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首页> 美国卫生研究院文献>Journal of Zhejiang University. Science. B >Influence of bulking agents on CH4 N2O and NH3 emissions during rapid composting of pig manure from the Chinese Ganqinfen system
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Influence of bulking agents on CH4 N2O and NH3 emissions during rapid composting of pig manure from the Chinese Ganqinfen system

机译：中国干秦粉系统猪粪快速堆肥过程中填充剂对CH4N2O和NH3排放的影响

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Mismanagement of the composting process can result in emissions of CH4, N2O, and NH3, which have caused severe environmental problems. This study was aimed at determining whether CH4, N2O, and NH3 emissions from composting are affected by bulking agents during rapid composting of pig manure from the Chinese Ganqinfen system. Three bulking agents, corn stalks, spent mushroom compost, and sawdust, were used in composting with pig manure in 60 L reactors with forced aeration for more than a month. Gas emissions were measured continuously, and detailed gas emission patterns were obtained. Concentrations of NH3 and N2O from the composting pig manure mixed with corn stalks or sawdust were higher than those from the spent mushroom compost treatment, especially the sawdust treatment, which had the highest total nitrogen loss among the three runs. Most of the nitrogen was lost in the form of NH3, which accounts for 11.16% to 35.69% of the initial nitrogen. One-way analysis of variance for NH3 emission showed no significant differences between the corn stalk and sawdust treatments, but a significant difference was noted between the spent mushroom compost and sawdust treatments. The introduction of sawdust reduced CH4 emission more than the corn stalks and spent mushroom compost. However, there were no significant differences among the three runs for total carbon loss. All treatments were matured after 30 d.
机译：堆肥过程管理不当会导致CH4，N2O和NH3的排放，从而造成严重的环境问题。这项研究的目的是确定在从中国干秦粉系统对猪粪进行快速堆肥期间，堆肥产生的CH4，N2O和NH3排放是否受到填充剂的影响。在60升反应器的强制曝气中，将三种填充剂（玉米秸秆，废蘑菇堆肥和锯末）与猪粪堆肥一起使用了一个多月。连续测量气体排放，并获得详细的气体排放模式。堆肥猪粪与玉米秸秆或木屑混合后的NH3和N2O浓度高于用过的蘑菇堆肥处理（尤其是木屑处理）中的NH3和N2O，这三个过程中总氮损失最高。大部分氮以NH3的形式损失，占初始氮的11.16％至35.69％。 NH3排放量的单向方差分析显示，玉米秸秆和锯末处理之间无显着差异，但蘑菇废料和锯末处理之间存在显着差异。引入木屑比玉米秸秆和废蘑菇堆肥减少更多的CH4排放。但是，这三个过程的总碳损失没有显着差异。 30 d后所有处理均成熟。

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