Establishing a method to assess comprehensive effect of gradient variation human health risk to metal speciation in groundwater

Zhang Yimei; Chen Jie; Wang Liqun; Zhao Yalong; Ou Ping; Shi WeiLin

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Establishing a method to assess comprehensive effect of gradient variation human health risk to metal speciation in groundwater

机译：建立评估梯度变化人类健康风险对地下水中金属形态的综合影响的方法

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摘要

A method was proposed to evaluate comprehensive effects of pHs and total metal concentration (TMC) variation for metal speciation human health risk in groundwater. The method used for the health assessment considered comprehensive and mutative effects caused by oral ingestion of groundwater based on human health risk assessment model and MINTEQ simulation. The results demonstrated that the dissolution rate of Ni2+ was affected by pH and Ni total concentration (total-Ni). With the increase of pH, the Ni2+ dissolved rate was smaller in the higher total-Ni at same pH. Ni2+ was dominant components contributed to health risk in groundwater. With the increase of pH in various total-Ni, Him keep constant at first, and then decreased gradually. The HIN, values of Ni speciation above acceptable level only in high total-Ni with alkaline conditions. The obtained results to verify that metals speciation were determined in health risk, and variation factors (pH and metal total concentration) played important role in risk estimation. These results provide basic information of heavy metal pollution control as well as remediation management. (C) 2018 Elsevier Ltd. All rights reserved.

机译：提出了一种方法来评估pH值和总金属浓度（TMC）变化对地下水中金属物种人类健康风险的综合影响。根据人类健康风险评估模型和MINTEQ模拟，用于健康评估的方法考虑了口服摄入地下水引起的综合性和变异性影响。结果表明，Ni2 +的溶解速率受pH和Ni总浓度（总Ni）的影响。随着pH的增加，在相同pH下较高的总Ni中，Ni2 +的溶解速率较小。 Ni2 +是造成地下水健康风险的主要成分。随着各种总镍中pH值的增加，Him先保持恒定，然后逐渐下降。 HIN，只有在高碱性条件下，总镍含量高时，镍的形态才能超过可接受的水平。获得的结果证明，金属形态是否对健康有影响，变异因素（pH和金属总浓度）在风险估计中起着重要作用。这些结果提供了重金属污染控制和修复管理的基本信息。（C）2018 Elsevier Ltd.保留所有权利。

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来源
《Environmental Pollution》 |2018年第10期|887-899|共13页
作者
Zhang Yimei; Chen Jie; Wang Liqun; Zhao Yalong; Ou Ping; Shi WeiLin;
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作者单位

North China Elect Power Univ, Coll Environm Sci & Engn, Beijing 102206, Peoples R China;

Suzhou Univ Sci & Technol, Suzhou 215009, Peoples R China;

North China Elect Power Univ, Coll Environm Sci & Engn, Beijing 102206, Peoples R China;

North China Elect Power Univ, Coll Environm Sci & Engn, Beijing 102206, Peoples R China;

Suzhou Univ Sci & Technol, Suzhou 215009, Peoples R China;

Suzhou Univ Sci & Technol, Suzhou 215009, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类
关键词
Ni speciation; MINTEQ simulation; Comprehensive effects; Human health;

机译：镍形态;MINTEQ模拟;综合效应;人体健康;

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Establishing a method to assess comprehensive effect of gradient variation human health risk to metal speciation in groundwater

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