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摘要:
This study has been done to determine the galvanic interaction between five types of grinding media (mild steel, cast iron, 10% chromium, 20% chromium, and ceramic media) and galena, in situ of the mill. The ceramic media has a significantly not galvanic interaction with galena and high chromium media has a significantly weaker galvanic interaction with galena, and produces a very much lower amount of oxidize iron species in the mill discharge than mild steel medium. The investigation of the various reactions occurring on the galena surface was investigated by ethylene diamine-tetra acetic acid disodium salt (EDTA) extraction and X-ray photoelectron spectroscopy (XPS) measurements. The floatability of galena is dependent on the galvanic current between grinding media and galena during grinding because the current is relative to the amount of iron oxidation species and the reduction rate on galena. Iron oxidation species depressed galena flotation. The optimum galena flotation was achieved by selecting grinding conditions that enabled iron oxidation to be controlled.
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篇名 Studies of Grinding Media Corrosion from Galvanic Interaction on Galena Flotation
来源期刊 有色冶金(英文) 学科 医学
关键词 FLOTATION GALENA Galvanic INTERACTION GRINDING MEDIA
年,卷(期) 2014,(3) 所属期刊栏目
研究方向 页码范围 29-34
页数 6页 分类号 R73
字数 语种
DOI
五维指标
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研究主题发展历程
节点文献
FLOTATION
GALENA
Galvanic
INTERACTION
GRINDING
MEDIA
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
有色冶金(英文)
季刊
2168-2054
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
48
总下载数(次)
0
总被引数(次)
0
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