Simultaneous Silver Recovery and Cyanide Removal from Electroplating Wastewater by Pulse Current Electrolysis Using Static Cylinder Electrodes

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	Simultaneous Silver Recovery and Cyanide Removal from Electroplating Wastewater by Pulse Current Electrolysis Using Static Cylinder Electrodes
	Gao, Yixian ; Zhou, Yao ; Wang, Haitao ; Lin, Wenshuang ; Wang, Yuanpeng ; Sun, Daohua ; Hong, Jinqing ; Li, Qingbiao ; Wang YP(王远鹏) ; Sun DH(孙道华) ; Li QB(李清彪)
刊名	http://dx.doi.org/10.1021/ie301731g
	2013
关键词	ELECTROCOAGULATION PROCESS ELECTROCHEMICAL REACTOR LEACHING SOLUTIONS ACTIVATED CARBON GOLD OXIDATION COPPER WASTEWATERS RECLAMATION MECHANISM
英文摘要	National Basic Research Program of China [2013CB733505]; National Natural Science Foundation of China [41071302]; Development and Reform Commission of Fujian Province, China [2011-1598]; Science and Technology Program of Xiamen of Fujian Province, China [3502Z20126005]; Ministry of Science and Technology of the People's Republic of China [2011BAE16B03]; Xiamen YongHong Technology Co. Ltd.; An effective electrochemical approach for simultaneous silver recovery and cyanide removal from electroplating wastewater was presented. Accordingly, pulse current (PC) electrolysis with parameters including voltage (4.0 V), frequency (800 Hz), and duty cycle (50%) were settled using static cylinder electrodes. Then the influences of technological conditions on the electroplating wastewater treatment process were investigated, which manifested that the concentration of silver ions in electroplating wastewater could be reduced from 221 to 0.4 mg L-1 and cyanide could be simultaneously removed from 157 to 4.9 mg L-1 after 3.0 h of PC electrolysis at pH 9.5 +/- 0.5, aeration rate of 100 L h(-1), and stirring speed of 1000 rpm with NaCl addition of 0.05 mol L-1 at room temperature. The results of XRD and EDX analysis showed that the silver deposits on the cathode were crystalline in face centered cubic structure and had a high purity.
语种	英语
出版者	AMER CHEMICAL SOC
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/89049]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Gao, Yixian,Zhou, Yao,Wang, Haitao,et al. Simultaneous Silver Recovery and Cyanide Removal from Electroplating Wastewater by Pulse Current Electrolysis Using Static Cylinder Electrodes[J]. http://dx.doi.org/10.1021/ie301731g,2013.
APA	Gao, Yixian.,Zhou, Yao.,Wang, Haitao.,Lin, Wenshuang.,Wang, Yuanpeng.,...&李清彪.(2013).Simultaneous Silver Recovery and Cyanide Removal from Electroplating Wastewater by Pulse Current Electrolysis Using Static Cylinder Electrodes.http://dx.doi.org/10.1021/ie301731g.
MLA	Gao, Yixian,et al."Simultaneous Silver Recovery and Cyanide Removal from Electroplating Wastewater by Pulse Current Electrolysis Using Static Cylinder Electrodes".http://dx.doi.org/10.1021/ie301731g (2013).