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题名: Refining of crude Li2CO3 via slurry phase dissolution using CO2
作者: Tao, Yi Wen;  Yan, Yan Chun;  Hua, Ma Pei;  Qiang, Li Fa;  Ming, Wen Man
刊名: SEPARATION AND PURIFICATION TECHNOLOGY
出版日期: 2007-09-15
卷号: 56, 期号:3, 页码:241-248
关键词: Li2CO3 ;  carbonation ;  gas-liquid-solid three phase reaction ;  kinetics ;  refining
文章类型: Article
中文摘要: 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.
英文摘要: 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.
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
关键词[WOS]: CARBONATION
收录类别: SCI
语种: 英语
WOS记录号: WOS:000249250900001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2281
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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作者单位: 1.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:
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,2007-09-15,56(3, 3):241-248.
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