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Orange peels magnetic activate carbon (MG-OPAC) composite formation for toxic chromium absorption from wastewater

Khalil A 1 , Salem M 1 , Ragab S 2 , Sillanpää M 3 , El Nemr A 4

Affiliations 

  • 1 Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt
  • 2 Environment Divisions, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt
  • 3 Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa
  • 4 Environment Divisions, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt. ahmedmoustafaelnemr@yahoo.com
Sci Rep, 2023 Feb 28;13(1):3402.
PMID: 36854794 DOI: 10.1038/s41598-023-30161-6

Abstract

This work prepared a composite of orange peels magnetic activated carbon (MG-OPAC). The prepared composite was categorized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), Brunauer-Emmett-Teller (BET), Energy-dispersive X-ray spectroscopy (EDX), Scanning Electron Microscopy (SEM) and vibrating-sample magnetometer (VSM) analyses. The MG-OPAC composite showed the surface area (155.09 m2/g), the total volume of pores (0.1768 cm3/g), and the mean diameter of pores (4.5604 nm). The saturation magnetization (Ms = 17.283 emu/g), remanence (Mr = 0.28999 emu/g) and coercivity (Hc = 13.714 G) were reported for the prepared MG-OPAC. Likewise, at room temperature, the MG-OPAC was in a super-paramagnetic state, which could be collected within 5 S (

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

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