Abstract:

The waste water discharged from the paper mill without treatment has spo iled the ecosystem. In this paper four ways of wastewater treatment are intro duced. The estimated investment and traits of each scheme are compared, too.

Key words: waste water of the paper mill, waste water treatment, estimated investment

摘要：

造纸厂废水未经过处理直接排放，严重污染了生态环境。作者选取了四种可选用的造纸废水处理方案，并对各方案的投资进行了估算，对每个方案的优缺点作了较详细的比较。

关键词: 造纸废水, 废水处理, 投资估算