Portable wastewater treatment method

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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210712, 210765, 210769, 210776, 210805, 210910, C02F 124

Patent

active

057559732

ABSTRACT:
A portable wastewater treatment system for recycling an aqueous surfactant solution utilized in a parts washer assembly for cleaning parts. The system including a contaminated solution storage tank, a treated solution storage tank, and a portable wastewater treatment apparatus wherein contaminated aqueous surfactant solution is collected in the contaminated solution storage tank, withdrawn from the contaminated solution storage tank, injected with air and passed into a mixing zone where the mixture is sprayed with water. The treated solution in the mixing zone is passed into a quiescent zone where light sludge is passed to the top of the quiescent zone and heavy sludge is passed to the bottom of the quiescent zone, the treated wastewater being disposed between the light sludge and the heavy sludge and the treated wastewater being passed from the quiescent zone into a discharge zone where the treated wastewater is discharged therefrom. The heavy sludge is selectively discharged from the quiescent zone. The light sludge is passed from the quiescent zone into a light sludge bin where the light sludge is selectively discharged therefrom. The treated solution is passed to the treated solution storage tank to provide a recycled supply of treated cleaning solution.

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