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高温堆肥对六六六(HCH)和滴滴涕(DDT)的降解作用研究

Keywords: 高温堆肥,生物降解,有机氯农药

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Abstract:

利用高温堆肥方法,研究比较了堆肥对堆肥原料中有机氯农药六六六(HCH)和滴滴涕(DDT)及其异构体和衍生物的降解特点。六六六4种异构体的去除率大小顺序为:δ-666>γ-666>α-666>β-666,其降解性能随着原料中污染物含量的增加而降低,滴滴涕及其衍生物的生物降解能力相对较强,其中o,p'-DDT、p,p'-DDD和p,p'-DDT经堆肥处理后(除南口添加化肥处理的p,p'-DDD外),去除率可达100%。添加化肥与不添加化肥处理没有看到明显差异。

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