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接种微生物与人粪便同步连续投加对好氧堆肥效果的影响

Keywords: 好氧堆肥,人粪便,连续投加,接种微生物,腐熟

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Abstract:

利用新型梨形筒式好氧堆肥反应器,在通风量为3.0L/min,搅拌频率为5min/h的条件下,就不接种微生物、接种土著菌种、枯草芽孢杆菌与酵母菌时人粪便连续投加好氧堆肥效果进行了对比。堆制20d即2个运行周期中各堆体的温度、含水率、COD、总氮、pH值与GI等的变化表明,接种微生物可以显著提高堆体的升温速率与堆体平均温度、COD降解率、GI(P<0.01),堆肥可迅速达到完全腐熟。接种土著菌种效果最为明显(P<0.01),其后相继为枯草芽孢杆菌与酵母菌。接种土著菌种可使堆体温度在50℃以上维持18d,第8天COD降解率达到61.17%、总氮损失率为25.75%,第6天时GI达到108.22%。

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