Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Sustainable Oil Adsorption from Produced Water using Cane Papyrus as Natural Biosorbent

Version 1 : Received: 9 October 2021 / Approved: 11 October 2021 / Online: 11 October 2021 (11:53:37 CEST)

How to cite: Alatabe, M.J.A. Sustainable Oil Adsorption from Produced Water using Cane Papyrus as Natural Biosorbent. Preprints 2021, 2021100157 (doi: 10.20944/preprints202110.0157.v1). Alatabe, M.J.A. Sustainable Oil Adsorption from Produced Water using Cane Papyrus as Natural Biosorbent. Preprints 2021, 2021100157 (doi: 10.20944/preprints202110.0157.v1).

Abstract

High quantities of wastewater produced from producing natural gas and oil from the aquifer, which called produced water. The produced water was comprised of dissolved solids, suspended solids, emulsified oil, and organic and inorganic compounds. That should be treated it's before disposal because it causes harm to the environment. This study takes the produced water from the southern Iraqi oilfield drilling company to adsorption by the Cane papyrus as natural and low-cost adsorbent. The analysis completed by using Fourier transforms infrared spectroscopy, EDX spectra and Scanning Electron Microscopic (SEM) for Cane papyrus. Investigating the effect of many parameters such as adsorbent dosage, temperature, solution pH, mixer speed and contact time. The Langmuir, Freundlich, Temkin and Harkins-Henderson isotherm models were tested, the results were 0.998,0.966, 0.931 and 0.966 respectively. The Langmuir model was more suitable described the adsorption process than the other models. The kinetics results were, 0.984 for Pseudo-first-order, 0.938 for Pseudo-second order is, 0.979 for Intra particle diffusion study and 0.912 for the Elovich model, the Pseudo-first-order kinetic equation best described the kinetics of the reaction. The thermodynamics study effect temperature changes on the thermodynamic parameters such as standard free energy change (∆G°), standard enthalpy change (∆H°) and standard entropy change (∆S°). The experimental data obtained demonstrated that Cane papyrus is a suitable adsorbent for removing oil from produced water.

Keywords

Adsorption; Cane Papyrus; Oily water; Produced water; Isotherm; Kinetic

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