sulfite waste liquor

例句：

1. 1. The plant's wastewater is a major source of pollution in the area.
   该工厂的废水是该地区的主要污染源。
2. 2. The company has been working on developing a new method to treat sulfate wastewater.
   该公司一直在努力开发一种新的方法来处理硫酸盐废水。
3. 3. The sulfate wastewater needs to be treated before it can be discharged into the environment.
   这种硫酸盐废水在排放到环境中之前需要经过处理。