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Special Issue "Wastewater Treatment, Valorization and Reuse"

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water and Wastewater Treatment".

Deadline for manuscript submissions: 31 December 2019.

Special Issue Editors

Guest Editor
Dr. Mejdi Jeguirim

Institut de Sciences des Matériaux de Mulhouse, 3 rue Alfred Werner, 68093 Mulhouse Cedex, France
Website | E-Mail
Interests: pyrolysis; gasification and combustion of different biomasses, including agriculture residues and agro-industrial byproducts; gaseous and aqueous effluent treatments
Co-Guest Editor
Dr. Salah Jellali

Water research and technologies centre (CERTE), Touristic road of Soliman, BP 273, 8020, Soliman, Tunisia
Website | E-Mail
Interests: water and wasetawter quality; wastewater treatment technologies; treated wastewater valorisation; treated wastewater reuse; water resources mangement; water resources governance; wastes management; agriculture

Special Issue Information

Dear colleagues,

Water resources management in general and wastewater treatment, valorization, and reuse in particular are currently being considered as important worldwide challenges. In this context, the 2030 United Nations Agenda for Sustainable Development Goals (UN-SDGs) aims to improve water quality by reducing pollution, eliminating dumping, and minimizing the release of hazardous chemicals and materials, halving the proportion of untreated wastewater and substantially increasing recycling and safe reuse globally. Nowadays, the paradigm of wastewater management is shifting from ‘treatment and disposal’ to ‘reuse, recycle, and resource recovery’. The main benefits of this new concept concern not only human and environmental health, food, and energy security but also climate change mitigation. Hence, in the context of a circular economy, whereby economic development must be balanced with natural resources preservation and environmental sustainability, wastewater can be considered an abundant source of precious and sustainable resources.

The main included themes in this Special Issue include but are not limited to the following:

  • Wastewater treatment technologies;
  • Innovative technologies for the removal of emerging pollutants;
  • Decentralized wastewater treatment systems;
  • Sewage bio-solids management (methanisation, composting, land application, etc.);
  • Resources (struvite/energy) recovery from wastewater;
  • Reuse of recovered resources from wastewater;
  • Reuse of reclaimed wastewater (agriculture, groundwater recharge, industry, and others);
  • Wastewater reuse policy;
  • Wastewater reuse and monitoring.

Dr. Mejdi Jeguirim
Dr. Salah Jellali
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. Water 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 1600 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

  • wastewater
  • bio-solids
  • struvite
  • energy
  • reuse
  • agriculture
  • environment
  • monitoring
  • circular economy.

Published Papers (2 papers)

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Research

Open AccessArticle
Textile Wastewater Purification Using an Elaborated Biosorbent Hybrid Material (Luffa–Cylindrica–Zinc Oxide) Assisted by Alternating Current
Water 2019, 11(7), 1326; https://doi.org/10.3390/w11071326
Received: 31 May 2019 / Revised: 21 June 2019 / Accepted: 22 June 2019 / Published: 27 June 2019
PDF Full-text (2888 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
This paper aims to synthesize hybrid materials with high pollutant-uptake capacity and low costbased based on Luffa cylindrica (L.C) and different percentage of Zn2+ in the presence and absence of alternating current (AC). Physico-chemical, morphological and structural characterizations of the [...] Read more.
This paper aims to synthesize hybrid materials with high pollutant-uptake capacity and low costbased based on Luffa cylindrica (L.C) and different percentage of Zn2+ in the presence and absence of alternating current (AC). Physico-chemical, morphological and structural characterizations of the hybrid materials were performed by Boehm method, point zero charge (pHpzc), infrared characterizations (IR), scanning electron microscopy (SEM), energy–dispersive spectroscopyand and X-ray photoelectron spectroscopy. The efficiency of the designed hybrid materials was optimized based on their performance in water depollution. Methylene blue (MB) and industrial textile wastewater were the investigated pollutants models. IR characterizations confirmed the fixation of Zn2+ onto the L.C by the creation of Zn-OH, Zn-O and Zn-O-C bonds. Boehm titration showed that the fixation of Zn2+ onto L.C is accompanied by an increase of the basic functions of its surface and subsequently an increase in the pHpzc. SEM results confirmed the fixation of Zn2+ onto the L.C coupling AC with biosorption showed an increase in the adsorbed amount of MB and speed when adding the 4% of Zn2+ compared to the pure L.C the Qm shifted from 3.22 to 9.84 and 8.81 mg/g, respectively, for hybrid materials synthesized under AC, in absence of AC and pure L.C. Full article
(This article belongs to the Special Issue Wastewater Treatment, Valorization and Reuse)
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Open AccessArticle
Olive Mill Wastewater: From a Pollutant to Green Fuels, Agricultural Water Source, and Bio-Fertilizer. Part 2: Water Recovery
Water 2019, 11(4), 768; https://doi.org/10.3390/w11040768
Received: 20 March 2019 / Revised: 9 April 2019 / Accepted: 10 April 2019 / Published: 13 April 2019
PDF Full-text (3288 KB) | HTML Full-text | XML Full-text
Abstract
Water shortage is a very concerning issue in the Mediterranean region, menacing the viability of the agriculture sector and in some countries, population wellbeing. At the same time, liquid effluent volumes generated from agro-food industries in general and olive oil industry in particular, [...] Read more.
Water shortage is a very concerning issue in the Mediterranean region, menacing the viability of the agriculture sector and in some countries, population wellbeing. At the same time, liquid effluent volumes generated from agro-food industries in general and olive oil industry in particular, are quite huge. Thus, the main aim of this work is to suggest a sustainable solution for the management of olive mill wastewaters (OMWW) with possible reuse in irrigation. This work is a part of a series of papers valorizing all the outputs of a three-phase system of oil mills. It deals with recovery, by condensation, of water from both OMWW and OMWW-impregnated biomasses (sawdust and wood chips), during a convective drying operation (air velocity: 1 m/s and air temperature: 50 °C). The experimental results showed that the water yield recovery reaches about 95%. The condensate waters have low electrical conductivity and salinities but also acidic pH values and slightly high chemical oxygen demand (COD) values. However, they could be returned suitable for reuse in agriculture after additional low-cost treatment. Full article
(This article belongs to the Special Issue Wastewater Treatment, Valorization and Reuse)
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