Sb~(3+)-OH~-体系中锌粉置换锡的动力学
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摘要
研究了OH~-和Sb~(3+)-OH~-体系中锌粉置换锡的反应动力学。结果表明:在Sb~(3+)-OH~-体系中,Sb~(3+)的析氢副反应产生较多气泡,分散了锌粉与产物锡,促使锌粉置换锡反应速率加快,反应时间缩短,产物锡颗粒更分散:OH~-体系中,锌粉置换锡反应由内扩散控制;Sb~(3+)-OH~-体系中,锌粉置换锡反应由化学反应控制。
Recovery of stannum from alkaline solution by replacement using zinc powder in OH~- and Sb~(3+)-OH~-systems was studied.The results show that in Sb~(3+)-OH~- system,with increasing of air bubble produced by Sb~(3+) hydrogen evolution secondary reaction,replacement reaction is accelerated,reaction time is shortened,and stannum particles are more dispersed.Reaction of replacement stannum by Zn is controlled by internal diffusion in OH~- system while is controlled by chemical reaction in Sb~(3+)-OH~- system.
Recovery of stannum from alkaline solution by replacement using zinc powder in OH~- and Sb~(3+)-OH~-systems was studied.The results show that in Sb~(3+)-OH~- system,with increasing of air bubble produced by Sb~(3+) hydrogen evolution secondary reaction,replacement reaction is accelerated,reaction time is shortened,and stannum particles are more dispersed.Reaction of replacement stannum by Zn is controlled by internal diffusion in OH~- system while is controlled by chemical reaction in Sb~(3+)-OH~- system.
引文
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[2] 谷泽宇,高嵩,黄昊,等.多壁纳米碳管约束二硫化锡作为锂离子电池负极的电化学行为[J].物理化学学报,2017,33(6):1197-1204.
[3] YANG J G,LEI J,PENG S Y,et al.A new membrane electro-deposition based process for tin recovery from waste printed circuit boards[J].Journal of Hazardous Materials,2016,304:409-416.
[4] YANG T Z,ZHU P C,LIU W F,et al.Recovery of tin from metal powders of waste printed circuit boards[J].Waste Management,2017,68:449-457.
[5] STEFANOWICZ T,GOLIK T,NAPIERALSKA-ZAGOZDA S,et al.Tin recovery from an electroplating sludge[J].Resources,Conservation and Recycling,1991,6(1):61-69.
[6] MUBARAK A A,EL-SHAZLY H A,KONSOWA A H.Recovery of copper from industrial waste solution by cementation on reciprocating horizontal perforated zinc disc[J].Desalination,2004,167:127-133.
[7] ABDEL-AZIZ M H,EL-ASHTOUKHY E S Z,BASSYOUNI M.Recovery of copper from effluents by cementation on aluminum in a multirotating cylinder-agitated vessel[J].Metallurgical and Materials Transactions:B,2016,47(1):657-665.
[8] LUO P,SUN B B,LI J X,et al.Effect of antimony(Ⅲ) on tin recovery by cementation on zinc powder under alkaline conditions[J].International Journal of Electrochemical Science,2019,14:2621-2630.
[9] JIANG J C,TONG J,LUO P,et al.Particle size refinement of Zn electrodeposits in alkaline zincate solutions with poly (ethylene glycol) (12) tridecyl ether:PartⅡ[J].International Journal of Electrochemical Science,2018,13(1):324-332.
[10] ST-PIERRE J,PIRON D L.Electrowinning of zinc from alkaline solutions[J].Journal of Applied Electrochemistry,1986,16(3):447-456.
[11] 孙彬彬,童俊,鹿慧,等.EDTA滴定法结合酸碱滴定法用于碱液中锌、锡的联合测定以及游离碱的测定[J].冶金分析,2018,38(5):54-59.
[12] KARAVASTEVA M.The effect of magnesium and zinc on indium cementation kinetics and deposit morphology in the presence of and without nonylphenylpolyethylene glycol[J].Hydrometallurgy,2014,150:47-51.
[13] FARAHMAND F,MORADKHANI D,SADEGH SAFARZADEH M,et al.Optimization and kinetics of the cementation of lead with aluminum powder[J].Hydrometallurgy,2009,98(1/2):81-85.
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[15] ABDEL-AZIZ H M.Production of copper powder from wastewater containing CuSO4 and alcoholic additives in a modified stirred tank reactor by cementation[J].Hydrometallurgy,2011,109(1/2):161-167.
[16] XIE X W,LI Y,LIU Z Q,et al.Low-temperature oxidation of CO catalysed by Co3O4 nanorods[J].Nature,2009,458(7239):746-749.