Advances in depressants for flotation separation of Cu-Fe sulfide minerals at low alkalinity: A critical review

IF 5.6 2区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY International Journal of Minerals, Metallurgy, and Materials Pub Date : 2024-01-01 DOI:10.1007/s12613-023-2709-3
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Abstract

The flotation separation of Cu-Fe sulfide minerals at low alkalinity can be achieved using selective depressants. In the flotation system of Cu-Fe sulfide minerals, depressants usually preferentially interact with the pyrite surface to render the mineral surface hydrophilic and hinder the adsorption of the collector. This review summarizes the advances in depressants for the flotation separation of Cu-Fe sulfide minerals at low alkalinity. These advances include use of inorganic depressants (oxidants and sulfur-oxygen compounds), natural polysaccharides (starch, dextrin, konjac glucomannan, and galactomannan), modified polymers (carboxymethyl cellulose, polyacrylamide, lignosulfonate, and tricarboxylate sodium starch), organic acids (polyglutamic acid, sodium humate, tannic acid, pyrogallic acid, salicylic acid, and lactic acid), sodium dimethyl dithiocarbamate, and diethylenetriamine. The potential application of specific inorganic and organic depressants in the flotation separation of Cu-Fe sulfide minerals at low alkalinity is reviewed. The advances in the use of organic depressants with respect to the flotation separation of Cu-Fe sulfide minerals are comprehensively detailed. Additionally, the depression performances and mechanisms of different types of organic depressants on mineral surfaces are summarized. Finally, several perspectives on depressants vis-à-vis flotation separation of Cu-Fe sulfide minerals at low alkalinity are proposed.

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用于在低碱度条件下浮选分离铜-铁硫化物矿物的抑制剂的进展:重要综述
摘要 在低碱度条件下,使用选择性抑制剂可实现硫化铜矿物的浮选分离。在硫化铜-铁矿物的浮选系统中,抑制剂通常优先与黄铁矿表面作用,使矿物表面亲水,阻碍捕收剂的吸附。本综述总结了在低碱度条件下用于浮选分离铜铁硫化物矿物的抑制剂方面取得的进展。这些进展包括使用无机抑制剂(氧化剂和硫氧化合物)、天然多糖(淀粉、糊精、魔芋葡甘露聚糖和半乳甘露聚糖)、改性聚合物(羧甲基纤维素、聚丙烯酰胺、木质素磺酸盐和木糖醇)、木质素磺酸盐和三羧酸钠淀粉)、有机酸(聚谷氨酸、腐植酸钠、单宁酸、焦谷氨酸、水杨酸和乳酸)、二甲基二硫代氨基甲酸钠和二乙烯三胺。综述了特定无机和有机抑制剂在低碱度条件下浮选分离铜铁硫化物矿物中的潜在应用。全面详述了有机抑制剂在浮选分离铜铁硫化物矿物方面的应用进展。此外,还总结了不同类型的有机抑制剂在矿物表面的抑制性能和机制。最后,对抑制剂在低碱度条件下浮选分离铜铁硫化物矿物提出了几点展望。
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来源期刊
CiteScore
9.30
自引率
16.70%
发文量
205
审稿时长
2 months
期刊介绍: International Journal of Minerals, Metallurgy and Materials (Formerly known as Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material) provides an international medium for the publication of theoretical and experimental studies related to the fields of Minerals, Metallurgy and Materials. Papers dealing with minerals processing, mining, mine safety, environmental pollution and protection of mines, process metallurgy, metallurgical physical chemistry, structure and physical properties of materials, corrosion and resistance of materials, are viewed as suitable for publication.
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