Paper Information

Journal:   INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)   Summer 2003 , Volume 14 , Number 2; Page(s) 9 To 9.
 
Paper: 

THE USE OF POWDERED ACTIVATED CARBON IN REDUCING THE DOC IN WATER TREATMENT PLANTS

 
 
Author(s):  NIKRAVESH SH., ETEMAD SHAHIDI A., RAZEGHI N.
 
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Abstract: 
Today as the technology improves and the application of energy and chemicals enhances the organic pollutants increases in surface waters in which wastewaters are discharged into. In order to reduce water-borne diseases, necessary actions should be taken to decrease the pollutants. Common methods of surface water treatment are not sufficient anymore. Therefore complementary methods like using activated carbon, aeration, and oxidation and. reverse osmosis should be used. In this paper the use of Powdered Activated Carbon (PAC), TOC test and Jar test in reducing the concentration of organic carbons in water treatment is investigated. Initial experimental results showed large errors in Total Organic Carbon (TOC) evaluation so Dissolved Organic Carbon (DOC) was measured instead. The results showed that using the PAC in addition to conventional treatment method using Ferric Chloride. Greatly reduces organic pollutants. Adding about 60 mg/lit of PAC may reduce DOC up to 90% in optimum conditions. However, different factors like the quality of surface water. Experimental errors, instrumental errors and tool errors can influence the experimental results.
 
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