Cross-Comparison of Leaching Strains Isolated from Two Different Regions: Chambishi and Dexing Copper Mines

Table 2

Copper mineral compositions (% wt/wt) of leaching residues of the Chambishi mineral sample after 30 days of bioleaching using X-ray diffraction (XRD).

Copper compounds	Systems
	FOX1	BN	ZMB	ZC	YTW	YTW315	A02	DC	Control
Free copper oxide	0.01	0.014	0.034	0.003	0.012	0.016	0.035	0.007	0.035
Combined copper oxide	0.012	0.013	0.013	0.009	0.012	0.013	0.014	0.012	0.013
Secondary copper sulfide	0.011	0.012	0.018	0.006	0.013	0.015	0.017	0.011	0.022
Primary copper sulfide	0.007	0.007	0.008	0.006	0.007	0.007	0.009	0.005	0.009
Total copper	0.04	0.046	0.073	0.024	0.044	0.051	0.075	0.035	0.079