采用双阴极室隔膜电解槽，以多孔圆筒铸铁为阳极电解制备水处理剂高铁酸盐。
The water treatment agent ferrate is prepared by electrolysis in diaphragm bath with double cathode chamber and porous cylinder cast iron anode.
研究了用旋转圆筒作阴极，二步电解法回收废电子元器件中的银。
The recovery of silver from waste electronic parts by two-step electrolysis method with rotary cylinder as cathode is discussed.
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