cyanide process

例句：

1. 1. The cyanide process is used to treat wastewater containing heavy metals.
   氰化物处理过程用于处理含有重金属的废水。
2. 2.During the cyanide process, the wastewater is treated with a solution of sodium hydroxide.
   在氰化物处理过程中，废水被氢氧化钠溶液处理。
3. 3.The cyanide process is an effective way to remove toxic substances from industrial wastewater.
   氰化物处理是一种有效去除工业废水中有毒物质的方法。