Reaction time scales for sulphate reduction in sediments of acidic pit lakes and its relation to in-lake acidity neutralisation
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- 作者：Stefan Peiffer s.peiffer@uni-bayreuth.de" class="auth_mail" title="E-mail the corresponding author
- 关键词：Sulphate reduction rates ; Acid pit lakes ; Monod kinetics ; Modelling ; Acidity ; Internal neutralisation ; Residence time ; Sediments
- 刊名：Applied Geochemistry
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：73
- 期：Complete
- 页码：8-12
- 全文大小：347 K
文摘
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Measured sulphate reduction rates in acid pit lake sediments are compiled.
A pH dependent Monod model for sulphate reduction is derived.
pH and substrate dependent time scales for sulphate reduction are derived.
Advective residence times are too short for effective sulphate reduction.
Internal neutralisation by sulphate reduction is constrained to diffusive conditions.