烷基二甲基甜菜碱激活油酸钠对白钨矿的低温收集能力

IF 5.6 2区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY International Journal of Minerals, Metallurgy, and Materials Pub Date : 2024-01-26 DOI:10.1007/s12613-023-2718-2
Xu Wang, Zhengquan Zhang, Yanfang Cui, Wei Li, Congren Yang, Hao Song, Wenqing Qin, Fen Jiao
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引用次数: 0

摘要

利用不同规模的浮选试验评估了烷基二甲基甜菜碱(ADB)在低温下对油酸钠(NaOl)收集能力的影响。通过红外光谱、X 射线光电子能谱、表面张力测量、泡沫性能测试和浮选试剂粒度测量,探讨了 ADB 和 NaOl 的低温协同作用机理。浮选试验表明,与十八烷基二甲基甜菜碱(ODB)和 NaOl 按 4:96 的质量比混合的捕收剂具有最高的捕收能力。在 8-12°C 的低温条件下,混合捕收剂可将白钨矿的回收率提高 3.48%。这对中国白钨矿精矿产量最大的栾川地区尤为重要。结果证实,ODB 通过改善 NaOl 的分散和发泡性能,提高了 NaOl 的收集能力。甜菜碱可作为 NaOl 的添加剂,提高白钨矿在低温下的回收率。
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Alkyl dimethyl betaine activates the low-temperature collection capacity of sodium oleate for scheelite

The impact of alkyl dimethyl betaine (ADB) on the collection capacity of sodium oleate (NaOl) at low temperatures was evaluated using flotation tests at various scales. The low-temperature synergistic mechanism of ADB and NaOl was explored by infrared spectroscopy, X-ray photoelectron spectroscopy, surface tension measurement, foam performance test, and flotation reagent size measurement. The flotation tests revealed that the collector mixed with octadecyl dimethyl betaine (ODB) and NaOl in a mass ratio of 4:96 exhibited the highest collection capacity. The combined collector could increase the scheelite recovery by 3.48% at low temperatures of 8–12°C. This is particularly relevant in the Luanchuan area, which has the largest scheelite concentrate output in China. The results confirmed that ODB enhanced the collection capability of NaOl by improving the dispersion and foaming performance. Betaine can be introduced as an additive to NaOl to improve the recovery of scheelite at low temperatures.

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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.
期刊最新文献
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