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Field Test for a Biological Nitrogen Treatment System with Low Temperature Solar Thermal Energy  

Chung, Mo (Dept. of Mechanical Engineering, Yeungnam University)
Lee, Dong-Won (Korea Institute af Energy Research)
Publication Information
Journal of the Korean Solar Energy Society / v.28, no.2, 2008 , pp. 34-41 More about this Journal
Abstract
A low-temperature solar thermal system assisting a biological nitrogen treatment reservoir was designed and field-tested. A large tank whose temperature was maintained at about $25-30^{\circ}C$ to enhance the performance of a biological nitrogen treatment process was heated by an array of flat plate solar collectors. Test results revealed that the overall collector efficiency was above 50% for the most cases tested. This high efficiency was possible owing to the relatively low collector temperature that can be traced back to the reservoir temperature. A substantial enhancement in nitrogen treatment was observed as a result of maintaining the reservoir temperature higher.
Keywords
Biological nitrogen treatment; Solar energy assisted reactor; Low temperature solar thermal energy utilization;
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