Land application of sewage sludge not only avoiding the second pollution to the environment, also realizing the resourced, harmless, stabilization, and decreased disposal purpose.

• 虽然城市污泥中含有重金属等有害物质,但大量研究表明,经过无害化处理的城市污泥适量施用不会对土壤环境和作物品质造成影响。