A novel strategy for arsenic removal from dirty acid wastewater via CaCO3-Ca(OH)2-Fe(III) processing
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- 作者：Ying Du ; Qiong Lu ; Huiyun Chen ; Yaguang Du ; Dongyun Du ; dydu666@mail.scuec.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Arsenic ; Gypsum ; Neutralization ; Dirty acid wastewater ; Fe (III)
- 刊名：Journal of Water Process Engineering
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：12
- 期：Complete
- 页码：41-46
- 全文大小：1697 K
文摘
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A novel three-stage process is proposed for disposal the dirty acid wastewater.
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CaCO3 could be used as more suitable neutralizer than others in 1st stage.
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The gypsum by CaCO3 has higher crystal purity and can be reused.
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The effect of CO32− in the 2nd stage can be ignored.