Abstract

This study was conducted to indirectly examine the effects of discharged sewage on public sewage treatment plants and a realistic review of the solids recovery rate, which is restricted in Article 33 of the Sewerage Act. The difference between the 0.8 mm and 0.5 mm hole sizes did not have a significant effect on the recovery rate, but the recovery rate of about 5 kg of standard sample was separated into a 0.5 mm hole size was 55.74±5.96%, which was significant. After solid-liquid separation in the Thinkmom device, the concentration of the discharged sewage was very low compared to the existing food waste water, and the discharged sewage particles were very fine, so it is thought that the impact on the load and clogging of the pipes at the public sewage treatment plant will be very insignificant.

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