| pH变化对污泥中重金属Pb·Ni形态及迁移性的影响 |
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| 引用本文： | 陈茂林,马楫. pH变化对污泥中重金属Pb·Ni形态及迁移性的影响[J]. 安徽农业科学, 2011, 39(26): 16063-16065 |
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| 作者姓名： | 陈茂林 马楫 |
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| 作者单位： | 苏州苏净环保工程有限公司,江苏苏州,215122 |
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| 摘 要： | 采用BCR连续提取法,对污泥中2种重金属Pb和Ni的形态随pH的变化进行了研究。结果表明,pH对污泥中Pb和Ni的形态有重要影响,对于污泥中Pb,其主要以氧化态和残渣态为主,随pH的增加,残渣态和氧化态的总含量降低;而对于污泥中的Ni,氧化态是其主要形态。pH对Ni的生物有效性具有明显的抑制作用。
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| 关 键 词： | 元素形态 移动性 污泥 Pb Ni |
Effect of pH Change on the Form and Mobility of Pb and Ni in Municipal Sludge |
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| CHEN Mao-lin et al. Effect of pH Change on the Form and Mobility of Pb and Ni in Municipal Sludge[J]. Journal of Anhui Agricultural Sciences, 2011, 39(26): 16063-16065 |
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| Authors: | CHEN Mao-lin et al |
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| Affiliation: | CHEN Mao-lin et al(Suzhou Sujing Environmental Engineering Co.,Ltd,Suzhou,Jiangsu 215122) |
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| Abstract: | By adopting BCR sequential extraction procedure,the effect of pH change on the form of Pb and Ni in municipal sludge was studied.As indicated by the result,pH had great impact on the form of Pb and Ni.Pb existed in sludge mainly in the oxidant and residual form,but the total content of these two forms decreased as the pH increased.The Ni in the sludge was mainly in the oxidant form.pH value had obvious inhibition effect on the bioavailability of Ni. |
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| Keywords: | Element form Mobility Municipal sludge Pb Ni |
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