Adsorption behavior and mechanism of an ether amine collector on collophane and quartz

被引：13

作者：

Fang, Ji ^{[1
]}

Ge, Yingyong ^{[1
,2
]}

Yu, Jun ^{[3
]}

机构：

[1] Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Hubei, Peoples R China

[2] Hubei Key Lab Mineral Resources Proc & Environm, Wuhan 430070, Hubei, Peoples R China

[3] China BlueStar Changsha Design & Res Inst, Changsha 410016, Hunan, Peoples R China

来源：

PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING | 2019年 / 55卷 / 01期

基金：

中国国家自然科学基金;

关键词：

adsorption; collophane; collector; ether amine surfactant; flotation; HYDROXAMIC ACID; FLOTATION; SEPARATION; DOLOMITE; APATITE;

D O I：

10.5277/ppmp18132

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The adsorption behaviors of an ether amine surfactant, N1-(3-((8-methyl-nonyl)oxy)propyl)propane-1,3-diamine, on collophane and quartz were studied. Batch adsorption experiments were conducted to characterize the thermodynamic behavior of the adsorption process and to calculate the maximum adsorption. Results demonstrated that the adsorption of the ether amine on quartz was greater than collophane. Adsorption mechanisms were studied by means of contact angle measurement, zeta potential measurement, FT-IR analysis, and X-ray photoelectron spectroscopy. The results showed that the adsorption of the ether amine surfactant on quartz surface was easier and more efficient than collophane. Micro-flotation tests testified that the collector can efficiently separate collophane from quartz at room temperature in neutral medium.

引用

页码：301 / 310

页数：10

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