Novel hydroxy polyamine surfactant N-(2-hydroxyethyl)-N-dodecyl-ethanediamine: Its synthesis and flotation performance study to quartz

• Published in: Minerals engineering Vol. 142; p. 105894
• Main Authors: Liu, Wenbao, Liu, Wengang, Wang, Benying, Duan, Hao, Peng, Xiangyu, Chen, Xudong, Zhao, Qiang
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2019
• Subjects: Hematite; Hydroxy polyamine collector; Interaction mechanism; Quartz; Reverse flotation; Hematite; Interaction mechanism; Reverse flotation; Hydroxy polyamine collector; Quartz

•NHDE was designed, synthesized and innovatively used as the collector.•NHDE displayed superior flotation performances to quartz than DDA.•Quartz/hematite separation was achieved using NHDE under pH 4.5–9.5.•Existing of multiform hydrogen bond enhanced the performance of NHDE.•The adsorption model o...