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IJERPH
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Municipal Wastewater Treatment 2020
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Municipal Wastewater Treatment 2020

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 10247

Special Issue Editors

Prof. Dr. José María Carrillo Sánchez

E-Mail Website
Guest Editor
Department of Mining and Civil Engineering, Universidad Politécnica de Cartagena, 30203 Cartagena, Spain
Interests: CFD modeling; two-phase flows; experimental methods and instrumentation; modeling of sewage systems; monitoring; pollutants
Dr. Juan Tomás García-Bermejo

E-Mail Website
Guest Editor
Department of Mining and Civil Engineering, Technical University of Cartagena, Cartagena, 30203, Spain
Interests: planning and maintenance of hydraulic urban infrastructure; sewer processes; sediment transport modeling; experimental hydraulics
Special Issues, Collections and Topics in MDPI journals
Dr. Jose Anta Alvarez

E-Mail Website
Guest Editor
Centre for Technological Innovations in Construction and Civil Engineering (CITEEC), University of A Coruña, Galicia 15001, Spain
Interests: urban hydrology; runoff and wash-off processes; sewer sediments; combined sewer overflows; imaging techniques
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Clean water, appropriate sanitation and good hygiene practices are essential for human development. Goal 6 of the Sustainable Development Goals (SDGs) aims to “ensure availability and sustainable management of water and sanitation for all”.  In response to the global goals, UNICEF has developed a new Strategy for Water, Sanitation and Hygiene (WASH) that provides a framework to guide our work related to water, sanitation and hygiene over the next 15 years.

Sanitation is vital for public health, education and the economy. Although important improvements have been reached in recent decades, adequate municipal wastewater treatment conditions are not universal. The WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (JMP) 2017 update estimated that 61% of the global population in 2015 (4.5 billion people) lacked safely managed sanitation services. Among other problems, insufficient treatment of wastewater and fecal sludge spreads disease and is a driver of antimicrobial resistance. Besides this, demand for wastewater as source water and nutrients for agriculture is expected to increase in the coming years due to climate change, and water demand is expected to increase due to population growth. Considering the current and expected water stress and water quality problems, evidence is needed to design appropriate adaptation policies.

This Special Issue of the International Journal of Environmental Research and Public Health (IJERPH) will focus on the current state of knowledge on municipal wastewater treatment and sewage conveyance, including centralized and decentralized wastewater management strategies for small to medium communities. New research papers, reviews and case reports are welcome for this Special Issue. Papers dealing with new approaches to derive municipal wastewater treatment guidelines or risk assessment and management are also welcome. Other manuscript types accepted include methodological papers, position papers, brief reports and commentaries.

We will accept manuscripts from different disciplines, including sanitary engineering, hydraulic engineering, biochemical processes and pollutants transport in sewer networks, exposure assessment science, epidemiology, intervention studies, risk and health impact assessments, risk management in the area of municipal wastewater treatment and advanced treatments and technologies for the recycling and reuse of municipal wastewater.

Dr. José M. Carrillo
Dr. Juan Tomás García-Bermejo
Dr. Jose Anta Alvarez
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. 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

  • municipal wastewater treatment
  • decentralized systems
  • sanitation safety planning
  • safe use of wastewater, excreta and greywater
  • sewage systems
  • health benefits associated with municipal wastewater treatment
  • infectious diseases
  • climate change and municipal wastewater treatment
  • wastewater for use in agriculture
  • numerical modeling
  • monitoring
  • pollutants
  • emerging contaminants
  • chemicals
  • microorganisms
  • sewer processes
  • sewage testing for COVID-19
  • recycle and reuse advanced treatments of municipal wastewater

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Published Papers (3 papers)

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Research

22 pages, 6276 KiB  
Article
Analysis of the Bacterial Biocenosis of Activated Sludge Treated with Leachate from Municipal Landfills
by Aleksandra Wdowczyk, Agata Szymańska-Pulikowska and Magdalena Domańska
Int. J. Environ. Res. Public Health 2022, 19(3), 1801; https://doi.org/10.3390/ijerph19031801 - 5 Feb 2022
Cited by 14 | Viewed by 3063
Abstract
The influx of toxic pollutants into wastewater treatment plants can negatively affect the quality of the activated sludge (AS). One source is landfill leachate. The identification of microorganisms present in AS is very important, e.g., while improving wastewater treatment technology. Therefore, the aim [...] Read more.
The influx of toxic pollutants into wastewater treatment plants can negatively affect the quality of the activated sludge (AS). One source is landfill leachate. The identification of microorganisms present in AS is very important, e.g., while improving wastewater treatment technology. Therefore, the aim of the study was to investigate the effect of raw leachate and after purification of Phragmites australis and Ceratophyllum demersum on the composition of the AS bacterial biocenosis. In addition, AS status was assessed by LIVE/DEAD BacLight ™ fluorescent staining. The obtained results showed that the leachate did not significantly affect the cell membranes of AS bacteria, and even a slight improvement was noted. The research carried out using the next-generation sequencing method shows that the origin of the samples (active and closed storage) and the method of processing do not significantly affect the composition of the AS bacterial biocenosis at higher taxonomic levels. However, at the species level, the appearance of bacteria not previously present in AS was observed, namely: Flavobacterium luticocti, Candidimonas nitroreducens and Nitrobacter hamburgensis. The obtained results suggest that the leachate may be a source of microorganisms positively influencing the condition of AS bacteria. Full article
(This article belongs to the Special Issue Municipal Wastewater Treatment 2020)
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15 pages, 19178 KiB  
Article
Spatio-Temporal Distribution and Influencing Factors of Human and Veterinary Pharmaceuticals in the Tributary Surface Waters of the Han River Watershed, South Korea
by Jong Kwon Im, Sang Hun Kim, Young Seuk Kim and Soon Ju Yu
Int. J. Environ. Res. Public Health 2021, 18(15), 7969; https://doi.org/10.3390/ijerph18157969 - 28 Jul 2021
Cited by 2 | Viewed by 1979
Abstract
Human and veterinary pharmaceuticals are being increasingly used for disease treatment; hence, their distribution and factors influencing them in the aquatic environment need to be investigated. This study observed the effect of human and animal populations, usage, purchasing criteria (prescription vs. non-prescription), and [...] Read more.
Human and veterinary pharmaceuticals are being increasingly used for disease treatment; hence, their distribution and factors influencing them in the aquatic environment need to be investigated. This study observed the effect of human and animal populations, usage, purchasing criteria (prescription vs. non-prescription), and land use to identify the spatio-temporal distribution of eight pharmaceuticals at twenty-four sites of the tributaries of the Han River watershed. In rural areas, the mean concentration (detection frequency) of non-prescription pharmaceuticals (NPPs) was higher (lower) compared to that of prescription pharmaceuticals (PPs); in urban areas, a reverse trend was observed. Pharmaceutical concentrations in urban and rural areas were mainly affected by wastewater treatment plants (WWTPs) and non-point sources, respectively; concentrations were higher downstream (4.9 times) than upstream of the WWTPs. The concentration distribution (according to the target) was as follows: human–veterinary > human > veterinary. Correlation between total concentration and total usage of the pharmaceuticals was high, except for NPPs. Most livestock and land use (except cropland) were significantly positively correlated with pharmaceutical concentrations. Concentrations were mainly higher (1.5 times) during cold seasons than during warm seasons. The results of this study can assist policymakers in managing pharmaceutical pollutants while prioritizing emerging pollutants. Full article
(This article belongs to the Special Issue Municipal Wastewater Treatment 2020)
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12 pages, 2675 KiB  
Article
The Potential of Chaetoceros muelleri in Bioremediation of Antibiotics: Performance and Optimization
by Amin Mojiri, Maedeh Baharlooeian and Mohammad Ali Zahed
Int. J. Environ. Res. Public Health 2021, 18(3), 977; https://doi.org/10.3390/ijerph18030977 - 22 Jan 2021
Cited by 22 | Viewed by 4187
Abstract
Antibiotics are frequently applied to treat bacterial infections in humans and animals. However, most consumed antibiotics are excreted into wastewater as metabolites or in their original form. Therefore, removal of antibiotics from aquatic environments is of high research interest. In this study, we [...] Read more.
Antibiotics are frequently applied to treat bacterial infections in humans and animals. However, most consumed antibiotics are excreted into wastewater as metabolites or in their original form. Therefore, removal of antibiotics from aquatic environments is of high research interest. In this study, we investigated the removal of sulfamethoxazole (SMX) and ofloxacin (OFX) with Chaetoceros muelleri, a marine diatom. The optimization process was conducted using response surface methodology (RSM) with two independent parameters, i.e., the initial concentration of antibiotics and contact time. The optimum removal of SMX and OFX were 39.8% (0.19 mg L−1) and 42.5% (0.21 mg L−1) at the initial concentration (0.5 mg L−1) and contact time (6.3 days). Apart from that, the toxicity effect of antibiotics on the diatom was monitored in different SMX and OFX concentrations (0 to 50 mg L−1). The protein (mg L−1) and carotenoid (μg L−1) content increased when the antibiotic concentration increased up to 20 mg L−1, while cell viability was not significantly affected up to 20 mg L−1 of antibiotic concentration. Protein content, carotenoid, and cell viability decreased during high antibiotic concentrations (more than 20 to 30 mg L−1). This study revealed that the use of Chaetoceros muelleri is an appealing solution to remove certain antibiotics from wastewater. Full article
(This article belongs to the Special Issue Municipal Wastewater Treatment 2020)
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