The removal of sulphate from mine water by precipitation as ettringite and the utilisation of the precipitate as a sorbent for arsenate removal
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- 作者：Emma-Tuulia Tolonena ; b ; emma-tuulia.tolonen@oulu.fi" class="auth_mail" title="E-mail the corresponding author ; Tao Hua ; Jaakko Rä ; mö ; a ; Ulla Lassia ; c
- 关键词：Mine water ; Ettringite precipitation ; Industrial wastewater treatment ; Sulphate removal ; Waste utilization ; Arsenate sorption
- 刊名：Journal of Environmental Management
- 出版年：2016
- 出版时间：1 October 2016
- 年：2016
- 卷：181
- 期：Complete
- 页码：856-862
- 全文大小：1927 K
文摘
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Sulphate removal from mine water by precipitation as ettringite was investigated.
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Mine water sulphate concentration was reduced by 85–90% from initial 1400 mg/l.
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Precipitated solids were further tested for arsenate removal from model solution.
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86–96% of initial 1.5 mg/l arsenate was removed with 1 g/L sorbent dosage.
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Results indicate ettringite precipitate from mine water could use as As(V) sorbent.