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Browsing by Author "Van Hille, Robert P"

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Analysis of the microbial community associated with a bioprocess system for bioremediation of thiocyanate- and cyanide-laden mine water effluents

Author: Huddy, Rob ; Kantor, Rose ; Van Zyl, Wynand ; Van Hille, Robert P ; Banfield, Jill ; Harrison, Susan T L Date: Nov 2015 Gold extraction by cyanidation from refractory gold ores results in the formation of thiocyanate- and cyanide-contaminated wastewater effluents that must be treated before recycle or discard. Activated sludge processes, such as ASTER™, can ... Read more
Characterisation of the Complex Microbial Community Associated with the ASTER™ Thiocyanate Biodegradation System

Author: Huddy, Robert J ; Van Zyl, A Wynand ; Van Hille, Robert P ; Harrison, Susan TL Date: 15 May 2015 The ASTER™ process is used to bioremediate cyanide- (CN-) and thiocyanate- (SCN-) 13 containing waste water. This aerobic process is able to reduce the CN- and SCN14 concentrations to below 1 mg/L efficiently in a continuous system, ... Read more c b n d
Effect of culture conditions on the competitive interaction between lactate oxidizers and fermenters in a biological sulfate reduction system

Author: Oyekola, Oluwaseun O ; Harrison, Susan T L ; Van Hille, Robert P Date: 2012 Kinetic constants (lmax and Ks) describing the predominance of lactate oxidation and fermentation were determined in chemostat cultures. The kinetics of sulfate reduction and lactate utilization were determined from 0.5 to 5 d residence times ... Read more
The effect of different types of seeds on the oxidation and precipitation of iron.

Author: Hove, Mfandaidza ; Lewis, Alison E ; Van Hille, Robert P Date: 2009 The use of different types of seeding material to cause the layer deposition of desired iron phases is an attractive technique for the treatment of industrial waste waters, synthesis of iron products and the study of adsorption and dissolution ... Read more
Investigation of microbial metal-sulfide interfacial environments under mineral bioleach simulated conditions

Author: Africa, Cindy-Jade Date: 2017 This research pertains to bioleaching of copper containing ores with particular reference to the copper sulfide mineral chalcopyrite (CuFeS2). While it is focused on heap bioleaching, it has applications to stirred tank bioleaching operations. ... Read more

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Browsing by Author "Van Hille, Robert P"

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