污泥农用对土壤中各形态重金属含量变化的影响Effects of Sludge for Agricultural Use on Content Changes of Different Forms of Soil Heavy Metal
李梦红;黄现民;诸葛玉平;
摘要(Abstract):
[目的]研究棕壤和褐土在施入工业污泥和生活污泥后,土壤中各形态Cu、Zn、Pb、Cd的含量变化情况。[方法]用污泥和土壤均匀混合的土柱来模拟实际土壤,对土柱进行7次淋洗后,测定土柱中0~10cm均匀混合层中各形态重金属的含量。[结果]在施入工业污泥和生活污泥后,土壤中重金属根据形态不同而具有各自不同的变化规律。[结论]重金属变化规律不仅与重金属各形态的迁移转化性质有关,还受污泥种类和土壤性质等多种因素的影响。
关键词(KeyWords): 污泥农用;土壤;重金属形态;含量
基金项目(Foundation): 山东省优秀中青年科学家科研奖励基金(03BS126);; 山东省博士后科研择优资助项目(35910)
作者(Author): 李梦红;黄现民;诸葛玉平;
Email:
DOI: 10.13989/j.cnki.0517-6611.2008.23.052
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