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蚯蚓处理对脱水城市污泥性能的影响

Journal of Anhui Agricultural Sciences(2018)

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Abstract
[目的]研究蚯蚓处理对脱水城市污泥性能的影响.[方法]以城市污水处理厂的脱水污泥作为研究对象,探讨蚯蚓处理对其性能的影响.[结果]新鲜脱水污泥经蚯蚓处理后,pH、有机质含量降低,EC值显著升高,使污泥性质趋于稳定,污泥的微生物活性增强,有害微生物得到抑制,全氮、全磷、全钾含量降低,速效氮、速效磷、速效钾含量升高.[结论]蚯蚓处理可以很好地实现污泥的减量化、无害化和资源化.
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