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Integrated approach in treatment of solid olive residue and olive wastewater

Author name : Ibrahim hotan zaidi alsohaimi
Publication Date : 2021-11-17
Journal Name : Mater. Res. Express

Abstract

Generally olive oil generated two forms of waste by-products: solid olive residue (SOR) and olive wastewater (OWW). In the present study a promising solution is given to treat both SOR and OWW waste by-products. The first process consists of converting the solid olive residue to activated carbon using pyrolysis process at 600 °C, followed by steam activation procedure at three different temperatures. The attained activated carbon was examined by different experimental techniques such as FTIR, SEM, BET and iodine number. The surface area was increased by increasing stream activation temperature (reach 1020 m2 g−1 BET). However, the steam activation at 700 °C was found to be ideal for environmental and economic performance. On the other hand, the activated carbon at 700 °C displayed high removal capacity of both polyphenolic compounds and COD from olive wastewater. In fact, after 2 h of treatment, 95.5% of COD and 84.2% of polyphenolic compounds were completely removed.

Keywords

COD, activated carbons, solid olive residue, steam activation

Publication Link

https://doi.org/10.1088/2053-1591/ac34b9

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