%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