%0 Journal Article
%T Changes of chromium speciation during aerobic co-composting of chromium-contaminated soil and food wastes
餐厨垃圾与铬污染土壤混合堆肥中铬形态的转化
%A Jin Chunji
%A Ren Juan
%A Tian Guobin
%A Zhao Zhenhuan
%A Zhang Peng
%A
金春姬
%A 任娟
%A 田国宾
%A 赵振焕
%A 张鹏
%J 环境工程学报
%D 2011
%I
%X 进行了不同比例铬污染土壤与餐厨垃圾混合堆肥实验,分析了堆肥过程铬形态的变化、浸出液毒性以及种子发芽指数。结果表明,堆肥实验后,堆肥物料中可交换态和碳酸盐结合态的铬含量逐渐减少,最多可分别减少82.6%和72.69%,有机结合态的铬含量明显增加,最大增幅为106.58%;堆肥物料浸出液铬的浓度低于国家危险废物鉴别标准,浸出浓度范围为1.05~2.63 mg/L;堆肥后物料毒性降低,对种子发芽抑制作用小。堆肥化过程能够降低铬的毒性和迁移性。
%K chromium-contaminated soil
%K food wastes
%K aerobic composting
%K chromium speciation
铬污染土壤
%K 餐厨垃圾
%K 好氧堆肥
%K 铬形态
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=92E6F4267FD4CBCB51B1E49E014D8054&jid=3567BD61129AA59043F5DE01F8815DB5&aid=30675D22348187419FE86F2E08423BBE&yid=9377ED8094509821&vid=94C357A881DFC066&iid=CA4FD0336C81A37A&sid=4966445AEEBA9556&eid=D6354F61445E9456&journal_id=1673-9108&journal_name=环境工程学报&referenced_num=0&reference_num=0