Leaching mechanisms of constituents from fly ash under the influence of humic acid
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- 作者：Shengxin Zhaoa ; shengxin_zhao@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Zhonglin Chena ; b ; zhonglinchen@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jimin Shena ; b ; shenjimin@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jing Kanga ; jingkanghit@163.com" class="auth_mail" title="E-mail the corresponding author ; Jin Zhanga ; Yanqing Shena
- 关键词：Fly ash ; Humic acid ; Element leaching ; Leaching inhibition ; Secondary pollution
- 刊名：Journal of Hazardous Materials
- 出版年：2017
- 出版时间：5 January 2017
- 年：2017
- 卷：321
- 期：Complete
- 页码：647-660
- 全文大小：6839 K
文摘
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HA inhibits the leaching concentration for some elements by complexes −coprecipitation.
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High concentration of HA could affect the formation of gismondine obtained from FA hydration process.
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Free-CaO is the most critical factor influencing the adsorption performance and leaching behavior of FA.
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Adding CaO could increase the types of hydration products, which maybe inhibit the leaching of some elements from FA.