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Sludge Carbon Source Using Ultrasonic apparatus

In this study, comparison the removal efficiencies of organics, nitrogens and phosphorus from sewage using Ultrasonic apparatus were investigated. The concentration of SCODcr were respectively 16.3, 24.4, 48.8, 105.7, 260.3 mg/$\ell$ with time 0, 10, 30, 60, 120min respectively in 200W ultrasonic intensity. The concentration of SCODcr were respectively 124.4, 48.8, 73.2, 203.4, 374.2 mg/$\ell$ with time 0, 10, 30, 60, 120min respectively in 300W ultrasonic intensity. The concentration of SCODcr were respectively 24.4, 40.7, 81.4, 170.9, 439.3 mg/$\ell$ with time 0, 10, 30, 60, 120min respectively in 400W ultrasonic intensity.