8.4.1.1 Optimization of bioleaching conditions
Since optimal leaching approach is specific to chemical and mineralogical composition of the
material subjected to the process, there are numbers of factors working in parallel which
remain to be evaluated and optimized for bioleaching of metals from Cu-slags. The following
targeted parameters are worthwhile trying: particle size, liquid to solid ratio (pulp density),
type of microorganism, growth medium composition (nutrient supply) and temperature.
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