What goes down your toilet and drain can end up on farm fields across the United States. Biosolids, or sewage sludge, are the ...
After another thickening step, the solids are ready to ... Some treatment facilities further dry out sludge, turning it into a dirt-like material that can emit steam as microbes do their work ...
After another thickening step, the solids are ready to ... Some treatment facilities further dry out sludge, turning it into a dirt-like material that can emit steam as microbes do their work ...
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