Influence of hexylamine on kinetics of flotation and bubble attachment to the quartz surface

被引：14
|
作者：
Kowalczuk, Przemyslaw B. [1 ]
Zawala, Jan [2 ]
Drzymala, Jan [1 ]
Malysa, Kazimierz [2 ]
机构：
[1] Wroclaw Univ Technol, Fac Geoengn Min & Geol, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland
[2] Polish Acad Sci, Jerzy Haber Inst Catalysis & Surface Chem, Krakow, Poland
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2016年 / 51卷 / 15-16期
关键词：
Flotation; bubble attachment; three-phase contact formation; quartz; hexylamine; 3-PHASE CONTACT FORMATION; MECHANISM; AMINE; ADSORPTION; SYSTEM; CHAIN;
D O I：
10.1080/01496395.2016.1172640
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work flotation and single bubble tests were conducted with high purity quartz in water and hexylamine solutions at different pHs. It was found that flotation kinetics and time of the three-phase contact (TPC) formation (t(TPC)) at the quartz surface by the colliding bubble were affected by the hexylamine concentration and the solution pH. The TPC of the quartz/air bubble/hexylamine system was formed within the pH range 4-12. A strong relationship between the t(TPC) and flotation kinetics expressed as an inverse of the first-order rate constant (1/k) was obtained. The t(TPC) and 1/k values were the shortest within similar pH range.
引用
收藏
页码：2681 / 2690
页数：10
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