Capital cost was reduced by two-thirds compared to a traditional dip-coating process. The lower operating costs resulted in the coating process comprising 18% of the steel cost, compared to 60% with traditional methods. The payback period was three years for replacing existing plant.14
FSM Sosnowiec manufactures automobile lamps, door locks, and window winders for the Polish-manufactured Fiat cars. The lamp bodies are made of zinc-aluminum alloy and then copper-nickel-chromium plated. The door locks and window winders are made of steel and then zinc plated. The wastestreams contain cyanide and the heavy metals chromium (VI), copper, zinc, and nickel. The company carries out the traditional treatments of detoxification, neutralization, and dewatering.29
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