Pre-treated greywater is applied intermittently to the surface of a filter media, percolates through an unsaturated filter zone where physical, biological and chemical processes treat the water. The treated greywater is collected in a drainage network or infiltrates the underlying soil.
Pre-treated greywater is applied intermittently to the surface of a filter media, percolates through an unsaturated filter zone where physical, biological and chemical processes treat the water. The treated greywater is collected in a drainage network or infiltrates the underlying soil.
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