Pretreatment of olive mill wastewater by ultrafiltration process using chitosan

Akdemir, Ezgi Oktav; Aygan, Esra

doi:10.5004/dwt.2019.23407

Cited by 7 publications

(2 citation statements)

References 28 publications

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“…A 5 µm cartridge filter was used as a pre-filter before the microfiltration membrane. The osmonic Sepa CF II membrane system described in detail in our previous studies (Akdemir and Özer 2009;Akdemir and Aygan 2019) was also used in this study. A schematic flow diagram of the experimental setup is given in Figure 1.…”

Section: Membrane Experimentsmentioning

confidence: 99%

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Kinetics of Organic Matter Removal in Olive Mill Wastewater and Cheese Whey Effluent using Microfiltration Membrane

Akdemir

2024

Preprint

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In this study, a laboratory-scale microfiltration membrane system was operated with olive oil industry wastewater (OMW) and cheese whey effluent (CWE) with chemical oxygen demand (COD) concentrations of 54 and 65.6 g/L at flow rates (Q) of 100, 150, and 200 L/h, pressures of 1 and 2 bar, filtration times considered as four different hydraulic retention time (q) of 30, 60, 90, and 120 min, respectively. COD removal efficiencies decreased with decreasing q from 120 min to 30 min and increasing pressure. In this study, mathematical models such as first-order kinetics, Grau second-order, and Modified Stover-Kincannon models were applied to determine the organic matter removal kinetics of the microfiltration membrane system. The model’s kinetic parameters were determined by linear regression using the experimental data. The predicted effluent COD concentrations were calculated using the kinetic constants. Grau second-order and Modified Stover-Kincannon models were found to be more consistent with the observed data. Moreover, the correlation coefficient (R2) obtained for the experimental and predicted effluent COD concentration also confirmed the suitability of the kinetic models and showed that the models can be used in the kinetics of organic matter removal in microfiltration membrane system design, thus predicting the behavior of the membrane for treating olive oil industry wastewater and cheese whey effluent. The experimental results obtained in this study are expected to be used as a reference for the determination of organic matter removal kinetics in membrane systems.

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Section: Membrane Experimentsmentioning

confidence: 99%

“…Treatment of olive oil mill wastewater is one of these application areas. Several laboratory-scale studies have been done on this subject (Lecce et al 2014;Pulido and Ferez 2015;Akdemir and Aygan 2019).…”

Section: Introductionmentioning

confidence: 99%