Water Quality, Wastewater Treatment and Water Recycling

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

Deadline for manuscript submissions: 30 April 2025 | Viewed by 2281

Special Issue Editor


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Guest Editor
Department of Environmental Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Johannesburg 1710, South Africa
Interests: applied and environmental microbiology; water quality; wastewater treatment; environmental pollution; metagenomics; microbial ecology; ecotoxicology

Special Issue Information

Dear Colleagues,

Water quality, wastewater treatment and water reuse continue to be topical issues requiring research attention and innovations amidst the complexity of pollution, supply, demand, need for sustainability, population growth, urbanisation, industrialisation and climate change. This Special Issue seeks to publish topical and ground-breaking advanced research articles highlighting research on water quality looking at pollution, monitoring, emerging pollutants in water and wastewater, antimicrobial resistance, risk assessment, wastewater treatment processes, water reuse and risks. Research papers considering application of artificial intelligence in wastewater treatment processes, modelling and process management will also be considered. With new and emerging pollutants being acknowledged in water and wastewater, water quality and wastewater treatment processes are equally impacted, and research addressing this concern is a necessity for environmental and human health protection. On the other hand, with increased water demand, water reuse occupies a key position in conserving and supplementing water requirements for various applications. Papers demonstrating advances in wastewater treatment leading to water of acceptable quality for reuse will be accepted in this Special Issue. Overall, in this Special Issue, the latest research articles to be published will include, but are not limited to, the following: 

  • Water quality, pollution, monitoring, emerging contaminants, antimicrobial risks, climate change impacts;
  • Wastewater treatment and novel technologies;
  • Treatment of different water effluents including technologies for the removal of emerging pollutants;
  • Artificial intelligence in water quality and wastewater treatment;
  • Wastewater treatment and valorisation;
  • Wastewater recycling, reuse, and risk concerns.

Prof. Dr. Memory Tekere
Guest Editor

Manuscript Submission Information

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Keywords

  • water quality
  • emerging contaminants
  • treatment processes
  • water reuse
  • SDG6.3
  • waste effluent valorisation
  • innovations
  • advanced technology
  • pathogens
  • AI in wastewater issues

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Published Papers (2 papers)

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Research

16 pages, 2690 KiB  
Article
Performance Evaluation of a Pilot-Scale Constructed Wetland with Typha latifolia for Remediation of Domestic Wastewater in Zimbabwe
by Richwell Alufasi, Wilson Parawira, Cuthbert J. Zvidzai, Alexandros I. Stefanakis, Nancy Musili, Phiyani Lebea, Ereck Chakauya and Walter Chingwaru
Water 2024, 16(19), 2843; https://doi.org/10.3390/w16192843 - 7 Oct 2024
Viewed by 1214
Abstract
The management of wastewater remains a challenge, particularly in developing countries. The potential use of constructed wetlands to treat wastewater is promising but their contaminant removal efficiencies, particularly in a tropical country such as Zimbabwe, are not fully understood. A pilot-scale study was [...] Read more.
The management of wastewater remains a challenge, particularly in developing countries. The potential use of constructed wetlands to treat wastewater is promising but their contaminant removal efficiencies, particularly in a tropical country such as Zimbabwe, are not fully understood. A pilot-scale study was undertaken in Zimbabwe to evaluate the efficiency of vertical-flow constructed wetlands planted with Typha latifolia in the treatment of domestic wastewater. Four pilot subsurface vertical-flow constructed wetland units (measuring 1 m × 1 m × 1.1 m) were built from concrete. The units were filled with waste rock from a nickel mine. Three units were planted with Typha latifolia while the fourth one was left unplanted, acting as the control. Each unit was loaded with wastewater at a rate of 220 dm3/day. Physico-chemical and bacteriological parameters were analyzed during the winter season. Physico-chemical and bacterial contaminant concentrations were significantly lower in the effluent than in the influent, and the system achieved maximum removals for BOD5, COD, TDS, TSS, nitrates, phosphates, phosphate pentoxide, phosphorus, and E. coli of 56.01%, 82.87%, 30.61%, 90.40% 17.26%, 35.80%, 36.19%, 40.64%, and 90.28%, respectively. The study shows that constructed wetland systems can be successfully established for the removal of physical, chemical, and microbial contaminants from domestic wastewater. Full article
(This article belongs to the Special Issue Water Quality, Wastewater Treatment and Water Recycling)
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18 pages, 730 KiB  
Article
Using Treated Wastewater for Non-Potable Household Uses in Peri-Urban India: Is It Affordable for the Users?
by Norbert Brunner, Sukanya Das, Anju Singh and Markus Starkl
Water 2024, 16(19), 2838; https://doi.org/10.3390/w16192838 - 6 Oct 2024
Viewed by 871
Abstract
Reuse of wastewater is a promising response to water scarcity. For peri-urban areas served by decentralized wastewater treatment plants, the delivery of treated wastewater to the households may be a viable option to promote reuse on a larger scale. Based on a case [...] Read more.
Reuse of wastewater is a promising response to water scarcity. For peri-urban areas served by decentralized wastewater treatment plants, the delivery of treated wastewater to the households may be a viable option to promote reuse on a larger scale. Based on a case study in Eastern India, this paper explores if households would accept recycled water for non-potable purposes and if they would pay for it. While the respondents to household surveys had very positive views about recycling, they were not willing to pay much, even if they were from a middle-income class and could afford more. A closer analysis of the attitudes towards recycling indicated knowledge gaps about the risks and advantages of using recycled water. Full article
(This article belongs to the Special Issue Water Quality, Wastewater Treatment and Water Recycling)
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