泡沫浮选法富集阿尔及利亚高岭土

Q3 Engineering
M. Laraba
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引用次数: 0

摘要

本研究的目的是研究利用泡沫浮选法从阿尔及利亚东部地区的阿尔及利亚高岭土矿石(Tamazert高岭土,TK)中去除着色杂质。XRF、SEM和XRD表征结果表明,该局部材料为含高岭石的铝硅酸盐,并含有Fe2O3 (>2.7%(重量比)和二氧化钛(0.28%重量比),它们有助于其着色。经过均质、破碎、磨矿后,对TK进行了多次泡沫浮选试验。结果表明,塔玛泽特高岭土在泡沫浮选中表现出良好的性能,以改善其性能。结果表明,泡沫浮选可以有效地处理所有馏分,20 ~ 40 μm的精矿质量收率(重量回收率)为79.84%。结果表明,Tamazert高岭土中主要着色剂铁和钛在20 ~ 40 μm分数中Fe2O3的质量分数从2.7%降至0.08%,TiO2的质量分数从0.28%降至0.04%。浮选过程中显着减少了着色杂质(Fe2O3和TiO2),证实了铁以游离状态存在于Tamazert高岭土中。最终可以证实,泡沫浮选工艺可以通过去除Fe2O3和TiO2来提高Tamazert高岭土矿石的质量,效果满意,符合当地企业的要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enrichment of Algerian kaolin using froth flotation method
The objective of this research is to study the removal of coloring impurities from Algerian kaolin ore (Tamazert kaolin, TK) located in the eastern region of Algeria, utilizing froth flotation process. The results obtained from XRF, SEM, and XRD characterization demonstrate that this local material is an alumino-silicate containing kaolinite, along with impurities such as Fe2O3 (> 2.7 % by weight) and TiO2 (0.28 % by weight) which contribute to its coloring. After homogenization, crushing and milling, several froth flotation tests were conducted on TK. The results revealed that Tamazert kaolin exhibits favorable performance with froth flotation, in order to improve its properties. Based on the results obtained, it can be concluded that all fractions can be treated effectively using froth flotation with an optimal mass yield (weight recovery) of 79.84 % in concentrate for the fraction of 20–40 μm. Iron and titanium, the main coloring impurities in Tamazert kaolin, were reduced from 2.7 % to 0.08 % by weight for Fe2O3 in the fraction 20-40 μm, and from 0.28 % to 0.04 % by weight for TiO2 in the same fraction, as determined by the optimum test. The significant reduction in coloring impurities (Fe2O3 and TiO2) achieved through the flotation process confirms that iron is present in a free state in Tamazert kaolin. It can be ultimately confirmed that the froth flotation process can be a potentially effective process to improve the quality of Tamazert kaolin ore by removing Fe2O3 and TiO2 with satisfactory results which meet the requirements of local companies.
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来源期刊
Gornye nauki i tekhnologii
Gornye nauki i tekhnologii Chemical Engineering-Process Chemistry and Technology
CiteScore
3.00
自引率
0.00%
发文量
22
审稿时长
15 weeks
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