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Dissolution kinetics of malachite in sulphuric acid
(ELSEVIER SCIENCE BV, 2004)
A kinetic study of the sulphuric acid leaching of oxidised copper ore, primarily malachite, was carried out. The effects of leaching time, stirring speed, acid concentration, solid to liquid ratio, reaction temperature, ...
Dissolution kinetics of malachite in ammonia/ammonium carbonate leaching
(ELSEVIER SCIENCE BV, 2005)
The leaching of oxide copper ore containing malachite, which is the unique copper mineral in the ore, by aqueous ammonia solution has been studied. The effect of leaching time, ammonium hydroxide, and ammonium carbonate ...