NDLI: A Review of Combined Advanced Oxidation Technologies for the Removal of Organic Pollutants from Water

Content Provider	Springer Nature Link
Author	Tijani, Jimoh O. Fatoba, Ojo O. Madzivire, Godfrey Petrik, Leslie F.
Copyright Year	2014
Abstract	Water pollution through natural and anthropogenic activities has become a global problem causing short-and long-term impact on human and ecosystems. Substantial quantity of individual or mixtures of organic pollutants enter the surface water via point and nonpoint sources and thus affect the quality of freshwater. These pollutants are known to be toxic and difficult to remove by mere biological treatment. To date, most researches on the removal of organic pollutants from wastewater were based on the exploitation of individual treatment process. This single-treatment technology has inherent challenges and shortcomings with respect to efficiency and economics. Thus, application of two advanced treatment technologies characterized with high efficiency with respect to removal of primary and disinfection by-products in wastewater is desirable. This review article focuses on the application of integrated technologies such as electrohydraulic discharge with heterogeneous photocatalysts or sonophotocatalysis to remove target pollutants. The information gathered from more than 100 published articles, mostly laboratories studies, shows that process integration effectively remove and degrade recalcitrant toxic contaminants in wastewater better than single-technology processing. This review recommends an improvement on this technology (integrated electrohydraulic discharge with heterogeneous photocatalysts) viz-a-vis cost reduction in order to make it accessible and available in the rural and semi-urban settlement. Further recommendation includes development of an economic model to establish the cost implications of the combined technology. Proper monitoring, enforcement of the existing environmental regulations, and upgrading of current wastewater treatment plants with additional treatment steps such as photocatalysis and ozonation will greatly assist in the removal of environmental toxicants.
Starting Page	1
Ending Page	30
Page Count	30
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	225
Issue Number	9
e-ISSN	15732932
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-08-27
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Degradation Removal Organic pollutants Water Wastewater Combined advanced oxidation technologies Environment Water Quality/Water Pollution Atmospheric Protection/Air Quality Control/Air Pollution Soil Science & Conservation Hydrogeology Climate Change/Climate Change Impacts
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

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