Sources and Removal of Organic Pollutants in Wastewater
A special issue of Toxics (ISSN 2305-6304). This special issue belongs to the section "Toxicity Reduction and Environmental Remediation".
Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 8914
Special Issue Editors
Interests: organic micropollutants; environmental endocrine disruptor; analytical de-velopment; water treatment; advanced catalytic oxidation; adsorption; bio-technology; water reuse
Special Issues, Collections and Topics in MDPI journals
Interests: environmental chemistry; environmental impact assessment; exposure assessment; water chemistry; metal speciation; emerging contaminants; water treatment; bio-technology; adsorption; physico-chemical treatment
Special Issues, Collections and Topics in MDPI journals
Interests: soil science; organic pollutants; environmental science; liquid chromatography; method development; MS/MS; sampling
Special Issue Information
Dear Colleagues,
The preservation of water resources and the aquatic environment is a key issue for humanity. During the last several decades, many researchers have focused on the characterization of organic pollutants in wastewater and their removal to seek better management and effective protection of the aquatic environment. However, the objective of better management and protection of these resources is not met because of the difficulties related to the large variety of compounds and their continuous emission. The main sources of pollution for the aquatic environment are discharges from wastewater treatment plants, rainwater leaching and agricultural runoff. These sources contain a large variety of pollutants, and among them, organic micropollutants are the most emblematic. However, the majority of countries do not account for the elimination of organic micropollutants among their waste water treatment objectives. This seems to be linked to the difficulties of performing and/or the price of process. Now, it is necessary to find technologies with good efficiency, easy implementation and low cost to remove organic pollutants from wastewater. This Special Issue focuses on the characterization of organic pollutant emission sources, and on the innovative technical solutions to reduce or remove organic pollutants from wastewater.
A large variety of organic micropollutants are widely used in the composition of industrial products (detergents, solvents, plasticizers, formulation products, building materials), household products (toys, cleaning products, household appliances), personal care (cosmetics and pharmaceutical products) and in agricultural activities (herbicides, insecticides, fungicides, fertilizers). Because of their large and widespread application, organic micropollutants are continuously dispersed in all compartments of the environment and aquatic environment, which act as final receptors. Consequently, organic micropollutants originating from human activities can impact aquatic biodiversity and contaminate water resources. The current wastewater treatment plants are one of the principal pollutant emission sources. One of the major concerns in wastewater treatment is organic micropollutants because of their persistence in conventional treatment processes. Due to anthropogenic pressure and climate change, the chemical and ecotoxicological state of the natural aquatic environment have been strongly impacted during these last several decades.
The preservation of water in the natural environment is a key issue to meet the needs of current and future generations. However, if the need to protect water resources and ecosystems is quantitatively and qualitatively established, the tools to provide a holistic diagnosis of the current state of the pollution sources and the appropriate preservation techniques remain to be defined. Indeed, to determine appropriate removal techniques, a complete characterization of the pollution is essential. To date, numerous techniques have been reported to efficiently remove organic micropollutants. However, some use expensive reagents and others can generate toxic by-products in sewage sludge and in treated water. Therefore, there is an urgent need to develop new alternative technologies to treat these toxic organic compounds safely and efficiently with an acceptable price in a way that is easily applicable to real wastewater treatment plants.
This Special Issue of Toxics will focus on (i) the recent advances in analytical methods developed for the identification and quantification of organic micropollutants in wastewater, including target, semi-target, and non-target screening techniques; as well as (ii) innovative treatment techniques to reduce or remove organic micropollutants from wastewater. These innovative techniques may be biological treatments, catalyzed (photo)oxidation, adsorption or other techniques appropriate for wastewater treatment. Original research articles, reviews, and short communications are welcome.
Dr. Sopheak Net
Prof. Dr. Baghdad Ouddane
Guest Editors
Giovanni Caria
Guest Editor Assistant
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Keywords
- pollution emision sources
- removal of organic pollutants
- innovative treatment technique
- wastewater treatment
- biological treatment
- tertiary treatment
- catalyzed (photo) oxydation
- organic pollutants in wastewater
- adsorption
- ozonation
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