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Paving the Road to Zero Waste at Toyota’s Indiana Plant - Green Living Guy
April 10, 2014 How do you turn manufacturing sludge into a sustainable building material? Toyota Motor Manufacturing, Indiana (TMMI) offers a “concrete” example. Before 2010, water used in the manufacturing process was pumped into the plant’s wastewater treatment system. It was cleaned and treated with a chemical — ferric sulfate— to remove metals and contaminants. …