attapulgite (ATP) was used through a simple hydrothermal reaction. The prepared GO was characterized by SEM, TEM, FTIR, and XPS. The adsorption properties of the prepared GO were investigated. [...] Read more.
To improve the adsorption and separation efficiency of lead-containing wastewater by graphene oxide (GO), attapulgite (ATP) was used through a simple hydrothermal reaction. The prepared GO was characterized by SEM, TEM, FTIR, and XPS. The adsorption properties of the prepared GO were investigated. The maximum adsorption capacity of Pb2+ on as-prepared GO at pH 5 and 25 °C was 450.9 mg/g. It is concluded that the as-prepared GO can be used as a high-efficiency adsorbent for lead-containing wastewater. Full article
(This article belongs to the Special Issue Innovative Approaches for Drinking- and Waste-Water Treatment)
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Graphical abstract

Open AccessArticle Adsorption of Arsenic and Heavy Metals from Solutions by Unmodified Iron-Ore Sludge
Appl. Sci. 2019, 9(4), 619; https://doi.org/10.3390/app9040619
Received: 31 December 2018 / Revised: 1 February 2019 / Accepted: 6 February 2019 / Published: 13 February 2019
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Abstract
Arsenic and heavy-metal-contaminated environments are a major concern due to their negative impacts on exposed people and ecosystems. In this study, sludge from an iron-ore processing area was used as an adsorbent to remove As, Mn, Zn, Cd, and Pb from aqueous solutions. [...] Read more.
Arsenic and heavy-metal-contaminated environments are a major concern due to their negative impacts on exposed people and ecosystems. In this study, sludge from an iron-ore processing area was used as an adsorbent to remove As, Mn, Zn, Cd, and Pb from aqueous solutions. The adsorption capacity of target adsorbates was investigated in batch experiments of both single- and mixed-metal solutions. The batch studies show that the maximum Langmuir adsorption capacities of the heavy metals onto the adsorbent occurred in the order Pb > As > Cd > Zn > Mn, and ranged from 0.710 mg/g to 1.113 mg/g in the single-metal solutions and from 0.370 mg/g to 1.059 mg/g in the mixed-metal solutions. The results of the kinetic experiments are consistent with pseudo-first-order and pseudo-second-order models, with a slightly better fit to the latter. Adsorption performances indicate that iron-ore sludge can simultaneously adsorb multiple metal ions and is a promising adsorbent for the removal of toxic pollutants from water. Full article
(This article belongs to the Special Issue Innovative Approaches for Drinking- and Waste-Water Treatment)
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