Abstract
Organic phosphorous compounds recently have received more attention because of the stronger affinity towards metals and metal oxides. In the present study, tributyltetradecylphosphonium chloride (TTPC), a quaternary phosphonium salt (cationic type), was introduced and evaluated in the system of bauxite reverse flotation. Although there were some limitations in the preliminary tests, the results still showed that TTPC exhibited superiority in bauxite reverse flotation to dodecyl trimethyl ammonium chloride. Quaternary phosphonium salts might have the promising application values in chemical engineering areas where quaternary ammonium salts were extensively applied.
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