METHOD AND APPARATUS FOR MICROWAVE INDUCED PYROLYSIS OF ARSENICAL ORES AND ORE CONCENTRATES
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United States of America Patent
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Issued Date -
Mar 20, 2008
app pub date -
Sep 20, 2007
filing date -
Sep 20, 2006
priority date (Note) -
Abandoned
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Abstract
A method is provided that includes the steps of passing microwave energy through a sulfidic material comprising arsenopyrite and pyrite to reduce at least most of the arsenopyrite to arsenic sulfide and form a calcine, the material being positioned in a reaction chamber of a reactor vessel and removing the arsenic sulfide from the calcine.
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