Search results Search for: Search Refine your results by duration: Any Under 5 mins Under 20 mins Over 20 mins Sort by: Relevance Views Date Innovations in gold leaching and plant control Alan Dennis To obtain maximum returns from gold leaching, it is necessary to ensure tight control of a range of factors, including grind size, reagent addition, c... 2 years ago | 60 mins Refractory gold - latest developments in Biological Oxidation (BIOX) technology Craig Van Buuren & Alan Dennis Hear about a robust, easy-to-operate and sustainable technology for treatment of refractory gold concentrates. Plus we discuss latest developments in... 2 years ago | 61 mins