Pollutants Removal by Photocatalytic Degradation
A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Environmental Separations".
Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 823
Special Issue Editors
Interests: metal-free catalysts; photocatalysis; pollutant degradation; reaction mechanism
Interests: advanced oxidation processes; wastewater remediation; catalyst; photocatalyst; clay-based composites; waste utilization; chracterization, nanomaterials; renewable energy
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
‘Water’ is a unique natural resource among all sources accessible on Earth. No life of any kind can exist without water. and this substance plays a vital role in maintaining Earth ecology and quality of life. Due to industrialization and population growth, a large amount of poisonous and hazardous pollutants are released, which in turn is affecting both human health and wildlife. Among them are organic, pharmaceutical, and pesticide pollutants believed to be highly toxic and harmful to human health even at trace level concentrations in water. These contaminants persist in the environment mainly because of their recalcitrance and low biodegradability. Therefore, the WHO has reported that concentration (100ng/L) of organic, pharmaceutical, and pesticide pollutants is dangerous, hazardous, and carcinogenic, causing various diseases. Hence, remediation of hazardous organic, pharmaceutical, and pesticide pollutant waste materials from water has become a topic of high international priority.
Globally, several methods have been employed to remove toxic organic, pharmaceutical, and pesticide hazards from aqueous solutions, including adsorption, membrane separation, filtration, and chemical or electrochemical oxidation processes, but these methods are neither economically feasible nor eco-friendly. Hence, a technique based on a photocatalytic method has gained much interest for its potential use in environment purification, as solar energy is an inexhaustible and environmentally friendly energy resource. Moreover, visible light to remove pollutants constitutes a major abiotic pathway for the remediation of natural ecosystems. The use of environmentally friendly reagents and catalysts, together with solar energy as an abundant and renewable energy resource, is the basis of photocatalysis. The design of photocatalysts and their use for the removal of organic, pharmaceutical, and pesticide pollutants in the presence of visible or direct sunlight irradiation as an innovative and viable strategy for the purification of wastewater constitutes the topic of the present Special Issue.
Dr. Vellaichamy Balakumar
Dr. Chitiphon Chuaicham
Guest Editors
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Keywords
- photocatalysts
- toxic pollutants
- photocatalytic degradation
- reaction mechanism
- visible or sunlight
- wastewater
- remediation
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