29/02/2016· Roughing can be considered as the upgrading of the ore to produce either a low grade, preliminary concentrate or to reject tails that contain gangue at an early stage. The equipment used in this part can produce a large amount of concentrate and permit the recovery of a very high percentage of gold, produce clean tails or a combination of both.
Gold refining. Low grade materials such as gold ores may be first mixed with fluxes, coke, lead oxide , as well as iron, pyrites, and slag from other processes. This is fire refined in a blast furnace, with oxygen enriched air blown in from the base of the furnace.
06/05/2016· For the low grade and medium grade ores, containing 18 to 22% P2O5, generally a coarse waste product can be produced and rejected. Treatment of the high grade ores containing about 28% P2O5 will generally result in the production of a coarse phosphate product. This is in addition to production of granular fines as an acceptable phosphate and a slime waste
June 10, 2020
Copyright © 2020.Company name All rights reserved.