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Improving Slurry Recycling Makes Green Process Greener

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Michael Naselaris and Zachary Hobbs, Sydor Optics

In August 2012, Sydor Optics shared its efforts to recycle and reuse cerium oxide polishing slurry. Two years later, the company has improved the process to save even more cerium oxide – and even more money. In September 2010, thanks to China’s rare-earth export restrictions, the cerium oxide used in optics polishing became scarce, with pricing more than tripling in a matter of months. At the end of that year, Sydor Optics began working with Flint Creek Resources to recycle spent cerium polishing slurry by removing the contaminants: glass swarf, as well as trace amounts of...Read full article

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    Published: August 2014
    Featurespolishing applicationsCerium oxide polishing slurryglass-polishingpolishing powders

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