Olive mills effluent (OME) wastewater post-treatment using activated clay

被引：156
作者：
Al-Malah, K [1 ]
Azzam, MOJ [1 ]
Abu-Lail, NI [1 ]
机构：
[1] Jordan Univ Sci & Technol, Dept Chem Engn, Irbid 22110, Jordan
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2000年 / 20卷 / 2-3期
关键词：
olive mill wastewater; adsorption; clay;
D O I：
10.1016/S1383-5866(00)00114-3
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Olive mill effluent (OME) wastewater embodies a challenge for environmental scientists and engineers. It is characterized by high values of COD, BOD, and phenolic content. A series of treatment steps composed of settling, centrifugation, and filtration was consecutively used to condition OME wastewater. The filtrate was then subjected to a post-treatment process, namely adsorption on activated clay. The dynamic response of phenols concentration, pH, and COD. using different concentrations of activated clay, showed a peak at which maximum adsorption capacity was achieved. The maximum adsorption capacity for the tested concentrations of activated clay was reached in less than 4 h. It is thought that adsorption of phenols and organics is reversible and mainly due to hydrophobic interactions. The maximum removal of phenols was about 81%, while it reached about 71% for organic matter. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：225 / 234
页数：10
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