A new method to recover silver from silver-bearingwaste catalytic agent is introduced.
介绍了从含银的废催化剂中回收白银的一种新方法。
2
The Gold Smelter through technical reform of washing system achieved zero discharge of cyanide-bearingwaste water.
介绍了某黄金冶炼厂通过对洗涤工艺流程的改造，实现了含氰污水零排放。
3
With the development of such kind gold ores, the arsenic pollution is Increasingly critical and especially the control of arsenic-bearingwaste waxer only leaves us a blank.