Advanced Technologies in Sustainable Wastewater Treatment and Water Reuse
A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".
Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 2186
Special Issue Editors
Interests: water and wastewater treatment; harmful algal bloom; emerging contaminants; environmental impact assessment and risk management; synchrotron-radiation-based techniques and environmental applications
Special Issues, Collections and Topics in MDPI journals
Interests: photocatalytic oxidation; nanomaterials; energy recovery from water and wastewater treatment; emerging contaminants; system design
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
In recent decades, the occurrence of a huge amount of newly identified compounds of anthropogenic or natural origin in the aquatic environment has become a global issue. These contaminants typically occur in trace concentrations in the range from parts per trillion (ppt or ng/L) to parts per billion (ppb or μg/L). These compounds are named as “emerging contaminants (ECs)”. The elevation of ECs such as pharmaceuticals and personal care products (PPCPs), pesticides, flame retardants (e.g., PBDE, PFAS/PFOA/PFOS), microplastics, and antibiotic-resistant genes can pose a chronic risk to ecosystem and human health. Conventional water treatment processes such as coagulation/flocculation, sedimentation, filtration, biodegradation, and disinfection can remove naturally occurring contaminants (e.g., pathogens, cyanotoxins, arsenic, fluorine, heavy metals) but may not be able to remove ECs. Therefore, advanced technologies are required to address emerging issues.
Advanced technologies, such as advanced oxidation processes (AOPs), new-material-based adsorption, membrane filtration, and biofiltration, have recently been applied as tertiary treatment to improve water quality in wastewater and reduce the potential risk to the environment. These processes are usually carried out with expensive, sophisticated systems, or assume high energy and chemical consumption, which hinder their wide and sustainable applications for water reuse. The sustainability of advanced wastewater treatment technologies has been improved by the application of novel materials, improvements in system designs, as well as the reduction of energy and chemical consumption. For example, engineering nanomaterials offer exceptional catalytic, optical, electrical, adsorptive, and antimicrobial properties through control over material size, morphology, and structure. These features allow the development of materials with high selectivity, efficiency, and reliability not only for water purification but also energy and chemical reduction. These materials and technologies that utilize renewable or low-grade energy would enhance the sustainability and cost-effectiveness of wastewater treatment and offer high capacity and flexibility to treat challenging emerging issues.
This Special Issue targets the development of advanced materials and technologies, novel systems for reaction intensification, system simplification, and high energy and chemical efficiency for wastewater treatment and reuse. We are also interested in manuscripts exploring process mechanisms, the progress made in analytical methodologies for advanced materials, mechanisms of novel treatment technologies, and their applications in wastewater treatment plants and water reuse.
Dr. Xiaying Xin
Dr. Bo Liu
Guest Editors
Manuscript Submission Information
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Keywords
- new materials
- nanotechnology
- wastewater treatment
- emerging contaminants
- water reuse
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