Studies on Micro-Polluted Source Water Treatment by Ozone Combined Processes

Jian Kun Zhang

doi:10.4028/www.scientific.net/AMR.281.40

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 281Studies on Micro-Polluted Source Water Treatment...

Studies on Micro-Polluted Source Water Treatment by Ozone Combined Processes

Abstract:

According to the water quality characteristics, micro-polluted source water treatment by ozone combined processes. The results show that the average removal efficiencies of algae, COD_Mn, NH₄⁺-N, turbidity, chromaticity by bio-pretreatment filter are 72.0%, 14.5%, 80.5%, 58.6% ,26.0%, respectively; while the whole average removal efficiencies by pre-ozonation tank following bio-pretreatment filter had increased at the different dosages of ozone, such as algae 12.0%, COD_Mn 19.5% ,NH₄⁺-N 7.5%, turbidity 10.9%, chromaticity 34.5%, respectively; and the optimal dosages of ozone are between 0.7 and 1.5mg/L. Furthermore, compared with the conventional water treatment process, all kinds of combined water treatment processes are better than the conventional one, of which the combined process Ⅲ with granular activated carbon (GAC) adsorption tank is obviously the best, all the average removal efficiencies of algae, COD_Mn, NH₄⁺-N, turbidity, chromaticity can reach 82%, while whose operation expenditure is higher than any others, so it should be considered comprehensively in the practice.

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Periodical:

Advanced Materials Research (Volume 281)

Pages:

40-44

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.281.40

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Online since:

July 2011

Authors:

Jian Kun Zhang

Keywords:

Bio-Pretreatment Filter, Micro-Polluted Source Water, Ozonation

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References

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