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发布网友 发布时间：2022-04-22 23:37

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热心网友 时间：2023-09-22 03:09

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Proced ring the process of cyanide silver plating solution, liquid waste containing silver has its recycling value. In modern society where energy resources are increasingly meager, energy saving and economy have been a solid support for survival of each enterprise. In the thesis, the silver-containing liquid waste proced ring cyanide plating in the Jiangmen Electroplate Factory was used as a raw material to recover silver through an electrochemical method. Additionally, the best silver-recovery process was designed through optimization of all sorts of technological conditions which influence the silver recovery. Finally, its technological economy was evaluated.

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热心网友 时间：2023-09-22 03:09

氰化镀银生产过程中会产生含银废液，具有回收价值。在能源日益紧张的当今社会，节能与经济是每个企业生存下去的有力保障。本文以江门电镀厂氰化镀银废液为原料，利用电化学法回收其中的银并对影响银回收得的各工艺条件进行优化，得到银最佳回收工艺，对其进行技术经济评价。
During the proction process of cyanide silver plating, liquid waste containing silver will be proced which has recovery values. With the increasingly scarce energy in today’s society, the best guarantee for the survival of a company is to be thrifty and energy-saving. By applying the cyanide silver plating liquid waste from Jiangmen Electroplating Factory as raw material, this study recovers the silver from the liquid waste using the electrochemical approach; and concts optimization on all the processing conditions that hinder silver recovery so as to obtain the best recovery process, as well as making a technical and economic evaluation.

采用电化学原理电解含氰化银废液，用石墨板作阳极，铜片作阴极，空气搅拌，加入一定量的食盐。通过正交试验得到的最佳试验条件为：电流密度1.0A，两极板距离9cm，废水PH值9.0，温度为25℃。通过对正交试验的分析，可以知道电流密度，两极板距离为主要影响因素，废水PH值与温度为次要影响因素。
The principle of electrochemistry was adopted to electrolyze the cyanide silver plating liquid waste, with graphite plates as anodes, copper sheet as cathode, air agitation and certain amount of edible salt was added. Orthogonal tests were concted and the best condition was obtained: current density 1.0A, distance between the two polar plates 9cm,
PH value of waste water 9.0 and the temperature 25°C. By analyzing the orthogonal tests, it was found that the primary influencing factors were the current density and the distance between the two polar plates, while the PH value of the waste water and the temperature were the secondary factors.

针对电流密度与两极板距离进行单因素试验。得出结论，工业上应采用较低电流密度和较长的电解时间电解含银废水，而且在设计电解槽时要尽最大可能减小板间距，以便提高处理效率和减小费用。
Conclusions were obtained after single factor experiments were concted on the current density and the distance between the two polar plates; The instry should apply lower current density and longer electrolyzing time for the electrolysis of liquid waste containing silver; moreover, the distance between the plates should be as close as possible when designing the electrolytic tank so as to enhance treatment efficiency and rece cost.

热心网友 时间：2023-09-22 03:10

Silver cyanide proction process will proce silver waste, with recycling value. In today's society increasingly tense energy, energy saving and economic survival of every business a strong guarantee. In this paper, Jiangmen silver cyanide plating factory waste as raw materials, which use electrochemical recovery of silver and silver recovery may affect the various process conditions were optimized to obtain the best silver recovery process, its technical and economic evaluation.
Electrochemical principle of electrolytic waste containing cyanide silver, graphite plate as anode, cathode copper for air mixing, adding a certain amount of salt. Obtained by orthogonal test the best test conditions were: current density of 1.0A, the bipolar plate distance 9cm, wastewater PH value of 9.0, temperature 25 ℃. Through the analysis of orthogonal test, can know the current density, the bipolar plate distance of the main factors, water temperature, PH value and the secondary factor.
Bipolar plate for the current density and distance of single-factor test. Concluded that instry should adopt a lower current density and long silver electrolysis water electrolysis time, and in the design of electrolytic cell to the maximum extent possible when decreasing the clearance in order to enhance the efficiency and rece costs.