Effect of basicity and sodium ions on stability of polymeric ferric sulfate as coagulants
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- 作者：Dingtian Jiaa ; Mingyu Lia ; tlimy@jnu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Guoqiang Liua ; Penghui Wua ; Jingfang Yanga ; Yichun Lia ; Shaofen Zhongb ; Wenjie Xua
- 关键词：Polyferric sulfate ; Sodium jarosite ; Inorganic polymer coagulant ; Basicity ; Precipitates
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：512
- 期：Complete
- 页码：111-117
- 全文大小：2800 K
文摘
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Basicity has no effect on the structure and morphology of the precipitates in PFS.
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The precipitates in PFS prepared by NaClO3 were sodium jarosite.
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Na2SO4, NaCl and NaNO3 added into PFS significantly decreased the stability of PFS.
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The precipitates in PFS prepared by H2O2 added sodium salt were sodium jarosite.
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The existence of sodium ions was an important cause for the instability of PFS.