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Ecology of Wastewater Treatment for Sustainable Water Resource Use

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Water Management".

Deadline for manuscript submissions: closed (15 January 2023) | Viewed by 1746

Special Issue Editor


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Guest Editor
Department of Civil Engineering, Catholic University of San Antonio, Campus de Los Jeronimos s/n, 30107 Guadalupe, Murcia, Spain
Interests: wastewater treatment plant; emerging contaminats; antibiotic resistance

Special Issue Information

Dear Colleagues,

All wastewater treatment plants rely on living organisms to break down biological and chemical wastes. However, in recent years, the number of chemical residues detected in the water has increased steadily. Water quality monitoring has shown that the levels of some of them remain constant despite wastewater treatment. In addition, there is growing evidence to suggest that the pressures we face may be underestimated, especially for the presence of persistent substances that may be leaking into influents and accumulating in food chains. Therefore, knowledge of the ecology involved in wastewater treatment is essential for proper removal of these products and to achieve high quality water. This topic will collect the latest findings of researchers in this field, in order to provide important information for a better understanding of the processes involved in the ecology of WWTPs and to point out directions for further research to overcome this type of pollution.

I look forward to receiving your contributions.

Prof. Dr. Isabel Martínez Alcalá
Guest Editor

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.

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Published Papers (1 paper)

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Research

11 pages, 747 KiB  
Article
Mesocosm Evaluation of the Safety of the Use of Reclaimed Water Regarding Emerging Pollutants in Murcia, Spain
by Isabel Martínez-Alcalá, María Pilar Bernal, Rafael Clemente, Francisco Pellicer-Martínez and Agustín Lahora
Sustainability 2023, 15(5), 4536; https://doi.org/10.3390/su15054536 - 03 Mar 2023
Viewed by 1247
Abstract
The increasing shortage of conventional water for crop irrigation in arid and semiarid regions is encouraging the use of nonconventional water resources. Nevertheless, concern about the presence and possible negative effects of emerging contaminants in reclaimed water can cause individuals to avoid using [...] Read more.
The increasing shortage of conventional water for crop irrigation in arid and semiarid regions is encouraging the use of nonconventional water resources. Nevertheless, concern about the presence and possible negative effects of emerging contaminants in reclaimed water can cause individuals to avoid using these water sources. To clarify the guarantees that reclaimed water offers, a mesocosm study was carried out. Lettuce plants were cultivated in pots watered with three different types of water (distilled, reclaimed, and spiked with contaminants of emerging concern). The results showed low concentrations of contaminants in the leachates and plant tissues when the reclaimed water was used. However, their concentrations were high when the pots were watered with the spiked water; this was mainly true for carbamazepine, which reached a maximum of 2982 ng L−1 in the leachates and 45.2 ng g−1 in the plant roots. In the lettuce watered with the spiked water, carbamazepine was found in the edible part at very low concentrations that did not imply any human risk. Finally, an acute toxicity test was performed on the leachates, which were found to be only slightly toxic in the spiked water. This work indicates that with the current technical improvements in active sludge water treatment, reclaimed water can be used for irrigation without the risk of contamination by contaminants of emerging concern. Full article
(This article belongs to the Special Issue Ecology of Wastewater Treatment for Sustainable Water Resource Use)
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