When sewage sludge is processed at wastewater treatment plants, the leftover "biosolid" material is generally dried and set aside. While some of it ends up being used as fertilizer, much is often just stockpiled or sent to a landfill. Soon, however, it could find its way into eco-friendly fired-clay building bricks.
.. Continue Reading Environmentally-friendly bricks made from sewage-treatment byproductCategory: Environment
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from New Atlas (Gizmag) http://bit.ly/2Ufrna3
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