Ultrasound wave assisted removal of Ceftriaxone sodium in aqueous media with novel nano composite g-C3N4/MWCNT/Bi2WO6 based on CCD-RSM model

Shi X 1 , Karachi A 2 , Hosseini M 3 , Yazd MS 4 , Kamyab H 5 , Ebrahimi M 6 Show all authors , Parsaee Z 7

Affiliations 

  • 1 Institute of Computing Science and Technology, Guangzhou University, Guangzhou 510006, China
  • 2 Department of Neurosurgery, University of Florida, Gainesville, FL, USA
  • 3 Department of Science, Islamshahr Branch, Islamic Azad University, Sayad Shirazi St., Islamshahr, Tehran, Iran. Electronic address: mojgan-Hosseini@iiau.ac.ir
  • 4 Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
  • 5 Engineering Department, Razak Faculty of Technology and Informatics, UniversitiTeknologi Malaysia, Jln Sultan Yahya Petra, 56100 Kuala Lumpur, Malaysia; Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL 60607, USA. Electronic address: hesam_kamyab@yahoo.com
  • 6 Neonatal and Children's Health Research Center, Golestan University of Medical Sciences, Gorgan, Iran
  • 7 Young Researchers and Elite Club, Bushehr Branch, Islamic Azad University, Bushehr, Iran. Electronic address: zohrehparsaee@mehr.pgu.ac.ir
Ultrason Sonochem, 2020 Nov;68:104460.
PMID: 30712851 DOI: 10.1016/j.ultsonch.2019.01.018

Abstract

The aim of this study was ultrasound assisted removal of Ceftriaxone sodium (CS) based on CCD model. Using sonochemical synthesized Bi2WO6 implanted on graphitic carbon nitride/Multiwall carbon nanotube (g-C3N4/MWCNT/Bi2WO6). For this purpose g-C3N4/MWCNT/Bi2WO6 was synthesized and characterized using diverse approaches including XRD, FE-SEM, XPS, EDS, HRTEM, FT-IR. Then, the contribution of conventional variables including pH, CS concentration, adsorbent dosage and ultrasound contact time were studied by central composite design (CCD) under response surface methodology (RSM). ANOVA was employed to the variable factors, and the most desirable operational conditions mass provided. Drug adsorption yield of 98.85% obtained under these defined conditions. Through conducting five experiments, the proper prediction of the optimum point were examined. The respective results showed that RSD% was lower than 5% while the t-test confirmed the high quality of fitting. Langmuir isotherm equation fits the experimental data best and the removal followed pseudo-second order kinetics. The estimation of the experimentally obtained maximum adsorption capacities was 19.57 mg.g- of g-C3N4/MWCNT/Bi2WO6 for CS. Boundary layer diffusion explained the mechanism of removal via intraparticle diffusion.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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