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Because of the help of ELMSS and ELMPS, the results of this area functions may be predicted before machining as well as the proper process variables could be selected in advance.To reveal how CaF2 improves the dissolution ratios of aluminum and iron ions in coal gangue, CaF2 and hydrochloric acid are used to draw out Al3+ and Fe3+ through the coal gangue calcined powder. The leaching ratios of Al3+ and Fe3+ tend to be calculated, in addition to filter residues are examined by BET, XRD, an
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