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<br /> <br />11 <br />INTRODUCTION <br /> BEI has discovered a chemical (perhaps better described as a splid solution <br /> series) that is effective in the destruction of CN in tailings ponds. It will <br />' probably be equally effective in detoxifying leach heaps also. <br /> The economics of use are more attractive than ferrous sulphate and considerably <br /> more attractive than chemical oxidation. <br /> <br /> This technology is now patent pending. <br />1 <br /> <br /> <br />J <br />r <br /> <br /> <br /> <br />1 <br />1 <br />~~ <br />1 <br /> <br /> <br />