蝇蛆生物转化餐厨垃圾的效能评估

被引:21
|
作者
江承亮 [1 ]
腾昌运 [1 ,2 ]
李敬 [1 ]
朱军 [3 ]
封代华 [1 ]
楼莉萍 [1 ]
张志剑 [1 ,4 ]
机构
[1] 浙江大学环境与资源学院
[2] 杭州吾蚨美环保有限公司
[3] 阿肯色大学生物与农业工程学系
[4] 杭州谷胜农业科技有限公司
关键词
蝇蛆; 餐厨垃圾; 接种量; 减量化; 资源化;
D O I
暂无
中图分类号
X174 [环境动物学]; X799 [其他];
学科分类号
摘要
餐厨垃圾具有资源性和危害性.利用家蝇幼虫(蝇蛆)的食腐性以及生命周期短特性研究餐厨垃圾处理,探究最佳蝇蛆接种量,而后分析此接种量下处理前后堆体的理化指标,并对蝇蛆进行营养评价.结果表明,蝇蛆处理餐厨垃圾的最佳接种量约为13 300只/kg,此接种量下餐厨垃圾的减量可达55%,减量指标为13.8;处理后堆体的含水量、有机质、全氮、全磷、全钾总量分别下降71.1%、63.9%、75.4%、8.13%、5.3%,碳氮比和p H分别为31.2、8.43,均满足好氧堆肥所需的初始条件;蝇蛆生物转化餐厨垃圾的平均产率为26.4%,转化效率达79.7%;所得干蛆的蛋白质含量接近50%,综合营养价值高于国产鱼粉及豆饼;多烯脂肪酸含量(亚油酸、亚麻酸等)超过智利鱼粉,深加工潜力大.上述结果表明蝇蛆生物转化餐厨垃圾效能显著,具有较好发展前景.
引用
收藏
页码:1159 / 1165
页数:7
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