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2013 (Vol. 5, Issue: 03)
Article Information:

Chemically Enhanced Primary Wastewater Treatment (CEPT) in Conjunction with H2O2/UV Technology in Controlled Atmosphere

Nida Asif, Syed Shahid Ali, Zulfiqar Bhatti and Rabeea Zafar
Corresponding Author:  Syed Shahid Ali 

Key words:  Advanced oxidation process, bioreactor, H2O2UV treatment, Chemically Enhanced Primary Treatment (CEPT), waste water, ,
Vol. 5 , (03): 153-159
Submitted Accepted Published
February 28, 2013 March 11, 2013 March 20, 2013
Abstract:

The contrast of decrease in fresh water supply and an increasing demand for multiple uses of water has adversely affected the quality of waste water. Water-borne illnesses caused by the addition of agricultural and industrial chemicals, by-product wastes and sewage in water reservoirs, have become a serious problem to human health. Sustainable use of water resources, conservation and efficient treatment processes for the re-use of waste water are inevitable. The current study was designed to find the degree of deterioration of water and to formulate the cost-effective technique or method for waste water treatment. Chemically Enhanced Primary Treatment (CEPT) with alum in conjunction with Advance Oxidation Process (AOPs) with H2O2/UV to meet specific objectives in municipal Waste Water Treatment (WWT) was evaluated. This study reports a reduction in COD (70%), BOD (58%) and Turbidity (81%) with an optimum dose of alum (14mg/L). Further degradation of such chemicals with 40% Waste Hydrogen Peroxide and Ultra Violet radiation (H2O2/UV) was also investigated. Reduction in COD (96%) and BOD (95%) of wastewater was observed in samples treated with an exposure to 3ml H2O2. Moreover, a 100% reduction in colony forming units (CFU/ml) of fecal coliform was observed after 90 min treatment with 3ml of 40% H2O2/L wastewater coupled with exposure to UV light. Use of wasted H2O2 is economical as compared to other chemical treatment methods besides reducing H2O2 pollution. Thus CEPT treatment along with H2O2UV exhibited a promising approach without causing any negative impact on the environment.
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  Cite this Reference:
Nida Asif, Syed Shahid Ali, Zulfiqar Bhatti and Rabeea Zafar , 2013. Chemically Enhanced Primary Wastewater Treatment (CEPT) in Conjunction with H2O2/UV Technology in Controlled Atmosphere.  Research Journal of Environmental and Earth Sciences, 5(03): 153-159.
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ISSN (Online):  2041-0492
ISSN (Print):   2041-0484
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