Membrane fouling insight during reverse osmosis purification of pretreated olive mill wastewater
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- 作者：J.M. Ochando-Pulido ; jmochandop@ugr.es" class="auth_mail" title="E-mail the corresponding author ; M.D. Ví ; ctor-Ortega ; A. Martí ; nez-Ferez
- 关键词：Olive mill wastewater ; Modeling ; Fouling ; Reverse osmosis ; Wastewater reclamation
- 刊名：Separation and Purification Technology
- 出版年：2016
- 出版时间：10 August 2016
- 年：2016
- 卷：168
- 期：Complete
- 页码：177-187
- 全文大小：1937 K
文摘
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Fouling mechanisms on RO of secondary-treated olive mil wastewater were investigated.
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Cake/gel layer formation is dominant in transient and steady-state operation stages.
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HR-SEM show a non-uniform cake formed by organic matter and residual iron colloids.
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However, 39.0% initial flux drop could be attributed to concentration polarization.
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Partial blocking model describes correctly the incipient membrane fouling formation.