Abstract

The current study explores the possibility of using granular activated carbon derived from wasted coconut shell (CCS) as a bio adsorbent to purify aqueous solution from Al(II) ions. A number of different parameters including treatment time, pH, and dosage of adsorbent (CCS) were tested to assess their influence on the Al(II) removability. The optimum conditions for best removal were contact time of 90 min, pH of 7, and a dosage of 1 g/L. Freundlich and Langmuir isotherm models and kinetic models including the pseudo-first-order, the pseudo-second-order, and interparticle diffusion were employed to analyse the observed data which were gained from batch equilibrium tests using nonlinear regression methods. The obtained results revealed that the equilibrium data have good and reasonable fitness and correspondence with the Langmuir isotherm models. The maximum adsorption capacity for CCS and the maximum Al(II) removability were 120.6801335 mg/g and about 100%, respectively, at ambient temperature.

Details

Title
Agri-food wastes for heavy metals removal from water
Author
Zainab Abbas Al Talebi 1 ; Abbas, Sahar F 2 ; Alkizwini, Rasha S 3 ; Alazemi, Saud 4 ; Alquzweeni, Saif S 5 ; Kot, Patryk 6 ; Muradov, Magomed 6 ; AlKhayyat, Ahmed H 7 

 Department of Chemistry, College of Science, University of Babylon, Iraq. 
 Scientific Affairs Department, Al-Karkh University of Science, Iraq. 
 Environmental Engineering department, University of Babylon, Babel, Iraq. 
 B.Sc. Student, Civil Engineering Department, Liverpool John Moores University, UK. 
 Civil Engineering Department, University of Babylon, Babel, Iraq. 
 Department of Civil Engineering, Liverpool John Moores University, Liverpool, UK. 
 Department of Building and Construction Technical Engineering, College of Technical Engineering, the Islamic University, 54001 Najaf, Iraq. 
Publication year
2021
Publication date
Feb 2021
Publisher
IOP Publishing
ISSN
17578981
e-ISSN
1757899X
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2513047197
Copyright
© 2021. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.