Cotton Spinning Waste as a Microporous Activated Carbon: Application to Remove Sulfur Compounds in a Tunisian Refinery Company

Bechir Wannassi, Mohammad Kanan (), Ichrak Ben Hariz, Ramiz Assaf, Zaher Abusaq, Mohamed Ben Hassen, Salem Aljazzar, Siraj Zahran, Mohammed T. Khouj and Ahmad S. Barham
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Bechir Wannassi: Textile Laboratory Engineering ‘LGTex’, University of Monastir, Ksar Hellal, Monastir 5078, Tunisia
Mohammad Kanan: Jeddah College of Engineering, University of Business and Technology, Jeddah 21448, Saudi Arabia
Ichrak Ben Hariz: Tunisian Society of Refinery Industries, Bizerte 7021, Tunisia
Ramiz Assaf: Industrial Engineering Department, An-Najah National University, Nablus 00970, Palestine
Zaher Abusaq: Jeddah College of Engineering, University of Business and Technology, Jeddah 21448, Saudi Arabia
Mohamed Ben Hassen: Textile Laboratory Engineering ‘LGTex’, University of Monastir, Ksar Hellal, Monastir 5078, Tunisia
Salem Aljazzar: Jeddah College of Engineering, University of Business and Technology, Jeddah 21448, Saudi Arabia
Siraj Zahran: Jeddah College of Engineering, University of Business and Technology, Jeddah 21448, Saudi Arabia
Mohammed T. Khouj: Jeddah College of Engineering, University of Business and Technology, Jeddah 21448, Saudi Arabia
Ahmad S. Barham: Department of Chemistry, The University of Jordan, Amman 11942, Jordan

Sustainability, 2022, vol. 15, issue 1, 1-16

Abstract: The petroleum industry plays a vital role in the economies of developing countries. Refinery wastewater pollution has increased in recent years due to the increase in the industrial and urban use of petroleum products. The present work demonstrates how textile waste can be modified into a material that can effectively remove sulfur pollutants from refinery wastewater. An economic activated carbon (AC) material was developed by using cotton spinning waste from a textile company. The chemical activation was carried out using nitric acid (HNO 3 ), hydrogen peroxide (H 2 O 2 ), and potassium hydroxide (KOH). The characterization of the obtained activated carbons was performed using the SEM, BET, and FTIR techniques. The effect of the experimental adsorption condition was investigated using both bed and batch isotherms. The results show that effluent flow has the highest effect on sulfur compound adsorption. The greatest adsorption capacity of the sulfur compounds was found to be around 168.4 mg·g −1 . The equilibrium data were investigated using the Freundlich, Langmuir, Dubinin–Radushkevich, Tóth, and Sips isotherm models. The Langmuir model exhibited the best fit ( R² = 0.98) for the sulfur compounds’ adsorption, which implies that their adsorption onto the synthesized AC was homogeneous. The kinetic data were tested with pseudo-first-order, pseudo-second-order, and intraparticular diffusion equations. The pseudo-second-order equation described the kinetic data well ( R² = 0.99), indicating that this adsorption may be restricted by the chemisorption process. These properties under optimal conditions make the obtained ACs suitable for use in refinery wastewater treatment.

Keywords: cotton waste; activated carbon; kinetic study; bed adsorption; chemical activation; removal; refinery wastewater (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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