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Research on boron recovery from sulfate-type saline lakes with a novel dilution method
Peng, Jiaoyu1,2; Bian, Shaoju1,3; Zhang, Bo1,2; Dong, Yaping1,2; Li, Wu1,3
2017-12-01
发表期刊HYDROMETALLURGY
卷号174页码:47-55
文章类型Article
摘要A novel dilution method was developed to extract boron from sulfate-type salt lake brine in the Qinghai Tibet plateau. The boron-concentrated brine was prepared by evaporation after magnesium removal using Na(2)SO(4 center dot)10H(2)O solid. The extraction process parameters such as boron concentration, dilution ratio, temperature, initial precipitation time, aging time, and extraction efficiency of boron were tested. The results showed that the solution pH after dilution with deionized water increased from 4.2 to 8.0, indicating dissociation of polyborate ions in brine by hydrolysis to give monoborate species and hydroxide ions. The initial precipitation time and aging time were observed to be strongly influenced by the boron concentration, dilution ratio, and temperature. A low temperature, high boron concentration and moderate mass dilution ratio (water/brine) were beneficial to boron extraction, allowing for an extraction efficiency of more than 80%. The only salts that precipitated from diluted brine were magnesium borates. The obtained results indicated the application potential of the novel technology of boron extraction from salt lake brine.
关键词Boron Extraction Sulfate-type Salt Lake Dilution Method Magnesium Borates
WOS标题词Science & Technology ; Technology
关键词[WOS]MAGNESIUM BORATE ; RAMAN-SPECTROSCOPY ; CRYSTAL-STRUCTURE ; BORIC-ACID ; POLYBORATE ; EQUILIBRIUM ; POLYANIONS ; ADSORPTION ; IONS
收录类别SCI
语种英语
WOS研究方向Metallurgy & Metallurgical Engineering
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000416195200006
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6370
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
盐湖资源与化学实验室
作者单位1.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, Lake Resources, Xining 810008, Qinghai, Peoples R China
3.Key Lab Salt Lake Resources Chem Qinghai Prov, Xining 810008, Qinghai, Peoples R China
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GB/T 7714
Peng, Jiaoyu,Bian, Shaoju,Zhang, Bo,et al. Research on boron recovery from sulfate-type saline lakes with a novel dilution method[J]. HYDROMETALLURGY,2017,174:47-55.
APA Peng, Jiaoyu,Bian, Shaoju,Zhang, Bo,Dong, Yaping,&Li, Wu.(2017).Research on boron recovery from sulfate-type saline lakes with a novel dilution method.HYDROMETALLURGY,174,47-55.
MLA Peng, Jiaoyu,et al."Research on boron recovery from sulfate-type saline lakes with a novel dilution method".HYDROMETALLURGY 174(2017):47-55.
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