Technical Resources
Latest Additions
05 February 2025
UX7 spiral: Ultrafine processing made possible
In the platinum group metals (PGM) processing circuits, the run of mine ore is milled to fully liberate PGMs for efficie...
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20 August 2024
Low cut SX10 spiral and Optima classifier combination: Optimizing a fine coal processing circuit
Low cut SX10 spiral and Optima classifier combination: Optimizing a fine coal processing circuit
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20 August 2024
Eliminating sample preparation bias: The evolution of the rotating plate divider to overcome delineation errors
Eliminating sample preparation bias: The evolution of the rotating plate divider to overcome delineation errors
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20 August 2024
The case for using five-times particle nominal top size cutter width for dry material primary increment sampling at 0.6 ms cutter speed
The case for using five-times particle nominal top size cutter width for dry material primary increment sampling at 0.6...
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20 August 2024
Supplementing Bauxite ISO 8685:1992 with the more comprehensive iron ore ISO 3082:2017
Supplementing the Bauxite ISO 8685:1992 sampling standard with the more comprehensive iron ore ISO 3082:2017 standard
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20 August 2024
Case study: Capital equipment and operational price savings by using different lot size / period for ISO 3082 compliant iron ore sampling
Case study: Capital equipment and operational price savings by using different lot size / period for ISO 3082 compliant...
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06 June 2022
ISO 13909 Compliant Contractual Payment Station Coal Sampling Plant
ISO 13909 Compliant Contractual Payment Station Coal Sampling Plant
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03 June 2022
Cross Belt Sampler - Mechanical Design of the Worlds Largest Hammer Sampler For Bauxite Export Contractual Requirements
Cross Belt Sampler - Mechanical Design of the Worlds Largest Hammer Sampler For Bauxite Export Contractual Requirements
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13 May 2021
SAG Mill Trommel Screens
The SAG mill trommel screen provides a simple
mechanism to classify large volumes of mill
product.
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02 March 2021
Evaluating separation efficiencies of Multotec’s new SC25 spiral on coarse chromite
Spiral concentrators are widely applied to beneficiate commodities such as Cr2O3, mineral sands, and ferrochrome.
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01 March 2021
Spiral conditions for the recovery of ultra-fine particles
Spiral separators have been widely accepted as one of the most flexible gravity separation devices for several decades....
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19 November 2020
WASH WATER OPTIMIZATION ON AN IRON ORE SPIRAL
Gravity concentration remains the main separation method for fine iron ore and is used extensively for treating various...
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19 November 2020
THE EFFECT OF REPULPING ON THE SX7 SPIRAL
Spirals concentrators are widely used for beneficiation of fine coal typically the -1mm size fraction. The repulper and...
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19 November 2020
Optimisation of Wash Water on an Iron Ore Spiral to Improve Grade
Spiral concentrators are gravity based separation devices used for the preparation of coal, iron and heavy mineral ores...
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28 September 2020
Development of a high capacity, low cut spiral for the coal industry
Traditional coal spirals typically treat about 2.5 to 3.5 tons per hour (tph) feed solids per start, with a high relativ...
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28 September 2020
Dense Medium Separation Using a Magnetic Cyclone
It is a well-known fact that good quality coal is being depleted due to the high demand of this product. What is left is...
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28 September 2020
Fine chrome beneficiation and reverse PGM upgrade of existing slimes with vertical ring WHIMS technology
The main differences between a vertical and a horizontal ring WHIMS machine are
described. Four UG2 samples with P80=10...
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28 September 2020
Low Cut Point Spiral Separator
Spiral separators offer a number of advantages for fine coal beneficiation, including low operating and capital costs, o...
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04 September 2020
A CYCLONE FOR A REASON – Dense Medium Cyclone efficiency
The MULTOTEC dense medium cyclone has been successfully applied in, primarily, coal washing but also in hard rock benefi...
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04 September 2020
Desliming of fine coal - What is the correct cyclone?
This paper will highlight some of the pitfalls of selecting the correct desliming cyclone parameters and explain some of...
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