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Browsing Research Articles (Materials Science and Metallurgical Engineering) by Author

Browsing Research Articles (Materials Science and Metallurgical Engineering) by Author "Sandenbergh, Roelf"

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Effect of aluminium on polarisation parameters and deposit characteristics in typical nickel sulfate electrolyte for electrowinning applications

Schoeman, Liezl; Nsiengani, Emmanuel Nsanda; Sole, Kathryn C.; Sandenbergh, Roelf (Elsevier, 2020-06)

Impurities present in the sulfate electrolyte during nickel electrodeposition influence the electrowinning process and morphology of deposited nickel metal in various ways. The presence of aluminium can be either detrimental ...
Effects of grinding environment on the flotation of Rosh Pinah complex Pb/Zn ore

Wei, Y.; Sandenbergh, Roelf (Elsevier, 2007-03)

The Rosh Pinah orebody is a complex lead–zinc sulphide system with pyrite gangue and minor amounts of copper. Laboratory scale milling and flotation testing of ore samples taken from this operation was performed. Different ...
Evaluation of the batch press as a laboratory tool to simulate medium-pressure roller crushers

Van Schoor, Jan Cornelius Rudolph; Sandenbergh, Roelf (Southern African Institute of Mining and Metallurgy, 2012-03)

In this study the applicability of a batch press to predict the energy consumption and particle size distributions for medium-pressure roller presses was investigated. The relationships between energy consumption, feed ...
Influence of temperature and pH on the quality of metastable iron phases produced in zinc-rich solutions

Claassen, Johann Ockert; Sandenbergh, Roelf (Elsevier, 2007-05)

The hydrolysis of ferric iron at elevated temperatures and pH values between 1.5 and 3.5 was characterized by determining the stability regions for schwertmannite, 6-line ferrihydrite and 2-line ferrihydrite, and linking ...

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Browsing Research Articles (Materials Science and Metallurgical Engineering) by Author "Sandenbergh, Roelf"

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