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Abstract:
对超高温(~80℃)自发热好氧堆肥工艺进行了研究,重点考察了堆肥过程中温度、含水率、氨氮浓度、氨气浓度、细菌丰度、污泥中可挥发性固体(VS)、种子发芽率(GI)的变化情况.并利用高通量测序考察了堆肥前后物料中微生物种群结构的变化情况.结果表明:堆肥过程中平均温度始终保持在70℃以上,峰值在82℃.含水率,VS随堆肥进行逐渐下降,最终含水率从44.17%降至31.94%,VS从45.08%降至40.25%.发酵最终减容40.95%,减量50.23%.细菌丰度在第一个周期中迅速减少,然后趋于稳定.NH4+-N在8.80~11.66mg/g干污泥内变化.浸提液稀释75倍时对种子发芽有明显促进作用.高...
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中国环境科学
Year: 2017
Issue: 09
Volume: 37
Page: 3399-3406
Cited Count:
WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1