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http://dx.doi.org/10.14249/eia.2019.28.6.592

Study on the Low Energy Sewage Management Based on Pre-sensing Technology and Automatic Blower Control  

Lee, Seungmyoung (R&D Center, AquaTech)
Kim, Hanlae (R&D Center, AquaTech)
Ki, Kyoungseo (Water and Sewage Office, Muan-Gun)
Publication Information
Journal of Environmental Impact Assessment / v.28, no.6, 2019 , pp. 592-603 More about this Journal
Abstract
This study is about the implementation of low energy sewage management technology through effective control of blower which consumes the most energy in sewage treatment. In calculating the amount of oxygen required for microorganisms, unlike the existing method using the operating index in the bioreactor or TMS data in the discharge port, the CODcr and NH4+-N concentration changes in sewage flowing into the sewage treatment plant were detected in advance before entering the bioreactor and the amount of air was controlled based on this. The pre-sensing was found to have a high correlation compared with conventional products. As a result of blower control, it was possible to save about 9.9% energy more than the manual control. Consequently, this study suggested the possibility of blower's real-time control combined with pre-sensing technology. Also, it is expected that the low energy sewage treatment can be applied to sewage treatment facilities dependent on operation by manpower, and it will contribute to the reduction of greenhouse gas emissions.
Keywords
Sewage Concentration; Pre-Sensing; Blower Control; Energy Saving; Greenhouse Gas Emissions Reduction;
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Times Cited By KSCI : 2  (Citation Analysis)
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