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Leaching Ni and Co from Saprolitic Laterite Ore by Employing Atmospheric Acid Leaching Solution with High Concentration of FeCl3 at Mild Conditions
Zhang, Peiyu1; Qiang, Guo2; Qu, Jingkui2; Tao, Qi2
2020
Source PublicationRUSSIAN JOURNAL OF NON-FERROUS METALS
ISSN1067-8212
Volume61Issue:1Pages:42-48
AbstractLimonitic and saprolitic laterite ores are used to produce Ni by employing different kinds of processes. Acid leaching is an energy-saving process for pure Ni metal production. The high concentration of Fe in atmospheric acid leaching solution caused difficulties in metal-ions separation. In this work, saprolitic laterite ore was leached by atmospheric acid leaching solution of limonitic laterite ore at moderate temperatures. Conditions affecting the leaching of valuable metals and the conversion ratio of Fe were investigated. The results showed that optimal output was obtained after 1.5 h of leaching at 150 degrees C with 1.0 liquid/solid ratio (volume/weight). X-ray diffraction analysis and mineral liberation analysis indicate that some nickel was adsorbed by leached residues, resulting in the loss of nickel. The physiochemical properties of leached residues could be changed due to the presence of Al and Cr. The decrease in zeta potential and the increase in specific surface area resulted in the increase of Ni adsorption.
Keywordlaterite ore leaching-hydrolysis coupling reactions Ni selective leaching
DOI10.3103/S1067821220010113
Language英语
WOS KeywordPHASE-TRANSFORMATION ; REMOVAL ; METALS ; NICKEL ; WATER
Funding ProjectNational Natural Science Foundation of China[51704175] ; Fundamental Research Funds of Shandong University[2016GN011] ; National Science Foundation for Distinguished Young Scholars of China[51125018]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds of Shandong University ; National Science Foundation for Distinguished Young Scholars of China
WOS IDWOS:000522169100005
PublisherPLEIADES PUBLISHING INC
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39920
Collection中国科学院过程工程研究所
Corresponding AuthorQiang, Guo
Affiliation1.Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Peiyu,Qiang, Guo,Qu, Jingkui,et al. Leaching Ni and Co from Saprolitic Laterite Ore by Employing Atmospheric Acid Leaching Solution with High Concentration of FeCl3 at Mild Conditions[J]. RUSSIAN JOURNAL OF NON-FERROUS METALS,2020,61(1):42-48.
APA Zhang, Peiyu,Qiang, Guo,Qu, Jingkui,&Tao, Qi.(2020).Leaching Ni and Co from Saprolitic Laterite Ore by Employing Atmospheric Acid Leaching Solution with High Concentration of FeCl3 at Mild Conditions.RUSSIAN JOURNAL OF NON-FERROUS METALS,61(1),42-48.
MLA Zhang, Peiyu,et al."Leaching Ni and Co from Saprolitic Laterite Ore by Employing Atmospheric Acid Leaching Solution with High Concentration of FeCl3 at Mild Conditions".RUSSIAN JOURNAL OF NON-FERROUS METALS 61.1(2020):42-48.
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