Three solar tanks, a lagoon, and a marsh inside a 28- by 48-foot greenhouse treat wastewater from 50 people in an office building, private studio, and family residence in Albany, Ind. The natural purifying process takes one to two weeks, eliminates sludge, and produces effluent...
Just Like Nature
An engineered system replicates the cleansing qualities of freshwater streams, meadows, and wetlands in a small business complex in Indiana
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