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Recovery of cadmium by high-temperature vaccum evaporation from Ni-Cd batteries 被引量:4

Recovery of cadmium by high-temperature vaccum evaporation from Ni-Cd batteries
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摘要 High temperature vaccum evaporation is a recycling technology that includes a selective material recovering process. The fundamental research on a process of disassembling and recovering selected materials from Ni Cd batteries was conducted using self designed experimental apparatus. An effective recycling technology based on the evaporation phenomenon of batteries and the elements of cadmium under the laboratory condition was studied. The results show that: (1)Ni/Cd can be effectively recovered by vacuum distillation at appropriate temperature, pressure and time, and high purity cadmium (>99%) can be obtained through the process; (2)the effective distillatory temperature should be at the range of 5731 173 K; (3)the higher the evaporation temperature, the lower the purity of cadmium in condensate High temperature vaccum evaporation is a recycling technology that includes a selective material recovering process. The fundamental research on a process of disassembling and recovering selected materials from Ni Cd batteries was conducted using self designed experimental apparatus. An effective recycling technology based on the evaporation phenomenon of batteries and the elements of cadmium under the laboratory condition was studied. The results show that: (1)Ni/Cd can be effectively recovered by vacuum distillation at appropriate temperature, pressure and time, and high purity cadmium (>99%) can be obtained through the process; (2)the effective distillatory temperature should be at the range of 5731 173 K; (3)the higher the evaporation temperature, the lower the purity of cadmium in condensate metal
出处 《中国有色金属学会会刊:英文版》 CSCD 2003年第2期254-257,共4页 Transactions of Nonferrous Metals Society of China
关键词 真空蒸发 镍镉电池 废电池 镉回收 vacuum evaporation recycling waste battery Ni Cd batteries
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  • 1李怀先,金属与无机废料回收百料全书,1989年

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