Emerging Pollutants and Wastewater Treatment Technologies

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 2462

Special Issue Editors


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Guest Editor
Green Engineering Research Group, Department of Chemical Engineering, Faculty of Engineering and the Built Environment, Durban University of Technology, Durban 4001, South Africa
Interests: water and wastewater treatment technology; biophotocatalysis; membrane technology; bioenergy; process optimization; response surface methodology; green engineering; green catalysis; nanotechnology and magnetic separation technology
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Guest Editor
Green Engineering Research Group, Department of Chemical Engineering, Faculty of Engineering and the Built Environment, Durban University of Technology, Durban 4001, South Africa
Interests: water and wastewater treatment technologies; green engineering; membrane technology; process optimization; advanced oxidation process; nanotechnology; magnetic separation process
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Environmental Science, University of Arizona, Tucson, AZ 85719, USA
Interests: water and wastewater treatment technologies; microbial risk assessment; pharmacetology

Special Issue Information

Dear Colleagues,

Anthropogenic activities and industrialisation makes the treatment of water pollution very fundamental in environmental sustainability. In fact, emerging contaminants (ECs), such as pharmaceuticals, antibiotics, pesticides, oil emulsion, phenols, and dye, are highly recalcitrant pollutants which undermine the efficacy of conventional treatment technologies. Consequently, advancing technologies to monitor and mitigate ECs is highly advantageous as they pose a great threat to human health and the environment. Herein, the reclamation of wastewater for reuse can be a viable route to water sustainability. Generally, to meet stringent wastewater discharge specifications, significant efforts made in addressing and managing waste and water pollution still encounter difficulty. This warrants an urgent demand for developing robust technologies and the concept of treating wastewater towards a circular economy.

Therefore, this Special Issue will present new ideas and experimental results in the field of water and wastewater treatment technologies and other related disciplines. Areas relevant to bioenergy and wastewater management may be included, as they are not limited to kinetics and the process optimisation of anaerobic digestion, advanced oxidation, bioremediation, adsorption, coagulation, nanotechnology, bioprocessing, bioengineering, life cycle assessment, and environmental protection solutions.

Dr. Emmanuel Kweinor Tetteh
Prof. Dr. Sudesh Rathilal
Prof. Dr. Isaac Dennis Amoah
Guest Editors

Manuscript Submission Information

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Keywords

  • advanced oxidation process
  • bioengineering
  • biotechnology
  • coagulation
  • emerging contaminants
  • nanotechnology
  • bioenergy
  • photocatalytic engineering

Published Papers (1 paper)

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Research

11 pages, 1681 KiB  
Article
Enhancing Biodegradation of Industrial Wastewater into Methane-Rich Biogas Using an Up-Flow Anaerobic Sludge Blanket Reactor
by Lindokuhle Ngema, Devona Sathiyah, Emmanuel Kweinor Tetteh and Sudesh Rathilal
Appl. Sci. 2023, 13(7), 4181; https://doi.org/10.3390/app13074181 - 25 Mar 2023
Cited by 1 | Viewed by 1452
Abstract
Anaerobic digestion (AD), the oldest technology used for treating waste, converts organic matter into biogas in the absence of oxygen. The current efforts focuses on improving the digestion of a local industrial wastewater to produce biogas and treat water for reuse. A lab-scale [...] Read more.
Anaerobic digestion (AD), the oldest technology used for treating waste, converts organic matter into biogas in the absence of oxygen. The current efforts focuses on improving the digestion of a local industrial wastewater to produce biogas and treat water for reuse. A lab-scale up-flow anaerobic sludge blanket (UASB) reactor operated at 37 °C was employed for the biodegradation the industrial wastewater. A one-factor-at-a-time (OFAT) approach was used to study the effects of influent chemical oxygen demand (CODin), hydraulic retention time (HRT), and magnetic nanoparticles (magnetite) on UASB biogas and COD elimination from digestate wastewater. The optimum HRT for the biodegradation of municipal wastewater was found to be 21 days with contaminants’ removals of 94%, 90.1%, and 98.9% for COD, color, and turbidity, respectively. The addition of magnetite resulted in 225 mL of cumulative biogas produced with 73% methane content, and treatability efficiency of 85%. The most influential factor was magnetite load, which stimulated the microbial activity via redox catalytic reaction in degrading the high organic wastewater (9590 mg COD/L) into biogas production. The prospects of upgrading lab-scale of this technological concept for bioenergy production is viable to mitigate wastewater management and fossil fuel environmental challenges. Full article
(This article belongs to the Special Issue Emerging Pollutants and Wastewater Treatment Technologies)
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