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Metallurgy and Mineral Processing

Mine-To-Mill Optimisation: Effect Of Feed Size On Mill Throughput
Adrian Dance

Over the past 15 years, mine-to-mill studies have focused attention on the impact blast fragmentation has on concentrator throughput.

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The Building Blocks For Plant Design
David Pattinson

The process design of a metallurgical plant follows logical steps, one built on another, to define the circuit requirements.

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Froth Flotation Circuit Design And Basic Testwork Requirements
Eric Olin

Froth flotation is a very important mineral concentration process that is used to recover a vast array of different minerals containing valuable commodities such as copper, lead, zinc, nickel, molybdenum, tungsten, silver, gold, phosphate and potash.

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Testwork At Dominga IOCG Project, Chile
John Willis

SRK Chile is managing a pre-feasibility study (PFS) for the Dominga Iron Oxide-Copper-Gold Project located in Region IV of Chile.

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Metallurgical Testwork From Scoping To Feasibility Study Level
Eric Olin

Evaluation of mining projects generally start with an initial scoping-level study, and if justified, proceeds to more detailed prefeasibility and feasibility evaluations.

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Determining Gold Balance In Refractory Gold Ores
Rob Bowell

SRK completed several studies on gold-bearing, complex-sulfide ore feed and autoclave tailings from a mine on the Carlin trend in northern Nevada.

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Philex Silangan – The Effects Of Copper Mineralogy
Adrian Dance

Since 2010, SRK has been working with Philex Mining Corporation on their Silangan project, located on Mindanao Island in the Philippines.

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Grinding Circuit Design Principles
Adrian Dance

Many people in the mining industry have heard stories about how the ore was ‘harder than expected’ or the mill is ‘not achieving design throughput’.

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Processing Copper-Porphyritic Ore
Kate Ovsyannikova

Copper sulfide represents the main source of produced copper. The three main types of copper sulfide deposits are high grade massive and disseminated copper-porphyritic and copper-bearing sandstone.

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Designing Gold Project Flowsheets
Dmitry Yermakov

It has been said that gold was one of the first metals to be mined. As deposits with free, coarse gold were depleted and the volume of mining increased, process flowsheet design became more and more complicated.

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Process Optimisation
Adrian Dance

The mining industry continues to practice using ‘operational silos’ where different parts of an organisation work in isolation to achieve goals that only affect themselves.

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Geometallurgy: Increasing Orebody Value
John Willis

Geometallurgy has been described as a ‘comparatively young analytical field that aims to bridge the gap between geology and metallurgy’.

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Plant Benchmarking: An Opportunity For Sustained Efficiency
Denise Nunes

Processing plants are designed according to metallurgical tests performed on composite samples and the range of recoveries is explored by testing composites for variability.

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In Situ Leaching Or In Situ Recovery
Vladimir Ugorets, Dmitry Yermakov

In situ leaching (ISL), also known as in situ recovery, is a low capital-cost method of extracting uranium, copper or potash from suitable deposits

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Leach Circuit Design Principles
John Willis

Designing a leach circuit should consider both ore-specific factors as well as factors involving the interaction between the ore and process equipment.

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Yellowknife Gold Project
Eric Olin

Tyhee Gold Corp., through its 100% owned subsidiary, Tyhee NWT Corp., commissioned a feasibility study for its Yellowknife Gold Project located in the Northwest Territories, Canada.

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Cyanide Destruction
Dmitry Yermakov

The environmental impacts of mining operations are currently a major focus of attention.

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