Ore Processing For Arsenic

Ore Processing For Arsenic

The ore contains 61 pct arsenopyrite and the stoichiometric NaOH for complete extraction of arsenic is 1.88 mol of NaOH per 100 g ore according to equation 1. Table 4 indicates that more than stoichiometric NaOH was required to obtain high extraction of arsenic. Tests 1 2 and 3 used 27 53 and 106 pct of stoichiometric NaOH respectively.

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