Abstract
This paper investigates the presence of THM's in wastewater in and from various types of treatment plants and evaluates the efficiency of selected techniques for THM removal. Activated Sludge, Trickling Filters, and Rotating Biological Contactors, are the main processes in the two treatment plant systems that are considered for the purpose of this study. Samples of wastewater were collected from various points such as before chlorination, and after chlorination and in the effluent channel and analyzed for THM's using Gas Chromatography. The results have shown that chlorination process contributes significantly to THM formation. Chloroform removal efficiency were excellent by air stripping using either mechanical or diffused aeration (98%) and by using Activated Carbon as adsorber, which has achieved similar efficiency.
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Schedule a callMore From: Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology
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