| 摘要 |
<p>A washing apparatus for washing solid fractions such as screenings or grit derived from a sewage treatment plant and contaminated with faecal material, comprising a tank (11; 111) for receiving aqueous liquid and contaminated solid fractions, and, means (22, 23, 24; 26; 126; 163) for generating turbulence within said aqueous liquid to break-down the faecal contaminants to a finely divided form. The invention also resides in a method of washing screenings. <IMAGE></p> |
