Disposal of olive mill wastewater with DC arc plasma method

İbrahimoğlu, Beycan; Yılmazoğlu, M. Zeki

doi:10.1016/j.jenvman.2018.03.134

Cited by 25 publications

(14 citation statements)

References 19 publications

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“…OMW is an environmental threat, and it became a problem that needs to be solved by the olive industry [3]. e composition of OMW may vary significantly depending on several factors: climate conditions, olive storage period, extraction process, and period of production [4].…”

Section: Introductionmentioning

confidence: 99%

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Kinetic Study of the Adsorption of Polyphenols from Olive Mill Wastewater onto Natural Clay: Ghassoul

Allaoui¹,

Bennani²,

Ziyat³

et al. 2020

Journal of Chemistry

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The aim of this study is based on natural clay as an adsorbent in the elimination of polyphenols from olive mill wastewater (OMW). This clay was analyzed using XRD, SEM/EDX, FTIR, surface area measurement (BET method), thermal analysis (TGA/DTA), and X-ray fluorescence (XRF) and then used in adsorption experiments. The results reveal that the best quantity of adsorption of polyphenols is 161 mg/g at the temperature of 25°C, but they decrease at 35°C and 45°C. A great agreement with pseudo-second-order and Freundlich model is represented by kinetic and isotherms models, and several parameters such as ΔG0, ΔS0, and ΔH0 were determined using the thermodynamic function relationship.

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Section: Introductionmentioning

confidence: 99%

“…Many physicochemical and biological techniques have been developed to treat OMW. ese methods include coagulation/flocculation [5,6], oxidation, ozonation [7], and membrane filtration [3,7,8]. Despite the availability of the processes above, the adsorption method is most extensively employed for treatments of the OMW.…”

Section: Introductionmentioning

confidence: 99%

Kinetic Study of the Adsorption of Polyphenols from Olive Mill Wastewater onto Natural Clay: Ghassoul

Allaoui¹,

Bennani²,

Ziyat³

et al. 2020

Journal of Chemistry

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“…Maximum OH selectivity at underwater plasma system was obtained at 3 to 5 minutes treatment duration [18]. When using DC arc plasma method, the amount of COD and BOD of olive mill wastewater reported decreased by 94.42% and 95.37% as a result of the dissolved oxygen ratio by means of structures such as ion, photons, free radicals and neutrals provided by plasma to the environment [19].…”

Section: Figure 1 Experimental Apparatusmentioning

confidence: 95%

Hazardous Content Removal and Silver Nanoparticle Recovery from Liquid Radiography Waste Using Microwave Plasma

Putra¹,

Sulfiana²,

Amaliyah³

et al. 2019

RCMA

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The components of liquid radiography waste may be harmful or useful, depending on the composition of the raw material. This paper aims to remove the hazardous content from liquid radiography waste, while recoving the silver nanoparticles. The microwave plasma method was adopted to achieve this purpose. First, the conventional microwave oven was modified to generate the plasma in 100mL liquid radiogrpahy waste at 500W. The plasma generation time was varied for 1, 3, 4, 7, and 10min. In the treated liquid, the total suspended solid (TSS) was analyzed through vultraviolet spectrophotmetry, the silver (Ag) was examined through atomic absorption spectrophometory, and the biological oxygen demand (BOD) and chemical oxygen demand (COD) were discussed by titration method. In addition, the recovered silver was identified by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The resultsshow that the microwave plasma method reduced the TSS by 99.36%, the Ag by 92.73%, the pH by 3.42%, the BOD by 57.13%, and the COD by 57.14%; In addition, spherical shaped silver nanoparticles were indentified at some peaks with average crystallite size ranging from 2.64nm to 65.64nm. The research findings shed important new light on the recycling of liquid radiography waste.

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“…Both these pathways are environmentally and economically unsustainable due to greenhouse gas emissions, pollution of the subsurface and groundwater and landfill lifetime reduction (Dai et al . ; Ibrahimoglu and Yilmazoglu ). Therefore, research and development of technologically viable and environmentally friendly management options is ongoing.…”

Section: Introductionmentioning

confidence: 96%

Preliminary assessment on the application of biochar and spectral‐induced polarization for wastewater treatment

Kirmizakis

Kalderis

Ntarlagiannis

et al. 2019

Near Surface Geophysics

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In this work, we explore the use of biochar as a remediation agent, and the sensitivity of the spectral‐induced polarization method as a remediation monitoring aid. Biochar amended columns were fully saturated with industrial wastewater (olive oil mill waste) with very high concentration of phenols (∼2485 mg/L) and other substances. The biochar‐amended columns achieved very high removal rates of phenols compared to the control (sand only). Geophysical monitoring over the duration of the experiment (10 days) showed changes in the spectral‐induced polarization signal (imaginary conductivity) consistent with phenol removal as confirmed by geochemical monitoring. This experiment confirmed the utility of biochar as a remediation agent. Furthermore, spectral‐induced polarization can serve as long‐term, high resolution, monitoring aid in organic contaminant degradation processes.

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Disposal of olive mill wastewater with DC arc plasma method

Cited by 25 publications

References 19 publications

Kinetic Study of the Adsorption of Polyphenols from Olive Mill Wastewater onto Natural Clay: Ghassoul

Kinetic Study of the Adsorption of Polyphenols from Olive Mill Wastewater onto Natural Clay: Ghassoul

Hazardous Content Removal and Silver Nanoparticle Recovery from Liquid Radiography Waste Using Microwave Plasma

Preliminary assessment on the application of biochar and spectral‐induced polarization for wastewater treatment

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