Exploring the Behavior of Quartz-Glauconite-Phosphate Flotation System

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-05 DOI:10.1007/s42461-024-00973-9

O. M. Asem, A. A. El-Midany, M. F. Abadir, S. E. El-Mofty

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Abstract

Glauconite is a clay mineral that is most probably mined with phosphate and represents a challenge for phosphate upgrading by flotation. Reverse flotation is a common method for removing silica and silicate from siliceous phosphate. Thus, a systemic study was conducted to determine the effect of clay and its interactions with siliceous phosphate ore components on its cleaning by flotation. The flotation of each mineral (phosphate, quartz, and clay) was tested in terms of product recovery using quaternary amine at pH 9. In addition, the settling behavior of each mineral was investigated with and without quaternary amine. Binary and tertiary systems were studied to investigate the interactions between the main ore-containing minerals. The results of each mineral flotation test showed that quartz has the highest floatability, with low floatability of both phosphate and glauconite by quaternary amine. The presence of glauconite does not affect the phosphate recovery, whereas glauconite reduces the quartz floatability, which deteriorates the quartz removal from phosphate. Finally, the interaction mechanisms in the different systems are illustrated.

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探索石英-白云石-磷酸盐浮选系统的行为

芒硝是一种粘土矿物，很可能与磷酸盐一起开采，是浮选法提升磷酸盐的难题。反浮选是从硅质磷酸盐中去除二氧化硅和硅酸盐的常用方法。因此，我们进行了一项系统研究，以确定粘土及其与硅质磷矿成分的相互作用对浮选法净化磷矿的影响。在 pH 值为 9 的条件下，使用季胺测试了每种矿物（磷酸盐、石英和粘土）的浮选产品回收率。研究了二元和三元系统，以调查主要含矿矿物之间的相互作用。每种矿物的浮选试验结果表明，石英的可浮性最高，而磷酸盐和青金石在季胺作用下的可浮性较低。青金石的存在并不影响磷酸盐的回收，而青金石会降低石英的可浮性，从而恶化石英从磷酸盐中的去除效果。最后，说明了不同系统中的相互作用机制。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.