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Advances in the Field of Wastewater Treatment and Reuse

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601).

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 1592

Special Issue Editor


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Guest Editor
Department of Micro and Nanotechnologies, Institute of Applied Sciences and Technology, National Autonomous University of Mexico, Mexico City 04510, Mexico
Interests: monitoring and environmental fate of contaminants of emerging concern; validation of analytical techniques for quantification of emerging pollutants in environmentan matrices; advanced oxidation process for water treatment; synthesis and characterization of nanomaterials for water purification; photocatalytic hydrogen production through water splitting
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Special Issue Information

Dear Colleagues,

Since ancient times, humankind has used wastewater to satisfy the water demand in agriculture and animal husbandry, harnessing the organic residues as a source of nutrients for crops. Nevertheless, this practice conveyed a significant risk for spreading disease and the eutrophication of surface water bodies. In the early 20th century, sewage treatment systems reduced the proliferation of waterborne diseases at the time by removing organic matter in effluents, which resulted in safer reuse schemes. Still, wastewater systems were rapidly overwhelmed by the continuous release of new synthetic substances through sewage. Herbicides, pharmaceuticals, personal care products and, more recently, nanomaterials are poorly removed from sewage in most cases, resulting in a significant risk for those reusing wastewater and consuming crops irrigated with effluents. In recent decades, advanced treatment systems have been developed to remove recalcitrant and emerging pollutants, some of them based on multibarrier schemes and, more recently, have been used in biological systems aimed at nutrient recovery. Several challenges are ahead to achieve safe wastewater reuse in different regions. In the Global South, for instance, untreated sewage is frequently used in agricultural irrigation, and health and environmental risks are faced considering the payoffs related to this practice. An increase in soil organic matter, water-shortage relief, and aquifer recharge are some impacts on the physical sphere, whereas higher incomes and a reduction of migration and food security are positive impacts in the socioeconomic sphere. Even when tremendous advances have been achieved for safe wastewater reuse, most of these innovations have been developed and applied in the Global North. Moreover, some advanced wastewater treatments are not appropriate for impoverished regions, where electric power is scarce, for instance, raising the necessity of new research and technological developments aiming at providing ad hoc solutions for safer wastewater reuse schemes in developing countries. This is especially relevant in arid and semiarid areas (most of them in the Global South), where water and food security must be preserved for this and future generations.

This Special Issue is meant to cover new research on wastewater treatments for reuse in agriculture, animal husbandry, and drinking, with an emphasis on solutions for the Global South. The removal of persistent and emerging pollutants will be explored through advanced, conventional, and natural-based processes for sewage treatment systems. The risks related with the reuse of treated and untreated wastewater can be broadly discussed from different perspectives, on topics including (but not limited to) the spreading of antibiotic resistance, microbiological hazards, and epidemiological threats. Articles on wastewater-based epidemiology are also welcome.

You are kindly invited to contribute to this expert dialogue by exploring the current problems in this matter and proposing pertinent and innovative solutions to achieve safe wastewater reuse in a changing world.

You may choose our Joint Special Issue in Water.

Dr. Juan Carlos Durán-Álvarez
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.

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. International Journal of Environmental Research and Public Health 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 2500 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

  • advanced water treatment systems
  • dryland development paradigm
  • emerging pollutants
  • Global North
  • Global South
  • natural attenuation processes
  • pathogens
  • risk assessment
  • water shortage

Published Papers (1 paper)

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Research

14 pages, 3183 KiB  
Article
Response Surface Optimization on Ferrate-Assisted Coagulation Pretreatment of SDBS-Containing Strengthened Organic Wastewater
by Chunxin Zhang, Xin Chen, Meng Chen, Ning Ding and Hong Liu
Int. J. Environ. Res. Public Health 2023, 20(6), 5008; https://doi.org/10.3390/ijerph20065008 - 12 Mar 2023
Cited by 2 | Viewed by 1082
Abstract
Sodium dodecylbenzene sulfonate (SDBS), an anionic surfactant, has both hydrophilic and lipophilic properties and is widely used in daily production and life. The SDBS-containing organic wastewater is considered difficult to be degraded, which is harmful to the water environment and human health. In [...] Read more.
Sodium dodecylbenzene sulfonate (SDBS), an anionic surfactant, has both hydrophilic and lipophilic properties and is widely used in daily production and life. The SDBS-containing organic wastewater is considered difficult to be degraded, which is harmful to the water environment and human health. In this study, ferrate-assisted coagulation was applied to treat SDBS wastewater. Firstly, a single-factor experiment was conducted to investigate the effect of the Na2FeO4 dosage, polyaluminum chloride (PAC) dosage, pH and temperature on the treatment efficiency of SDBS wastewater; then, a response surface optimization experiment was further applied to obtain the optimized conditions for the SDBS treatment. According to the experimental results, the optimal treatment conditions were shown as follows: the Na2FeO4 dosage was 57 mg/L, the PAC dosage was 5 g/L and pH was 8, under which the chemical oxygen demand (COD) removal rate was 90%. Adsorption bridging and entrapment in the floc structure were the main mechanisms of pollution removal. The ferrate-assisted coagulation treatment of strengthened SDBS wastewater was verified by a response surface experiment to provide fundamental understandings for the treatment of the surfactant. Full article
(This article belongs to the Special Issue Advances in the Field of Wastewater Treatment and Reuse)
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