Abstract
Abstract In this contribution, the breakage and wettability properties of calcite and barite minerals were presented and some correlations were established between these experimentally determined parameters. The γ c relates to S i by a relationship: γ c =−4.94 S i +32.5 (calcite) and γ c =−5.70 S i +36.1 (barite), where γ c is the critical surface tension of wetting of mineral determined by flotation technique and S i is the specific rate of breakage of mineral obtained from grinding tests. Another relationship found is expressed by: m f =4.20 S i +5.30 (calcite) and m f =7.96 S i +6.71 (barite), where m f in to slope of the flotation recovery curve. These relationships will help us to predict the wettability behavior of solids in surface chemistry related processes, by knowing the breakage parameter S i previously from any grinding tests.
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