一种新型捕收剂对白铅矿和方解石与石英的捕收性能

Flotation Performance of A New Collector for Cerussite,Calcite and Quartz

合成具有螯合性能的新型捕收剂———-α(3-苯基硫脲基)烃基膦酸二苯酯,研究该系列化合物对白铅矿、方解石和石英的捕收能力以及结构和性能的关系,并考查焦性末食子酸的抑制作用。结果表明,α-(3-苯基硫脲基)烃基膦酸二苯酯对白铅矿的捕收能力强,而对方解石和石英的捕收能力弱。烃基碳链较长的α-(3-苯基硫脲基)烃基膦酸二苯酯具有较好的捕收能力。焦性末食子酸选择性抑制了方解石和石英。

A new collector with chelate-ability, diphenyl α- （3-phenylthioureido） alkanephosphonate, is synthesized, and the collecting performance for cerussite, calcite and quartz, and the relationship between property and structure are investigated, and the depressor function of pyrogallic acid are also studied. The results indicate that the collecting ability of diphenyl α-（3-phenylthioureido） alkanephosphonate for cerussite is stronger than that for calcite and quartz. The longer the hydrocarbon radical in the diphenyl α-（3-phenylthioureido） alkanephosphonates, the more effective as the collector. For flotation of the cerussite, the pyrogallic acid can selectively depressed the calcite and quartz.