Method for vitrification of arsenic and antimony
AssigneeDundee Sustainable Technologies Inc.
InventorsJean-Marc Lalancette, David Lemieux, Khalil Nasrallah, Gabriel Garcia Curiel, Romain Barbaroux
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Abstract
A method for vitrification of arsenic and antimony, comprising substituting oxygen to sulfur on thiosalts, incorporating resulting sodium arsenate and sodium antimonate into a sodium silicate glass-forming mixture and vitrifying the sodium silicate glass-forming mixture into a resulting glass sequestering the arsenic and antimony.
Claims10
Method for vitrification of arsenic and antimony, comprising substituting oxygen to sulfur on thiosalts, incorporating resulting sodium arsenate and sodium antimonate into a sodium silicate glass-forming mixture and vitrifying the sodium silicate glass-forming mixture into a resulting glass sequestering the arsenic and the antimony.
A method for sequestering arsenic and antimony of As/Sb-bearing sulfurated ores or concentrates, comprising oxidation of the arsenic and antimony in the As/Sb-bearing sulfurated ores or concentrates, and vitrification.
Dependencies are inferred from the claim text.