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This study established an industry-applicable, thermal decomposition methodology for metrology of carbonate mineral acid neutralisation capacity for waste rock, tailings, and various other extracted materials. C exhaust was determined using IR in a N2 environment. Cneut was determined utilizing the C discharge at 800 or 1000 ° C minus the C emission at 400, 450 or 500 ° C and the weight of sample prior to decomposition. Excellent connection of ANCtherm-carb for single-mineral carbonates with ANCcalc, calculated from mass assay concentrations for Mg, K, Na, Ca, and Mn, was achieved. Afterwards, 18 waste rock examples were checked out, leading to the relationship of Non-standard versus anctherm-carb ANCtitrate-carb with R2 = 0. 96. This correlation stands for examples having both non-neutralising carbonates and resources of neutralisation developing from non-carbonates within this waste rock system. Commonly, mining operations utilize complete C dimensions for analysis of carbonate neutralisation capacity in the block and mining version.
Source link: https://doi.org/10.3390/min11111181
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