Analysis of Oxygen Transfer and Dissolved Oxygen Concentration Measurement Tests in a Wastewater Treatment Plant

The efficiency of oxygen transfer depends on many factors including the type, size and shape of diffusers and the tank geometry. In this paper, the effect of the depth of water in the tank and the extension of coverage area of diffusers on each of oxygen transfer capacity, efficiency and dissolved o...

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Published inApplied Mechanics and Materials Vol. 656; no. Monitoring, Controlling and Architecture of Cyber Physical Systems; pp. 486 - 494
Main Authors Felseghi, Raluca Andreea, Roman, Marius Daniel
Format Journal Article
LanguageEnglish
Published Zurich Trans Tech Publications Ltd 01.10.2014
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Summary:The efficiency of oxygen transfer depends on many factors including the type, size and shape of diffusers and the tank geometry. In this paper, the effect of the depth of water in the tank and the extension of coverage area of diffusers on each of oxygen transfer capacity, efficiency and dissolved oxygen concentration is tested. Experimental procedure is adopted to evaluate the effect of dissolved oxygen concentration. The results of the case study showed that, both the depth of water and the extent of coverage area of diffuser had a significant effect on the tested parameters. The values of oxygen transfer capacity was 76,7 kg O2/h and oxygen efficiency (without agitation): 5,3 kg O2/h, oxygen efficiency (with agitation): 4,2 kg O2/h.
Bibliography:Selected, peer reviewed papers from the International Conference on Aerospace, Robotics, Manufacturing Systems, Mechanical Engineering, Neurorehabilitation and Human Motility (ICMERA 2014), October 24-27, 2014, Bucharest, Romania
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ISBN:9783038352747
3038352748
ISSN:1660-9336
1662-7482
1662-7482
DOI:10.4028/www.scientific.net/AMM.656.486