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Desulfurization of Model Fuels with Carbon Nanotube/TiO2 Nanomaterial Adsorbents: Comparison of Batch and Film-Shear Reactor Processes

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Abstract

The effectiveness of carbon nanotube/TiO2 (CNT/TiO2) adsorbents to desulfurize model fuels containing various thiophenes was studied. The CNT/TiO2 adsorbents were characterized by scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX), and Fourier transform infrared spectroscopy (FTIR). Experiments carried out in the film-shear reactor and in a batch reactor were both very effective in removing various recalcitrant thiophenes (typically >80–90 % removal), but reactions in the film-shear reactor required far smaller TiO2 concentrations to be effective (0.01–0.1 wt/vol% vs. 1–10 % in the batch experiments). The effectiveness of the film-shear reactor is attributed to its ability to intimately mix the fuels and the CNT/TiO2 adsorbent. The CNT/TiO2 nanomaterial could be regenerated by heating without loss of desulfurization ability.

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Acknowledgments

The authors would like to acknowledge the support provided by King Abdulaziz City for Science and Technology (KACST) through the Science & Technology Unit at King Fahd University of Petroleum & Minerals (KFUPM) for funding this work through project No. 12-PET3009-04 as part of the National Science, Technology and Innovation Plan (NSTIP).

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Authors and Affiliations

  1. Department of Chemistry and Center of Research Excellence in Nanotechnology (CENT), King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia

    Mohammad N. Siddiqui, Tawfik A. Saleh, Munzir H. Aneel Mohammed, Chanbasha Basheer & Abdurrahman A. Al-Arfaj

  2. Department of Chemistry and Biochemistry, 1253 University of Oregon, Eugene, OR, 97403, USA

    David R. Tyler

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  1. Mohammad N. Siddiqui
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  2. Tawfik A. Saleh
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  3. Munzir H. Aneel Mohammed
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  4. Chanbasha Basheer
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  5. Abdurrahman A. Al-Arfaj
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  6. David R. Tyler
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Correspondence to David R. Tyler.

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Siddiqui, M.N., Saleh, T.A., Aneel Mohammed, M.H. et al. Desulfurization of Model Fuels with Carbon Nanotube/TiO2 Nanomaterial Adsorbents: Comparison of Batch and Film-Shear Reactor Processes. J Inorg Organomet Polym 26, 572–578 (2016). https://doi.org/10.1007/s10904-016-0342-6

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  • DOI: https://doi.org/10.1007/s10904-016-0342-6

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