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Title

A Study on the Impact of operational Conditions in the Use of Nanofiltration Technology for Removing Arsenic from Drinking Water

Year: 1391
COI: CEE06_148
Language: EnglishView: 1,676
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Authors

Mudar Harfoush - Scholar researcher at faculty of environment, University of Tehran
Ali Zahedi
Noushin Khazaei
Mojdeh Soroush

Abstract:

Nowadays, one of the main environmental concerns is the toxicity, caused by arsenic polluted water that could bring about many health problems to human beings such as varied cancer diseases. In natural water there is non-organic arsenic in the form tri oxi anions (arsenite), penta oxi anion (arsenate) of which concentrated large quantities have been spotted in several Iranian governorates such as east Azerbaijan, Kurdistan, and particularly in the city of Bijar. Nanofiltration technology has a good potential for integration with current water treatment plant to perform pollution control. In this paper, in an attempt to enhance the arsenic removal, both arsenite and arsenate with different concentrations feed to a nanofiltaration system. For better understanding of effects of operational conditions, different pressures applied as well as varied temperature. The maximum arsenite removal rate is about 90% at 100µg/l, 7 bar of pressure and 28°C. Moreover, Arsenate removal shows better behavior at higher initial concentration of 1000 µg/l, 7 bar of pressure and 28°C. Increasing the operational pressure has a positive effect in rejection rate. However rising the temperature deteriorated the overall Arsenic removal

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Paper COI Code

This Paper COI Code is CEE06_148. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/169782/

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Harfoush, Mudar and Zahedi, Ali and Khazaei, Noushin and Soroush, Mojdeh,1391,A Study on the Impact of operational Conditions in the Use of Nanofiltration Technology for Removing Arsenic from Drinking Water,6th Conference and Exhibition on Environmental Engineering ,Tehran,https://civilica.com/doc/169782

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