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The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water
Recently, many methods have been developed to efficiently eliminate oil spills due to its long-term harmful effects on marine life and human health. Expanded graphite (EG) has been considered as an excellent platform to remove contaminated oil from aqueous solution through a facile adsorption route....
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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MDPI
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6630697/ https://www.ncbi.nlm.nih.gov/pubmed/31200537 http://dx.doi.org/10.3390/ma12121913 |
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author | Tuan Nguyen, Hoang Doan Nguyen, Hoang Tung Nguyen, Thuong Thi Le Thi, Ai Kha Nguyen, Thanh Duy Phuong Bui, Quynh Thi Bach, Long Giang |
author_facet | Tuan Nguyen, Hoang Doan Nguyen, Hoang Tung Nguyen, Thuong Thi Le Thi, Ai Kha Nguyen, Thanh Duy Phuong Bui, Quynh Thi Bach, Long Giang |
author_sort | Tuan Nguyen, Hoang Doan |
collection | PubMed |
description | Recently, many methods have been developed to efficiently eliminate oil spills due to its long-term harmful effects on marine life and human health. Expanded graphite (EG) has been considered as an excellent platform to remove contaminated oil from aqueous solution through a facile adsorption route. As an innovative approach, the decoration of magnetic components, namely, MnFe(2)O(4), into graphite layers was taken into account for facilitating phase separation under magnetic field which resulted into an easy collection of the used adsorbents in a large scale. The expanded graphite/manganese ferrite composites were prepared from Vietnamese graphite flakes via a two-stage process. Characterization was performed using Scanning Electron Microscope (SEM), Fourier-Transform Infrared Spectroscopy (FTIR), X-Ray Powder Diffraction (XRD), Vibrating Sample Magnetometer (VSM), Energy-Dispersive X-ray (EDS), and nitrogen adsorption/desorption analysis. The adsorption behavior of EG-MnFe(2)O(4) for widespread used heavy oils, including diesel oil and crude oil, was investigated under the effects of adsorption conditions, i.e., contact time, loaded oil dosage, and salinity of mixing oil and water. The obtained results showed successful incorporation of MnFe(2)O(4) into graphite sheets and no considerable change on the worm-like structure of EG. The results also showed that incorporated manganese ferrites enhanced the magnetism EG up to 16 emu/g, which made the recovery of used adsorbent conveniently. The EG-MnFe(2)O(4) adsorbents exhibited the strong adsorption ability toward diesel oil (32.20 [Formula: see text] 0.46 g DO/g EG) and crude oil (33.07 [Formula: see text] 0.33 g CO/g EG). In brief, EG-MnFe(2)O(4) material provides a potential and promising platform with high performance for oil spill removal. |
format | Online Article Text |
id | pubmed-6630697 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-66306972019-08-19 The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water Tuan Nguyen, Hoang Doan Nguyen, Hoang Tung Nguyen, Thuong Thi Le Thi, Ai Kha Nguyen, Thanh Duy Phuong Bui, Quynh Thi Bach, Long Giang Materials (Basel) Article Recently, many methods have been developed to efficiently eliminate oil spills due to its long-term harmful effects on marine life and human health. Expanded graphite (EG) has been considered as an excellent platform to remove contaminated oil from aqueous solution through a facile adsorption route. As an innovative approach, the decoration of magnetic components, namely, MnFe(2)O(4), into graphite layers was taken into account for facilitating phase separation under magnetic field which resulted into an easy collection of the used adsorbents in a large scale. The expanded graphite/manganese ferrite composites were prepared from Vietnamese graphite flakes via a two-stage process. Characterization was performed using Scanning Electron Microscope (SEM), Fourier-Transform Infrared Spectroscopy (FTIR), X-Ray Powder Diffraction (XRD), Vibrating Sample Magnetometer (VSM), Energy-Dispersive X-ray (EDS), and nitrogen adsorption/desorption analysis. The adsorption behavior of EG-MnFe(2)O(4) for widespread used heavy oils, including diesel oil and crude oil, was investigated under the effects of adsorption conditions, i.e., contact time, loaded oil dosage, and salinity of mixing oil and water. The obtained results showed successful incorporation of MnFe(2)O(4) into graphite sheets and no considerable change on the worm-like structure of EG. The results also showed that incorporated manganese ferrites enhanced the magnetism EG up to 16 emu/g, which made the recovery of used adsorbent conveniently. The EG-MnFe(2)O(4) adsorbents exhibited the strong adsorption ability toward diesel oil (32.20 [Formula: see text] 0.46 g DO/g EG) and crude oil (33.07 [Formula: see text] 0.33 g CO/g EG). In brief, EG-MnFe(2)O(4) material provides a potential and promising platform with high performance for oil spill removal. MDPI 2019-06-13 /pmc/articles/PMC6630697/ /pubmed/31200537 http://dx.doi.org/10.3390/ma12121913 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Tuan Nguyen, Hoang Doan Nguyen, Hoang Tung Nguyen, Thuong Thi Le Thi, Ai Kha Nguyen, Thanh Duy Phuong Bui, Quynh Thi Bach, Long Giang The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water |
title | The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water |
title_full | The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water |
title_fullStr | The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water |
title_full_unstemmed | The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water |
title_short | The Preparation and Characterization of MnFe(2)O(4)-Decorated Expanded Graphite for Removal of Heavy Oils from Water |
title_sort | preparation and characterization of mnfe(2)o(4)-decorated expanded graphite for removal of heavy oils from water |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6630697/ https://www.ncbi.nlm.nih.gov/pubmed/31200537 http://dx.doi.org/10.3390/ma12121913 |
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