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Efficient electrochemical recovery of fine tellurium powder from hydrochloric acid media via mass transfer enhancement
Jin, Wei1,3; Su, Junling3; Chen, Shifu2; Li, Ping3; Moats, Michael S.4; Maduraiveeran, Govindhan5; Lei, Hong2
刊名SEPARATION AND PURIFICATION TECHNOLOGY
2018-09-12
卷号203页码:117-123
关键词Tellurium Electrodeposition Mass Transfer Scattered Metals Recovery
ISSN号1383-5866
DOI10.1016/j.seppur.2018.04.026
英文摘要

Recovery of tellurium from industrial waste streams is of significant importance for the supply of this scattered element. In order to overcome the bottlenecks of high reagents consumption and low recovery efficiency in conventional processes, a novel electrochemical recovery of Te from hydrochloric acid solution was first developed using low-cost stainless steel plate. Due to the high mobility of Te in HCl systems, there is a good electrodeposition behavior of Te(IV) from both the thermodynamic and kinetic considerations. It has been identified that Te electrodeposition is diffusion controlled quasi-reversible reaction, in which the mass transfer can significantly determine the recovery performance and deposit quality. Therefore, a cylinder turbulent reactor with larger surface area cathode was employed for the extraction of tellurium from dilute solution. Microscale Te powder was successfully obtained with a recovery ratio of 96.1% and a current efficiency of 84.3%, while the side reactions of chlorine evolution and TeO2 formation were efficiently inhibited. This mass transfer-enhanced electrodeposition may serve as a promising alternative to overcome the drawbacks of existing valuable element recovery and water purification.

资助项目National Natural Science Foundation of China[51604253] ; National Natural Science Foundation of China[U1460108] ; MOE SAFEA[B13025]
WOS关键词Continuous-casting Mold ; Copper ; Electrodeposition ; Films ; Transport ; Selenium ; Sludge
WOS研究方向Engineering
语种英语
出版者ELSEVIER SCIENCE BV
WOS记录号WOS:000436051500014
资助机构National Natural Science Foundation of China ; MOE SAFEA
内容类型期刊论文
源URL[http://ir.ipe.ac.cn/handle/122111/25035]  
专题中国科学院过程工程研究所
通讯作者Jin, Wei; Lei, Hong
作者单位1.Jiangnan Univ, Sch Chem & Mat Engn, Minist Educ, Key Lab Synthet & Biol Colloids, Wuxi 214122, Peoples R China
2.Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, Shenyang 110819, Liaoning, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Beijing 100190, Peoples R China
4.Missouri Univ Sci & Technol, Mat Res Ctr, Rolla, MO 65409 USA
5.SRM Univ, Dept Chem, Res Inst, Madras 603203, Tamil Nadu, India
推荐引用方式
GB/T 7714
Jin, Wei,Su, Junling,Chen, Shifu,et al. Efficient electrochemical recovery of fine tellurium powder from hydrochloric acid media via mass transfer enhancement[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2018,203:117-123.
APA Jin, Wei.,Su, Junling.,Chen, Shifu.,Li, Ping.,Moats, Michael S..,...&Lei, Hong.(2018).Efficient electrochemical recovery of fine tellurium powder from hydrochloric acid media via mass transfer enhancement.SEPARATION AND PURIFICATION TECHNOLOGY,203,117-123.
MLA Jin, Wei,et al."Efficient electrochemical recovery of fine tellurium powder from hydrochloric acid media via mass transfer enhancement".SEPARATION AND PURIFICATION TECHNOLOGY 203(2018):117-123.
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