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Refining of crude Li2CO3 via slurry phase dissolution using CO2
Tao, Yi Wen; Yan, Yan Chun; Hua, Ma Pei; Qiang, Li Fa; Ming, Wen Man
2007-09-15
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
Volume56Issue:3Pages:241-248
SubtypeArticle
AbstractRefining of crude Li2CO3 produced from salt lake brines of Qinghai, China, by direct carbonation with CO2-water solutions under different conditions was studied. The process is based on the reaction of Li2CO3 with CO2-water solutions to convert the former to the more soluble lithium bicarbonate. The carbonation experiments were carried out in a three-phase mechanically agitated slurry-bed reactor. The parameters that may affect the dissolution of Li2CO3 in CO2-water solution such as CO2 pressure, temperature, CO2 flow rate, solid concentration, particle size of Li2CO3, slurry filling degree, agitator shape and agitation speed were investigated. The effects of immersion time of Li2CO3 in the slurry before carbonation as well as multiple carbonation cycles were also examined. Refining of crude Li2CO3 produced from salt lake brines of Qinghai, China, by direct carbonation with CO2-water solutions under different conditions was studied. The process is based on the reaction of Li2CO3 with CO2-water solutions to convert the former to the more soluble lithium bicarbonate. The carbonation experiments were carried out in a three-phase mechanically agitated slurry-bed reactor. The parameters that may affect the dissolution of Li2CO3 in CO2-water solution such as CO2 pressure, temperature, CO2 flow rate, solid concentration, particle size of Li2CO3, slurry filling degree, agitator shape and agitation speed were investigated. The effects of immersion time of Li2CO3 in the slurry before carbonation as well as multiple carbonation cycles were also examined.; Refining of crude Li2CO3 produced from salt lake brines of Qinghai, China, by direct carbonation with CO2-water solutions under different conditions was studied. The process is based on the reaction of Li2CO3 with CO2-water solutions to convert the former to the more soluble lithium bicarbonate. The carbonation experiments were carried out in a three-phase mechanically agitated slurry-bed reactor. The parameters that may affect the dissolution of Li2CO3 in CO2-water solution such as CO2 pressure, temperature, CO2 flow rate, solid concentration, particle size of Li2CO3, slurry filling degree, agitator shape and agitation speed were investigated. The effects of immersion time of Li2CO3 in the slurry before carbonation as well as multiple carbonation cycles were also examined.
KeywordLi2co3 Carbonation Gas-liquid-solid Three Phase Reaction Kinetics Refining
WOS HeadingsScience & Technology ; Technology
WOS KeywordCARBONATION
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000249250900001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/2281
Collection青海盐湖研究所知识仓储
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Tao, Yi Wen,Yan, Yan Chun,Hua, Ma Pei,et al. Refining of crude Li2CO3 via slurry phase dissolution using CO2[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2007,56(3):241-248.
APA Tao, Yi Wen,Yan, Yan Chun,Hua, Ma Pei,Qiang, Li Fa,&Ming, Wen Man.(2007).Refining of crude Li2CO3 via slurry phase dissolution using CO2.SEPARATION AND PURIFICATION TECHNOLOGY,56(3),241-248.
MLA Tao, Yi Wen,et al."Refining of crude Li2CO3 via slurry phase dissolution using CO2".SEPARATION AND PURIFICATION TECHNOLOGY 56.3(2007):241-248.
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