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The effect of grinding media on copper and gold flotation in the ... Feb 8, 2014 ... The effect of grinding media on copper and gold flotation in the ... In: Leon Lorenzen, World Gold 2013 Conference: Challenges in Gold Mining. ... steel and mild steel grinding rods were used to produce different grinding... More details » Get Price

Effect of grinding media and NaHS on copper ... - DeepDyve

Nov 01, 2000· Read "Effect of grinding media and NaHS on copper recovery at Northparkes Mines, Minerals Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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Corrosive Wear of Grinding Media in Grinding a Complex ...

Addition of sodium nitrite-borax, sodium hydroxide, sodIUm carbonate, lime, or sodium silicate reduced wear of forged steel balls and cast iron slugs in wet grinding a complex zinc-lead-copper sulphide ore in laboratory ball mills. Maximum wear reductions were 27 per cent (forged steel balls) and 33 per cent (cast iron slugs) with sodium hydroxide and...

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Oct 15, 2014· Laboratory wear tests of grinding media for different types of ore, pure components and their mixtures. 3. Establishing relations between wear rate and different types of ores lithology. 4. Development of method for predicting grinding media wear as a function of the lithological composition of copper …

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Effect of grinding media and NaHS on copper recovery at ...

The flotation behaviour of copper minerals in the Northparkes Mines copper-gold ore is dependent on grinding media (and hence grinding Eh) and aeration during conditioning.

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Cast iron grinding media – for the production this type of the grinding media used cast iron as "gray" and "white." The ceramic grinding media – this type of the grinding media, as the name suggests, is made of ceramic and used mainly in small-sized mills (about …

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copper Ore Grinding Mill 3d interier. 2 COPPER MOUNTAIN OVERVIEW ON THE GRINDING MILLS AND THEIR DUAL PINION MILL DRIVES ABSTRACT This paper will first give a short overview of the Copper Mountain project in British Columbia, The result is a continuous update on the ore hardness going to all five grinding lines along . head or lateral beam and, although dampened by the

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The interaction of lignosulfonate dispersants and grinding ...

The type of grinding media has a great effect on mineral flotation. Stainless steel media minimises the amount of iron oxidation products originated from grinding media and therefore the lignosulfonate base polymer F-100 may mitigate the negative effect of clay minerals resulting in the improved copper …

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Corrosion Rates of Grinding Media in Mill Water CDC stacks. A verage corrosion rates and corrosion potentials of grinding media . . copper ore grinding, the corrosion of white irons was found to be between about 40 and . Consumable unit cost versus metallurgical performance SAIMM. copper operations within Australia, and other parts of the world.

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A verage corrosion rates and corrosion potentials of grinding media . .... copper ore grinding, the corrosion of white irons was found to be between about 40 and 60 pct ... of test material at a programmed value relative to the refer- ence electrode ..... A calculation to estimate the surface area ratio of minerals to grinding media. Read more

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grinding media. The interaction of clay minerals and grinding media in copper and gold flotation was investigated in this study. A low-clay ore and a high-clay ore were obtained from Telfer to represent different contents of clay minerals, while stainless steel and mild steel grinding rods were used to

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What Effect Grinding Media has on Selective Flotation of ...

The normal practice for processing complex sulphide ore has been to grind with steel balls and/or rods in steel mills before flotation. Little thought had been given to the effect of grinding media on flotation selectivity of copper – lead zinc ore. Ore Sample The mill feed for the pilot-plant investigation was from a copper-zinc producing mine in northwestern Quebec.

The interaction of lignosulfonate dispersants and grinding ...

Request PDF on ResearchGate | The interaction of lignosulfonate dispersants and grinding media in copper–gold flotation from a high clay ore | This study was conducted to explain an inconsistent ...

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