High efficient Sr S isolation for preparing Sr(OH)(2) from celestite (SrSO4) in alkaline solution

doi:10.1007/s11771-019-3995-9

	High efficient Sr S isolation for preparing Sr(OH)(2) from celestite (SrSO4) in alkaline solution
	Chen Si-ming; Duan Dong-ping; Liu Yan; Zhou, E.; Han Hong-liang; Zou Xing-wu
	2019-01
发表期刊	JOURNAL OF CENTRAL SOUTH UNIVERSITY
ISSN	2095-2899
卷号	26 期号:1 页码:219-228
摘要	The bottleneck of strontium compounds preparing from celestite is the promotion of Sr/S isolation efficiency. Low energy consumption and zero release method for isolating Sr/S in preparing Sr(OH)(2) process from celestite in mild condition was described. Sr element remained in precipitation with formation of Sr(OH)(2), while S element entered into leachate with formation of Na2SO4. The effects of initial concentration of NaOH, conversion temperature, liquid-to-solid (L/S) ratio and conversion time on Sr/S ratio of samples for celestite conversion were systematically investigated by experiments. The results demonstrated that the efficiency of Sr/S isolation increased with the initial concentration of NaOH, L/S ratio and conversion time, and decreased with conversion temperature. The maximum conversion ratio of Sr(OH)(2) was 93.88% under the optimum condition, whose Sr/S ratio of sample could reach to 41.16. It illustrated that better isolation efficiency of celestite could be achieved in alkaline treatment. The results of SEM-EDS analyses demonstrated that the conversion reaction was a dissolution-precipitation process.
DOI	10.1007/s11771-019-3995-9
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/34049
专题	盐湖资源综合利用工程技术中心中国科学院青海盐湖研究所
推荐引用方式 GB/T 7714	Chen Si-ming,Duan Dong-ping,Liu Yan,et al. High efficient Sr S isolation for preparing Sr(OH)(2) from celestite (SrSO4) in alkaline solution[J]. JOURNAL OF CENTRAL SOUTH UNIVERSITY,2019,26(1):219-228.
APA	Chen Si-ming,Duan Dong-ping,Liu Yan,Zhou, E.,Han Hong-liang,&Zou Xing-wu.(2019).High efficient Sr S isolation for preparing Sr(OH)(2) from celestite (SrSO4) in alkaline solution.JOURNAL OF CENTRAL SOUTH UNIVERSITY,26(1),219-228.
MLA	Chen Si-ming,et al."High efficient Sr S isolation for preparing Sr(OH)(2) from celestite (SrSO4) in alkaline solution".JOURNAL OF CENTRAL SOUTH UNIVERSITY 26.1(2019):219-228.

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