#6888. Treatment of olive mill wastewater by adsorption of phenolic compounds

December 2026publication date
Proposal available till 30-05-2025
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Journal’s subject area:
Environmental Engineering;
Pollution;
Applied Microbiology and Biotechnology;
Waste Management and Disposal;
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Abstract:
Olive-mill wastewater (OMW) is a typical by-product of olive-oil production and an important environmental problem in the Mediterranean region due to the significant amounts of organic matter that resist degradation and the phenolic compounds that have antimicrobial and phytotoxic properties. However, phenols present strong antioxidant activity that can turn olive oil by-products into an inexpensive source of natural antioxidants. Generally, numerous studies on the recovery of polyphenols from OMW have been conducted and several techniques are used individually or in combination. Among them, adsorption is considered to be the best effective and low cost method. So far, few studies have been carried out using sorbents for the removal of OMW phenols. However, the quite high initial cost and the need for a regeneration system make the common sorbent materials less economically viable as adsorbents. Thus, many researchers have focused their efforts on optimizing adsorption process by development of novel, low-cost adsorbents with high adsorptive capacity, such as natural materials originating from food industry byproducts (biosorbents). The objective of this review is to provide a comprehensive summary of the recovery of phenolic compounds from OMW using common adsorbents or biosorbents.
Keywords:
Adsorption; Biosorbents; Food wastes; Olive mill wastewater; Phenolic compounds; Polyphenols recovery

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