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author:

缪彦 (缪彦.) [1] | 马英强 (马英强.) [2] | 廖张妍 (廖张妍.) [3] | 印万忠 (印万忠.) [4]

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Abstract:

模拟生物堆浸工艺条件,在硫酸铁酸性介质体系下,针对浸出温度、氧化还原电位和pH进行铜蓝化学浸出动力学试验研究。结果表明,硫酸铁酸性浸出铜蓝符合典型的缩核模型,速率受表面化学反应控制,而非扩散控制,表观活化能48.94kJ/mol。铜蓝的浸出率与温度和氧化还原电位呈正相关,pH对铜蓝浸出的影响微弱。在初始Fe3+浓度9.2g/L、Fe2+浓度3.0g/L、初始pH=1.00±0.05、氧化还原电位恒定在(720±10)mV(vs.SHE)、40℃条件下浸出288h,铜蓝的浸出率达到42.17%。

Keyword:

动力学 化学浸出 蓝辉铜矿 铜蓝

Community:

  • [ 1 ] 福州大学紫金矿业学院,福州350116
  • [ 2 ] 福州外语外贸学院,福州350116

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Source :

有色金属:冶炼部分

ISSN: 1007-7545

Year: 2019

Issue: 2

Volume: 0

Page: 1-5

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 3

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