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Reclaiming metallic material from an article comprising a non-metallic friable substrate

United States Patent

6,129,779
October 10, 2000
View the Complete Patent at the US Patent & Trademark Office
A method for reclaiming a metallic material from a article including a non-metallic friable substrate. The method comprising crushing the article into a plurality of pieces. An acidic solution capable of dissolving the metallic material is provided dissolving the metallic material in the acidic material to form an etchant effluent. The etchant effluent is separated from the friable substrate. A precipitation agent, capable of precipitating the metallic material, is added to the etchant effluent to precipitate out the metallic material from the etchant effluent. The metallic material is then recovered.
Bohland; John Raphael (Oregon, OH), Anisimov; Igor Ivanovich (Whitehouse, OH), Dapkus; Todd James (Toledo, OH), Sasala; Richard Anthony (Toledo, OH), Smigielski; Ken Alan (Toledo, OH), Kamm; Kristin Danielle (Swanton, OH)
First Solar, LLC (Toledo, OH)
09/ 076,191
May 12, 1998
STATEMENT OF GOVERNMENT RIGHTS This invention was made with government support under contract number DE-FG02-95ER82068 awarded by the United States Department of Energy. The government has certain rights in this invention.