earthplatform.com

refractory ores

Environment Search Engine    

Results 1 - 5 from 5 for refractory ores in 1.892 sec.


BIOMINET Proceedings : Mining Effluent Technologies
The potential of thermophilic bacteria in the pretreatment of refractory gold ores (R.W. Lawrence) Bacterial and chemical leaching of complex sulphide ores (V. Sanmugasunderam et. al.) Metal Recovery and ... 1993 The application of stirred-tank bioleaching for the enhancement of gold recovery from refractory ores and concentrates (R.W. Lawrence) The need for T. ferrooxidans strain selection in ...
www.nrcan.gc.ca


Newmont Gold Company Gold Mine Mining Technology
Refractory ore with a carbonaceous content is treated in the bio facility or by ammonium thiosulphate leaching. The Winnemucca operations use autoclaves to pre-treat refractory ores. At ... Leach operations: Carlin-oxide, Carlin-refractory; Twin Creeks and Lone Tree oxide Although Newmont processes several ore types, the proportion of gold recovered from refractory ores rose from 30% in 1996 ...
www.mining-technology.com


Uranium Ore Minerals
The refractory primary uranium minerals are also found in placers. The primary uranium minerals are generally ... primary mineralization and those of unknown origin. It is an important constituent of the oxidized ores at Urgeirica, Portugal, and at Marysvale, Utah, and the most prominent mineral in the ...
dangerouslaboratories.org


Hafnium (Hf) - Chemical properties, Health and Environmental effects
Hafnium in the enviroment Hafnium ores are rare, but two are known: hafnon ...
lenntech.com


Specialized Services - Metallurgical Processing at CANMET-MMSL
For more information, please contact us. Gold ores: Improving the cyanidation of sulphide-bearing gold ores The processing of sulphide-bearing gold ores is common in Canada. The presence of ... and product applications in such areas as industrial waste by-products, engineering ceramics and refractory materials. It manages projects from conceptual development to industrial implementation. The major R& ...
www.nrcan.gc.ca