Understanding the Collective Effect of Dissolved Ions on the Surface Chemistry of Galena Flotation

IF 2.3 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
JOM Pub Date : 2025-07-18 DOI:10.1007/s11837-025-07579-6
Can Gungoren, Saleban Mohamed Muse, Mert Terzi, Mehmet Faruk Eskibalci, Ilgin Kursun, Orhan Ozdemir
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Abstract

This study aimed to investigate the collective effect of commonly found ions in galena flotation. For this purpose, contact angle, bubble–particle attachment time, zeta potential measurements, micro-flotation experiments, and dynamic froth stability analyses, were carried out using artificial plant waters (APWs) at various ion concentrations. As a result of the contact angle and bubble-particle attachment time measurements, the optimum KEX concentration was determined as 50 g/t. The zeta potential measurements, micro-flotation experiments, and DFS analyses in the presence of APWs showed that the zeta potential of galena became less negative in the presence of APWs at greater ion concentrations. The flotation recovery of galena (106 × 75 µm) in the absence of APW and BG increased from 12.1 to 45.9% in the presence of APW1. The DFS analyses indicated that considerably higher froth heights up to 7.7 mm can be obtained in the presence of APWs than in the presence of BG (6.6 mm), related to the ionic strength. The overall experimental results of this study indicated that dissolved ions helped the formation of stable bubbles in the pulp and froth phases, which improved the flotation recovery of galena.

了解溶解离子对方铅矿浮选表面化学的集体效应
本研究旨在探讨方铅矿浮选中常见离子的集体效应。为此,使用不同离子浓度的人工植物水(apw)进行了接触角、气泡-颗粒附着时间、zeta电位测量、微浮选实验和动态泡沫稳定性分析。通过对接触角和气泡-颗粒附着时间的测定,确定KEX的最佳浓度为50 g/t。在apw存在下的zeta电位测量、微浮选实验和DFS分析表明,在较大离子浓度的apw存在下,方铅矿的zeta电位变得不那么负。无APW和BG时方铅矿(106 × 75µm)的浮选回收率由有APW1时的12.1%提高到45.9%。DFS分析表明,与离子强度相关,APWs存在时泡沫高度可达7.7 mm,而BG存在时泡沫高度为6.6 mm。本研究的整体实验结果表明,溶解离子有助于矿浆相和泡沫相中形成稳定的气泡,从而提高方铅矿的浮选回收率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
JOM
JOM 工程技术-材料科学:综合
CiteScore
4.50
自引率
3.80%
发文量
540
审稿时长
2.8 months
期刊介绍: JOM is a technical journal devoted to exploring the many aspects of materials science and engineering. JOM reports scholarly work that explores the state-of-the-art processing, fabrication, design, and application of metals, ceramics, plastics, composites, and other materials. In pursuing this goal, JOM strives to balance the interests of the laboratory and the marketplace by reporting academic, industrial, and government-sponsored work from around the world.
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