Utilization of dried fruit peels from prickly pears as an eco-friendly bio-sorbent for adsorption and removing certain cationic dyes from water samplesBadria M. Al-Shehri, Fatimah A. M. Al-Zahrani, Reda M. El-Shishtawy, and Mohamed A. Abdel-Lateef Chemistry Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
E-mail: Mohamed_abdellateef@azhar.edu.eg Received: 14 January 2024 Accepted: 15 April 2024 Abstract: Fruit peels from prickly pears (FPPPs), a common agricultural waste, were utilized as an inexpensive adsorbent to extract cationic dye (PTZQ) from solution via adsorption. The effects of adsorbent dose (30–500 mg), pH (2–12), temperature (25–75 °C), time of contact (30–180 min), and all these variables were investigated. pH 8.0, temperature 25 °C, the time of contact of 90 min, and the dose of adsorbent 100 mg were the ideal circumstances for the removal efficiencies of dye (96%). Prickly pear fruit peels (FPPPs) powder was identified as a possible cationic dye adsorbent in solution based on the values of equilibrium thermodynamic and kinetic parameters computed after adding the data of adsorption. The Freundlich and Langmuir models were utilized to analyze the data from the experiment and the data of the isotherm fit with the isotherm of Langmuir with an adsorption capacity for monolayers of 155 mg/g. The data collected from kinetics were examined utilizing a pseudo-first-order and pseudo-second-order equation at different doses as well as an equation for intraparticle diffusion. The data of experimental fit the kinetic model with pseudo-second order extremely well. FPPP was discovered to be a very successful adsorbent for the adsorption of PTZQ. Keywords: Dye removal; Adsorption isotherm; Equilibrium kinetic; Low-cost adsorbents; Cationic dye; Fruit peels from prickly pears Full paper is available at www.springerlink.com. DOI: 10.1007/s11696-024-03468-5
Chemical Papers 78 (9) 5301–5314 (2024) |
Wednesday, July 03, 2024 
|
|||
© 2024 Chemical Papers |
|
|||
