Low-pH mediated goethite precipitation and nickel loss in nickel hydrometallurgy
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- 作者：Tong Yue ; Haisheng Han ; Wei Sun ; sunmenghu@csu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yuehua Hu ; Pan Chen ; chenpan_0618@163.com" class="auth_mail" title="E-mail the corresponding author ; Runqing Liu
- 关键词：Hydrometallurgical process ; Iron removal ; Goethite precipitate ; Nickel loss
- 刊名：Hydrometallurgy
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：165
- 期：part_P2
- 页码：238-243
- 全文大小：1134 K
文摘
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The goethite particles tend to aggregate at lower crystallinity.
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The filterability of goethite precipitates is better at lower pH level.
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The nickel lost in iron precipitates is mainly included into the lattices and adsorbed on the surface of goethite particles.
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The nickel loss in goethite lattices sharply increases as pH increases.
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The nickel adsorption loss is determined by the specific surface area of goethite precipitation.