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The chemical behaviour of cyanide in the extraction of gold ... - saimm

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0,20<br />

0,18<br />

0,16<br />

.<br />

. Electrow<strong>in</strong>n<strong>in</strong>g<br />

. No electrow<strong>in</strong>n<strong>in</strong>g<br />

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2 3 4 5 6<br />

Time, h<br />

<strong>of</strong> oxidation <strong>of</strong> cy~nide Ina typical <strong>gold</strong>electrowlnnlng<br />

cell<br />

4. FINKELSTEIN,N.P. <strong>The</strong> chemistry <strong>of</strong> <strong>the</strong> <strong>extraction</strong> <strong>of</strong> <strong>gold</strong> from<br />

its ores. Gold metallurgy <strong>in</strong> South Africa. Adamson, R.J. (ed.).<br />

Johannesburg, Chamber <strong>of</strong> M<strong>in</strong>es <strong>of</strong> South Africa, 1972. pp.<br />

284-351.<br />

5. MORITZ,G. Electrolytic decomposition <strong>of</strong> <strong>cyanide</strong>s. Mod. Ytbehandl<strong>in</strong>g,<br />

vol. 9, no. 4. 1974. pp. 34-36.<br />

6. DAVIDSON,R.J. A pilot plant study on <strong>the</strong> effects <strong>of</strong> <strong>cyanide</strong> concentration<br />

on <strong>the</strong> CIP process. GOLD lOO.Proceed<strong>in</strong>gs <strong>of</strong> <strong>the</strong> International<br />

Conference on Gold. Fivaz, C.E., and K<strong>in</strong>g, R.P. (eds.).<br />

Johannesburg, South African Institute <strong>of</strong> M<strong>in</strong><strong>in</strong>g and Metallurgy,<br />

1986. vol. 2, pp. 209-223.<br />

7. ANON. Kidston Gold M<strong>in</strong>e. M<strong>in</strong>. Mag., voJ. 154. Jan. 1986. pp.<br />

16-21.<br />

8. DAVIDSON, R.J., and SCHMIDT, C.G. A review <strong>of</strong> <strong>the</strong> AARL process<br />

for <strong>the</strong> elution <strong>of</strong> <strong>gold</strong> from activated carbon. Proceed<strong>in</strong>gs <strong>of</strong><br />

<strong>the</strong> 15th CMMI Congress. Field<strong>in</strong>g, LE., and Gordon, A.R. (eds.).<br />

S<strong>in</strong>gapore, <strong>The</strong> Australasian Institute <strong>of</strong> M<strong>in</strong><strong>in</strong>g and Metallurgy,<br />

1986. vol. 4, pp. 215-225.<br />

9. ROBEY, H.L Cyanide destruction <strong>in</strong> a commercial-scale hydrolysis<br />

reactor. Plato Surf. F<strong>in</strong>ish., voJ. 70, no. 6, 1983. pp. 79-82.<br />

10. MOUSSAVI, M., and SUNDARAM, S.S. <strong>The</strong>rmal decomposition <strong>of</strong><br />

<strong>cyanide</strong> waste. Plato Surf. F<strong>in</strong>ish., vol. 69, no. 7: 1982. pp. 67-71.<br />

11. ADAMS, M.D., and NICOL, M.J. <strong>The</strong> k<strong>in</strong>etics <strong>of</strong> <strong>the</strong> elution <strong>of</strong> <strong>gold</strong><br />

from activated carbon. GOLD lOO. Proceed<strong>in</strong>gs <strong>of</strong> <strong>the</strong> International<br />

Conference on Gold. Fivaz, C.E., and K<strong>in</strong>g, R.P. (eds.). Johannesburg,<br />

South African Institute <strong>of</strong> M<strong>in</strong><strong>in</strong>g and Metallurgy, 1986.<br />

voJ. 2, pp. lll-121.<br />

JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY MARCH 1990 73

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