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The extraction of potassium from K-feldspar ore by low temperature molten salt method
Wang, Zhao1,2,3; Zhang, Quanyou1,2; Yao, Ying1,2; Jia, Yongzhong1,2; Xie, Bingjun4
2018-04-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
Volume26Issue:4Pages:845-851
SubtypeArticle
AbstractThe low temperature molten salt method was used to extract potassium from K-feldspar ore, and some related factors including mass ratio between NaNO3, NaOH, H2O and K-feldspar ore, particle size of K-feldspar ore, reaction temperature and time were investigated, respectively. In addition, the optimum condition for this method was determined by a series of condition experiments. What was more, the K-feldspar ore and the leach residue after reaction based on the above optimum condition were analyzed by XRD, SEM and EDS, separately. The results of which indicated that the mechanism of extraction of potassium for this method was according to the ion exchange reaction between sodium ion and potassium ion, and the extraction ratio of potassium had an obvious improvement than that of traditional methods, which could reach up to 96.25%. Therefore, this method can be a feasible solution to extract potassium from K-feldspar ore for its low energy consumption and high efficiency. (C) 2017 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
KeywordLaw Temperature Molten Salt K-feldspar Mechanism Extraction Ratio
WOS HeadingsScience & Technology ; Technology
WOS KeywordROUTE ; YIELD
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000432719100022
PublisherCHEMICAL INDUSTRY PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6709
Collection中国科学院青海盐湖研究所
Corresponding AuthorZhang, Quanyou
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China
2.Qinghai Engn & Technol Res Ctr Comprehens Utiliza, Xining 810008, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Mangya Xingyuan Potash Corp Ltd, Haixi 817500, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zhao,Zhang, Quanyou,Yao, Ying,et al. The extraction of potassium from K-feldspar ore by low temperature molten salt method[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2018,26(4):845-851.
APA Wang, Zhao,Zhang, Quanyou,Yao, Ying,Jia, Yongzhong,&Xie, Bingjun.(2018).The extraction of potassium from K-feldspar ore by low temperature molten salt method.CHINESE JOURNAL OF CHEMICAL ENGINEERING,26(4),845-851.
MLA Wang, Zhao,et al."The extraction of potassium from K-feldspar ore by low temperature molten salt method".CHINESE JOURNAL OF CHEMICAL ENGINEERING 26.4(2018):845-851.
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