濉河宿州段河水水化学特征及重金属污染状况分析
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宿州学院校级重点项目(2020yzd09)。


Analyses on Water Chemical Traits and Heavy Metal Pollution of Suihe River in Suzhou
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    摘要:

    为探究濉河宿州段河水水化学特征及重金属污染情况,以濉河宿州符离至顺河段流域为研究对象,利用 Piper 三线 图,统计学分析以及离子相关性分析对地表水主要离子化学组成及物质来源进行分析。 通过单因子指数法基于«地表水环境 质量标准»«生活饮用水卫生标准»及«国家农业灌溉水标准»对濉河宿州段重金属污染特征进行调查分析。 结果表明:(1)濉 河宿州段地表水 pH 值为 8.1~ 8.5,平均值为 8.2ꎻTDS 值为 237~ 324 mg / L,平均值为 264 mg / Lꎻ地表水化学类型为 HCO3􀅰SO4 -Na􀅰Ca 型。 (2)濉河宿州段地表水阳离子主要以 Na+ 和 Ca2+ 为主,二者质量分数占阳离子总量的 75.1%ꎻ阴离子主要以 HCO-3 为主,其质量分数占阴离子总量的 56.1%。 (3)对水体重金属质量浓度的检测发现,濉河符离到顺河段 As 污染指数较 高,已经达到轻度污染。

    Abstract:

    To explore the water chemical traits and heavy metal pollution of Suihe River in Suzhouꎬ the wathershed of Suihe River in Suzhou from Fuli to Shunhe was used as the research object. The Piper three-line diagramꎬ the statistical analysis and the ion correlation analysis were used to analyze the surface water′s major chemical ions and their sources. In this pa ̄ perꎬ the single factor index method was adopted to analyze the heavy metal pollution of Suihe River segment in Suzhou based on Surface Water Environmental Quality Standardꎬ Drinking Water Health Standards and National Agricultural Irri ̄ gation Water Standards. The results showed that the pH values of the surface water in the Suzhou segment of Suihe River range from 8.1 to 8.5ꎬ with an average of 8.2ꎻ the TDS values range from 237 to 324 mg / Lꎬ with an average of 264 mg / Lꎻ the surface water′s chemical type is HCO3 􀅰SO-4Na􀅰Ca. Our study found that the surface water′s cations in the Suzhou section of Suihe River are mainly Na+ and Ca2+ ꎬ which account for 75.1% of the total cationsꎻ the anions are main ̄ ly HCO3- ꎬ whose content accounts for about 56.1% of the total anions. Through detection of the concentration of heavy metals in the waterꎬ we found that the As pollution index is high in the river section from Fuli to Shunheꎬ which has reached low-grade pollution.

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杨玉刚1 ,闵 宁2.濉河宿州段河水水化学特征及重金属污染状况分析[J].西昌学院学报(自然科学版),2021,35(3):92-97.

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  • 在线发布日期: 2021-10-28