猪粪快速好氧堆肥过程中氧气浓度的变化

被引:19
作者
郑玉琪
陈同斌
高定
黄启飞
机构
[1] 中国科学院地理科学与资源研究所环境修复室
关键词
猪粪; 堆肥; 氧气; 氧传感器; 强制通风;
D O I
暂无
中图分类号
X71 [农业废物处理与综合利用];
学科分类号
082803 ;
摘要
采用自主设计开发的氧气测量设备 ,测定堆体不同部位的氧气浓度 ,从而对猪粪堆肥过程中氧气浓度的变化、通风对氧气浓度的影响、堆体不同部位氧气浓度的差异进行了分析。结果表明 ,堆肥过程中氧气浓度呈升高的趋势 ,中后期氧气浓度增加比前期明显 ;停止通风后 1 0 min内氧气消耗速率最快 ,之后消耗速度较慢 ;堆体四周和顶部氧气浓度较高 ,中部较低。
引用
收藏
页码:747 / 751
页数:5
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