201411 · Chalcopyrite is the most abundant copper sulfide, the most recalcitrant to hydrometallurgical processing, and a good semiconductor with a wide variation in resistivity. The reactivity of ...
view more2020610 · Silver ion can be useful in improving chalcopyrite bioleaching efficiency. In this work, leaching kinetics of this process was investigated using silver-bearing solid waste under different chalcopyrite/solid waste ratios. Bioleaching behavior indicates that silver-bearing solid waste can enhance the bioleaching process, and the redox potential is …
view more202198 · The mineral composition of copper ores delivered to the processing plant (producing 65 000 t per day) in the Santo Domingo project (Chile) [ 8] includes pyrite, chalcopyrite, bornite, covellite, chalcocite, quartz, carbonates, plagioclases, and aluminosilicate clays.
view moreChalcopyrite is an important ore of copper found in a wide range of hydrothermal environments. It is often associated with sphalerite and galena. It oxidizes to form copper minerals such as malachite, azurite, cuprite and tenorite. Copper liberated from the breakdown of chalcopyrite may accumulate in secondary supergene enrichment zones, …
view more202474 · Chalcopyrite. 2. Sulfures, incluant séléniures et tellurures. Unités du SI & CNTP, sauf indication contraire. La chalcopyrite est une espèce minérale composée de sulfure double (35 % massique), de cuivre (34,5 %) et de fer (30,5 %), de formule CuFeS 2. Avec des traces de Ag;Au;In;Tl;Se;Te.
view more2021819 · Most copper minerals are found as sulfides, with chalcopyrite being the most abundant. However; this ore is refractory to conventional hydrometallurgical methods, so it has been historically exploited through froth flotation, followed by smelting operations. This implies that the processing involves polluting activities, either by the formation of …
view moreThe copper (II) ions in the chalcopyrite are reduced to copper (I) sulfide (which is reduced further to copper metal in the final stage). The iron in the chalcopyrite ends up converted into an iron (II) silicate slag which is removed. Most of the sulfur in the chalcopyrite turns into sulfur dioxide gas. This is used to make sulfuric acid via the Contact Process.
view more2021318 · Samples and reagents Pure mineral sample of chalcopyrite was obtained from Lijiang, Yunnan Province, talc and serpentine were obtained from Shijiazhuang, Hebei Province.
view more2011101 · The development of modern mineralogical and mineral processing equipment and methodology has contributed in great measure to an overall ability to correctly assess the processing needs of an orebody.
view moreBased on over 30 years' experiences in design, production and service of crushing and s
GET QUOTE