Abstract
The composition of catering waste oil is similar to that of traditional materials for the preparation of fatty acid collectors, which makes it possible to change catering waste oil into fatty acid collector applied to ore flotation. The collectors which come from catering waste oil are detected by FTIR and GC-MS analyses. The FTIR date shows that collectors contains lively carboxyl functional groups and The GC-MS date reveals that those carboxyl functional groups exist in single unsaturated fatty acid and three unsaturated fatty acid. The collectors can be applied to iron ore reverse flotation, apatite flotation, and fluorite flotation. It has better flotation experiment results than the traditional collector that using in field production.
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