污泥土地利用是当今国际上非常重视的污泥处置方式，如何防止重金属的污染一直是污泥农用中最重要的问题。
Soil utilization of sewage sludge is an important international method of treating sewage sludge, and how to prevent the pollution of heavy metal is always the most important problem.
而处置污泥最好的方式就是将污泥作为一种资源进行再利用。
And the best way to dispose of sludge is using it as a resource for reuse.
目前我国市政污泥处置主要有农用和填埋两种方式。
At present of the municipal sludge disposal, there are two main methods, namely, agricultural use and landfill.
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