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study on influence of copper concentrate cosmelted with gold

The Ore Grade and Depth Influence on Copper Energy Inputs

The study evaluated implications of different ore grades and mine-depth on the energy inputs to extract and process copper. Based on a 191 value dataset from 28 copper mining operations, seven model equations explaining operational energy costs were statistically evaluated. Energy costs for copper mines with leaching operations were not found to be significantly affected by ore grades nor mine ...

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Metallurgy in Africa | SpringerLink

Intensified use of iron, copper, bronze, gold, and brass during the first and second millennia AD was connected to, but not the cause of, the rise of African states, urbanization, and the development of long distance trade routes in some regions. For example, the city of Jenne‐Jeno in present‐day Mali was well‐developed by the third century AD.

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Metallurgy: Pueblo Indian Adaptations of Spanish Metallurgy - Academia.edu

the participation of puebloan commu- the metal assemblage from pecos is dominated by nities in spanish metallurgy suggests that indigenous copper sheet scrap both as sheet fragments and as rolls. knowledge, indigenous materials, and indigenous as kidder notes, "more than half of the collection exchange networks may be at least as important as .

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A study of the influence of copper on the gold electrowinning process

with the removal of the gold is occasionally experienced and has been correlated with the presence of high concentrations of copper in the eluate. In this work, the influence of copper on the electro-plating of gold was further investigated using a laboratory electrowinning cell with a rotating disc cathode, polarization, and adhesion tests.

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Influence of gold mineralogy on its flotation recovery in a porphyry ...

Abstract. The present study investigates the implications of gold mineralogy on its flotation recovery, in a typical porphyry copper-gold ore (1.7 g/t Au feed grade). Also, flotation strategies to optimise gold recovery and grade without compromising copper recovery and grade were examined.

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A study of the influence of copper on the gold electrowinning process ...

In this work, the influence of copper on the electroplating of gold was further investigated using a laboratory electrowinning cell with a rotating disc cathode, polarization, and adhesion tests. It was found that the reduction of copper will compete with gold electrowinning at high copper tenors and that the adhesion of the precipitated gold ...

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(PDF) Pueblo Indian Adaptations of Spanish Metallurgy - ResearchGate

PDF | On Jan 1, 2007, Mark T Lycett and others published Pueblo Indian Adaptations of Spanish Metallurgy | Find, read and cite all the research you need on ResearchGate

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Copper interaction during the dissolution of gold - ScienceDirect

Stewart and Kappes (2012) also reported cyanide consumption can reach up to 2.3 kg/kg Cu recovered. The presence of copper minerals also has a negative effect on the extraction of gold (Muir et al., 1993; Nguyen et al., 1997; Jiang et al., 2001). In addition to lower gold recovery, additional costs are incurred to either recover the copper and ...

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(PDF) A Review of the Flotation of Copper Minerals - ResearchGate

The recovery of these copper minerals by flotation or hydrometallurgy from ores, typically containing 0.5%TCu (open pit mines) and 1-2%TCu (underground mines) is of great commercial importance ...

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