The present invention relates to sulfur slag vacuum volatilizing process for enriching noble metal, and belongs to the field of vacuum firemetallurgy process.
本发明涉及一种硫磺渣真空挥发富集贵金属的方法，属于一种真空火法冶金方法。
2
The general situation of recycling and reusing for nickel metal hydride batteries and its firemetallurgy and hydrometallurgy technical processes are summarized.
介绍了国内外废旧电池的回收概况以及火法和湿法回收金属氢化物-镍电池的工艺流程。
3
The factors of effect on the techniques of the electrolytic silver were analyzed. The lead 'anode mud were treated with the firemetallurgy and electrolytic refining.