In this work, 2-decanoylamino-pentanedioic acid (DPA), a novel dendritic surfactant, was designed, synthesized, and exploited as a collector for the flotation of ilmenite. The experimental froth flotation results illustrated that DPA had a superior collecting activity, adsorbed better on the ilmenite surface than oleic acid, and could effectively recover ilmenite from titanomagnetite at a pH of approximately 7. DPA’s unique properties, including two hydrophobic groups and three hydrophilic groups, allowed it to coat the ilmenite surface, rendering it a superior collector.

中文翻译：

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树枝状表面活性剂2-癸酰基氨基戊二酸对钛铁矿的泡沫浮选

在这项工作中，一种新型的树枝状表面活性剂2-癸酰基氨基-戊二酸（DPA）被设计，合成并被用作钛铁矿浮选的捕收剂。实验泡沫浮选结果表明，DPA具有比油酸更好的收集活性，在钛铁矿表面上的吸附更好，并且可以在大约7的pH值下有效地从钛磁铁矿中回收钛铁矿。DPA的独特特性，包括两个疏水基团和三个亲水基团，使其能够覆盖钛铁矿表面，使其成为出色的集电体。