The final solution containing arsenic was treated by adding lime and ferric salt, and waste water reached discharge standard.
最后的含砷溶液加入石灰和铁盐加以处理,废水达到了排放标准。
2
The process for industrial wastewater containing heavy metal and arsenic was treated by lime - iron salt technology.
讨论石灰-铁盐法处理含重金属和砷工业废水的过程。
3
One 'very strong mixture' used in the book is the Veninum Lupinum, which consists of a mix of aconite, taxus baccata, caustic lime , arsenic, bitter almonds and powdered glass mixed with honey.