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环境化学  2015 

造纸污泥与味精废液联合厌氧消化试验

Keywords: 造纸污泥,味精废液,联合厌氧消化

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Abstract:

采用中温单相间歇式厌氧消化工艺,对造纸污泥与味精废液进行联合厌氧消化制沼气,通过设计正交试验,研究不同处理的产甲烷性能以及TS、C/N、接种量三种因素对甲烷产量的影响.试验结果表明,在中温条件下,各处理的VFA、SCOD与累积甲烷产量的变化趋势相同,其中VFA、SCOD指标均在12d左右达到最高值,各处理中仅T3在VFA高峰期表现出甲烷菌活性抑制效应,TS对三个指标均产生显著影响,系统的累积甲烷产量最高达5482ml;正交试验结果直观分析和方差分析显示三个因素对系统累积甲烷产量的影响程度依次为TS>C/N>接种量,其中TS的影响达到显著水平,最佳工艺条件为TS=10%、C/N=20、接种量=5%,该条件下造纸污泥与味精废液的用量比为101.

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