| Physicochemical Characterization and Valorization of
Tunisian Olive Oil Mill Wastewater Sludge in
Ceramic Product |
Wiem Hamza*, Mabrouk Eloussaief, Houda Mekki and Mourad Benzina
pages : 233-240
DOI : 10.1080/0371750X.2013.870752 |
| Abstract |
| This study describes the introduction of the effluent olive mill wastewater sludge (OMWS) with a grain size lower
than 1 mm into the fired laboratory produced clay bricks. In Tunisia, a set of olive oil production factories produce
OMWS in large quantities. Currently, in Sfax (Tunisia), the OMWS has been stored into basin of storage, even
though presenting a high toxicity which causes pollution to the environment. After characterization, the Tunisian
OMWS was introduced into the clay bricks with mass percentages of 0, 3, 6, 8 and 10. The samples prepared with
OMWS were found to be comparable in properties and performance to a control product, without OMWS, as adjuvant.
The prepared samples were undergone physico-chemical, mechanical and environmental tests. The obtained results
showed that with 6% OMWS, the clay-bricks successfully satisfied the standard requirements. Introduction of
OMWS in clay-bricks can be considered as a promising solution to valorize this effluent (OMWS). |
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