Volume 5, Issue 1, June 2020, Page: 1-9
A Laboratory-Based Case Study to Remove MTBE from Contaminated Water with Pure-WO3 and Nano-WO3 Catalysts Loaded with Ru and Pt
Saleh Hamad Al-Sharidi, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Husin Sitepu, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Received: May 13, 2020;       Accepted: Jun. 15, 2020;       Published: Sep. 14, 2020
DOI: 10.11648/j.ajmsp.20200501.11      View  104      Downloads  39
Abstract
This article describes a laboratory-based case study to remove methyl tertiary butyl ether (MTBE) from contaminated water with tungsten oxide (WO3) catalysts loaded with ruthenium (Ru) and platinum (Pt) metals. Characterization of the synthesized catalysts were conducted by using the: (i) X-ray powder diffraction (XRD) data for the purity, (ii) visible light reaction condition for MTBE, (iii) solid-phase micro-extraction (SPME) technique incorporated with gas chromatography mass spectrometry (GC-MS) to assist the MTBE photo-oxidation process, (iv) catalyst syntheses from different concentrations of Ru in WO3, nano-WO3, Pt in nano-WO3, and (v) formation of byproducts during photocatalytic degradation of MTBE by using the GC-MS. The results revealed that the catalysts mainly consists of WO3 phase and there is no additional peaks from the metals, indicating that the Ru and Pt metals are well dispersed on WO3. Approximately 96% to 99% of the MTBE removal can quickly and accurately be achieved with a nanostructured WO3 catalyst loaded with Pt under visible light radiation between 2.5h and 3h. Moreover, with a nanocomposite WO3 catalyst loaded with Pt, photocatalytic MTBE removal is higher than with the pure WO3 catalyst loaded with Ru, and the pure nanostructured and micron-sized WO3. Finally, the formation of byproducts during the MTBE photocatalytic degradation revealed that the MTBE degradation essentially proceeds via formation of formic acid and 1,1-dimethylethyl ester before its complete degradation.
Keywords
MTBE Photocatalytic Degradation, Ru and Pt Loaded in Pure-WO3 and nano-WO3 Catalysts, XRD, GC-MS, Visible Light Radiation
To cite this article
Saleh Hamad Al-Sharidi, Husin Sitepu, A Laboratory-Based Case Study to Remove MTBE from Contaminated Water with Pure-WO3 and Nano-WO3 Catalysts Loaded with Ru and Pt, American Journal of Materials Synthesis and Processing. Vol. 5, No. 1, 2020, pp. 1-9. doi: 10.11648/j.ajmsp.20200501.11
Copyright
Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Reference
[1]
Z. S. Seddigi, S. A. Ahmed, S. P. Ansari, N. H. Yarkandi, E. Danish, M. D. Y. Oteef, and M. Cohelan, “Photocatalytic Degradation of Methyl Tert-Butyl Ether (MTBE): A Review,” Adv. Env. Res., Vol. 3 No. 1, pp. 11-28, 2014.
[2]
M. N. Siddiqui and M. A. Gondal, “Nanocatalyst Support of Laser-Induced Photocatalytic Degradation of MTBE,” J. Environ. Sci., Vol 49, pp. 52-58, 2014.
[3]
R. L. Zhang, G. Q. Huang, J. Y. Lian, and X. G. Li, “Degradation of MBTE and TBA by a New Isolate from MTBE Contaminated Soil,” J. Environ. Sci., Vol. 19, pp. 1120-1124, 2007.
[4]
I. Levchuk, A. Bhatnagar, M. Sillanpää, “Overview of Technologies for Removal of Methyl Tert-Butyl Ether (MTBE) from Water,” Sci. Total Env., Vol. 476-477, pp. 415-433, 2014.
[5]
P. Roslev, T. Lentz, and M. Hesselsoe, “Microbial Toxicity of Methyl Tert-Butyl Ether (MTBE) Determined with Fluorescent and Luminescent Bioassays,” Chemosphere, Vol. 120, pp. 284-291, 2014.
[6]
L. L. P. Lim and R. Lynch, “Hydraulic Performance of a Proposed In Situ Photocatalytic Reactor for Degradation of MTBE in Water,” Chemosphere, Vol. 82, No. 4, pp. 613-620, 2011.
[7]
L. L. P. Lim and R. J. Lynch, “In Situ Photocatalytic Remediation of MTBE Contaminated Water: Effects of Organics and Inorganics,” Appl. Catal. A: General, Vol. 394, No. 1-2, pp. 52-61, 2011.
[8]
Z. S. Seddigi, A. Bumajdad, S. P. Ansari, S. A. Ahmed, E. Y. Danish, N. H. Yarkandi, et al., “Preparation and Characterization of Pd Doped Ceria-ZnO Nanocomposite Catalyst for Methyl Tert-Butyl Ether (MTBE) Photo-Degradation,” J. Hazard Mater., Vol. 264, pp. 71-78, 2014.
[9]
G. Alfonso-Gordillo, C. M. Flores-Ortiz, L. Morales-Barrera, and E. Cristiani-Urbina, “Biodegradation of Methyl Tertiary Butyl Ether (MTBE) by a Microbial Consortium in a Continuous Up-Flow Packed Bed Biofilm Reactor: Kinetic Study, Metabolite Identification and Toxicity Bioassays,” PLOS ONE, pp. 1-21, 2016.
[10]
S. H. Sharidi, “Development of Visible Light-Active Catalyst for MTBE Removal from Ground Water,” M. S. Thesis, KFUPM, 2012.
[11]
S. H. Sharidi, H. Sitepu and N. M. AlYami, “Application of Tungsten Oxide (WO3) Catalysts Loaded with Ru and Pt Metals to Remove MTBE from Contaminated Water: A Case of Laboratory-Based Study,” IMPACT: International Journal of Research in Engineering & Technology, ISSN (P): 2347-4599; ISSN (E): 2321-8843; Impact Factor (JCC): 3.9074, Vol. 6, Issue 8, Aug 2018, 19-30.
[12]
H. Sitepu, B. H. O’Connor, and D. Y. Li, “Comparative Evaluation of the March and Generalized Spherical Harmonic Preferred Orientation Models Using X-ray Diffraction Data for Molybdite and Calcite Powders,” J. Appl. Cryst., Vol. 38, No. 1, pp. 158-167, 2005.
[13]
H. Sitepu, “Rietveld Phase Analysis of Deposits Formed at Different Locations within Electri¬c Submersible Pumps,” Adv. X-ray Anal., Vol. 63, 2020, In print.
[14]
H. Sitepu, and R. A. Al-Ghamdi, “Quantitative Phase Analysis of XRD Data of Sludge Deposits from Refineries and Gas Plants by Use of the Rietveld Method,” Adv. X-ray Anal., Vol. 62, pp. 45-57, 2019.
[15]
T. Degen, M. Sadki, E. Bron, U. König, and G. Nénert, “The HighScore Suite,” Powder Diffr., Vol. 29, pp. S13-S18, 2014.
[16]
ICDD, “PDF-4+ 2019 (Database),” edited by Dr. Soorya Kabekkodu, International Centre for Diffraction Data, Newtown Square, PA, USA, 2018.
[17]
N. V. Y. Scarlett, I. C. Madsen, L. M. D. Cranswick, T. Lwin, E. Groleau, G. Stephenson, M. Aylmore, and N. Agron-Olshina, “Outcomes of the International Union of Crystallography Commission on Powder Diffraction Round Robin on Quantitative Phase Analysis: samples 2, 3, 4, synthetic bauxite, natural granodiorite and pharmaceutical,” Journal of Applied Crystallography, Vol. 35, 2002, 383-400.
[18]
B. H. O’Connor, D. Y. Li, and H. Sitepu, “Strategies for preferred orientation corrections in X-ray powder diffraction using line intensity ratios,” Advances in X-Ray Analysis, Vol. 34, 1991, 409-415.
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