Catalyst deactivation, the loss over time of catalytic activity and selectivity is a problem of great and continuing concern in the practice of industrial catalytic processes. Catalyst regeneration procedures for fixed-bed reforming units can vary widely. While all regeneration procedures share common elements, it is very common for the procedures to have evolved over years as unit configurations and throughputs have changed. Sub-optimal regeneration procedures can have a number of negative impacts on subsequent operation. In this study two samples of catalytic reforming Pt/Al2O3 catalysts were obtained from operating fixed bed semi regenerative reactors which has run for 10,000 and 14000 hours. These samples which have undergone deactivation in the course of the operations were regenerated under varying conditions of temperature, pressure and chlorination to establish the appropriate regeneration conditions. The progress and extent of regeneration were monitored using FTIR, SEM, XRD, GC-MS and XRF. The carbon content and effectiveness of the regenerated catalysts were determined and the values were compared with that of fresh catalysts. The regenerated catalysts showed 98 – 99.5% of the catalyst activity under the conditions of temperature and pressure of 500°C and 15psi respectively. The established conditions are to guide economic operations of such units which to realize high quality reformates and long life of the catalysts.
| Published in | American Journal of Chemical Engineering (Volume 5, Issue 5) |
| DOI | 10.11648/j.ajche.20170505.12 |
| Page(s) | 98-110 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2017. Published by Science Publishing Group |
Catalytic Reforming, Deactivation, Regeneration, Catalyst Effectiveness, Catalyst Activity
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APA Style
Paul Chidi Okonkwo, Benjamin Aderemi, Taiwo Olamide Olori. (2017). Establishing the Appropriate Conditions of Regeneration of Cataytic Reforming Pt/AL2O3 Catalyst. American Journal of Chemical Engineering, 5(5), 98-110. https://doi.org/10.11648/j.ajche.20170505.12
ACS Style
Paul Chidi Okonkwo; Benjamin Aderemi; Taiwo Olamide Olori. Establishing the Appropriate Conditions of Regeneration of Cataytic Reforming Pt/AL2O3 Catalyst. Am. J. Chem. Eng. 2017, 5(5), 98-110. doi: 10.11648/j.ajche.20170505.12
AMA Style
Paul Chidi Okonkwo, Benjamin Aderemi, Taiwo Olamide Olori. Establishing the Appropriate Conditions of Regeneration of Cataytic Reforming Pt/AL2O3 Catalyst. Am J Chem Eng. 2017;5(5):98-110. doi: 10.11648/j.ajche.20170505.12
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Download@article{10.11648/j.ajche.20170505.12,
author = {Paul Chidi Okonkwo and Benjamin Aderemi and Taiwo Olamide Olori},
title = {Establishing the Appropriate Conditions of Regeneration of Cataytic Reforming Pt/AL2O3 Catalyst},
journal = {American Journal of Chemical Engineering},
volume = {5},
number = {5},
pages = {98-110},
doi = {10.11648/j.ajche.20170505.12},
url = {https://doi.org/10.11648/j.ajche.20170505.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20170505.12},
abstract = {Catalyst deactivation, the loss over time of catalytic activity and selectivity is a problem of great and continuing concern in the practice of industrial catalytic processes. Catalyst regeneration procedures for fixed-bed reforming units can vary widely. While all regeneration procedures share common elements, it is very common for the procedures to have evolved over years as unit configurations and throughputs have changed. Sub-optimal regeneration procedures can have a number of negative impacts on subsequent operation. In this study two samples of catalytic reforming Pt/Al2O3 catalysts were obtained from operating fixed bed semi regenerative reactors which has run for 10,000 and 14000 hours. These samples which have undergone deactivation in the course of the operations were regenerated under varying conditions of temperature, pressure and chlorination to establish the appropriate regeneration conditions. The progress and extent of regeneration were monitored using FTIR, SEM, XRD, GC-MS and XRF. The carbon content and effectiveness of the regenerated catalysts were determined and the values were compared with that of fresh catalysts. The regenerated catalysts showed 98 – 99.5% of the catalyst activity under the conditions of temperature and pressure of 500°C and 15psi respectively. The established conditions are to guide economic operations of such units which to realize high quality reformates and long life of the catalysts.},
year = {2017}
}
TY - JOUR T1 - Establishing the Appropriate Conditions of Regeneration of Cataytic Reforming Pt/AL2O3 Catalyst AU - Paul Chidi Okonkwo AU - Benjamin Aderemi AU - Taiwo Olamide Olori Y1 - 2017/11/02 PY - 2017 N1 - https://doi.org/10.11648/j.ajche.20170505.12 DO - 10.11648/j.ajche.20170505.12 T2 - American Journal of Chemical Engineering JF - American Journal of Chemical Engineering JO - American Journal of Chemical Engineering SP - 98 EP - 110 PB - Science Publishing Group SN - 2330-8613 UR - https://doi.org/10.11648/j.ajche.20170505.12 AB - Catalyst deactivation, the loss over time of catalytic activity and selectivity is a problem of great and continuing concern in the practice of industrial catalytic processes. Catalyst regeneration procedures for fixed-bed reforming units can vary widely. While all regeneration procedures share common elements, it is very common for the procedures to have evolved over years as unit configurations and throughputs have changed. Sub-optimal regeneration procedures can have a number of negative impacts on subsequent operation. In this study two samples of catalytic reforming Pt/Al2O3 catalysts were obtained from operating fixed bed semi regenerative reactors which has run for 10,000 and 14000 hours. These samples which have undergone deactivation in the course of the operations were regenerated under varying conditions of temperature, pressure and chlorination to establish the appropriate regeneration conditions. The progress and extent of regeneration were monitored using FTIR, SEM, XRD, GC-MS and XRF. The carbon content and effectiveness of the regenerated catalysts were determined and the values were compared with that of fresh catalysts. The regenerated catalysts showed 98 – 99.5% of the catalyst activity under the conditions of temperature and pressure of 500°C and 15psi respectively. The established conditions are to guide economic operations of such units which to realize high quality reformates and long life of the catalysts. VL - 5 IS - 5 ER -
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