| 摘要 |
A closed-loop containment washer assembly for use with a pressure washer apparatus for washing an object containing a medium weight contaminant. The washer assembly includes a clean wash fluid basin, and a first collection basin configured and oriented to collect the run-off of a washing fluid after being flowed over the object to remove the medium weight contaminant. A first filter assembly is included having an inlet side in fluid communication with the contaminated washing fluid collected in the basin, and an outlet side for outlet flow of filtered washing fluid. A minority portion of the outlet flow is diverted into the clean wash fluid basin, and a majority portion of the outlet flow is diverted back into the first collection basin. The majority portion is dispensed into the first collection basin in an agitating, turbulent manner to cause the collected medium weight contaminants contained therein to be or remain suspended in the collected washing fluid to promote passage into the inlet side of the filter assembly.
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