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Title:
Effect of Ultrasound on Sludge from Water Treatment Plant
Authors:
Kim, Young U.; Ha, Junsoo; Yoon, Ki Yong; Lee, Seung-Hyun
Affiliation:
AA(Department of Civil Engineering, Sunmoon University, Asan-si, Chungnam 336-708, Korea)
Publication:
Japanese Journal of Applied Physics, Volume 43, Issue 10, pp. 7362 (2004).
Publication Date:
10/2004
Origin:
IPAP
DOI:
10.1143/JJAP.43.7362
Bibliographic Code:
2004JaJAP..43.7362K

Abstract

In this study, we investigated the effect of ultrasound on the reduction in the amount of heavy metals and the dewaterability of sludge from a water treatment plant. The investigation involved laboratory experiments, which were conducted under different conditions, including the energy levels of ultrasonic waves and treatment time. Results of the study show that ultrasound reduces the amount of heavy metals and enhances the dewaterability of sludge significantly. The degree of enhancement varies with ultrasonic energy and treatment time.
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