Regeneration of Spent Catalyst and Impregnation of Catalyst by Supercritical Fluid - International Journal of Analytical Mass Spectrometry and Chromatography

IJAMSC > Vol.4 No.4, December 2016

International Journal of Analytical Mass Spectrometry and Chromatography

Volume 4, Issue 4 (December 2016)

ISSN Print: 2332-1768 ISSN Online: 2332-1776

Google-based Impact Factor: 0.7 Citations

Regeneration of Spent Catalyst and Impregnation of Catalyst by Supercritical Fluid ()

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Download as PDF (Size: 358KB) PP. 51-65

DOI: 10.4236/ijamsc.2016.44006 1,914 Downloads 5,261 Views Citations

Author(s)

Farid M. Gumerov¹, Bernard Le Neindre², Timur R. Bilalov¹, Ajrat A. Sagdeev³

Affiliation(s)

¹Federal State Budgetary Educational Institution of Higher Professional Education “Kazan National Research Technological University”, Kazan, Russia.
²Université Paris 13, Sorbonne Paris Cité, Laboratoire des Sciences des Procédés et des Matériaux, CNRS, (UPR 3407), F-93430, Villetaneuse, France.
³Federal State Educational Institution of Higher Professional Education Nizhnekamsk Chemical Technology Institute, Nizhnekamsk, Russia.

ABSTRACT

The possibility and feasibility of using supercritical fluid СО₂ extraction process have been investigated and described in the book as part of the task of spent catalysts regeneration. The analysis of deactivating compounds has been carried out for industrial catalysts such as: 1) palladium catalyst G-58E of ethane-ethylene fraction hydrogenation; 2) nickel/kieselguhr catalyst of process of separating acetylenic compounds from isoprene; 3) active aluminum oxide catalyst of methyl phenyl carbinol dehydration process; 4) palladium catalyst LD-265 of hydrocarbons hydrogenation process; 5) nickel-molybdenum catalysts DN-3531 and Criterion 514 of kerosene hydrotreating process. The results of the study of catalyst deactivating compounds solubility in pure supercritical carbon dioxide and supercritical carbon dioxide are modified with polar additive. The results of the solubility study are described using the Peng-Robinson equation of state. The results of the implementation of the supercritical fluid СО₂ extraction process with respect to deactivated industrial catalyst samples have been provided. A comparison of the characteristics of samples of catalysts regenerated using the traditional approach and the SC-CO₂ extraction process has been conducted. The possibility of using supercritical fluid CO₂ impregnation process in the synthesis of a palladium catalyst has been investigated. The synthesis of palladium chloride-based organometallic complexes has been carried out. The results of the study of solubility thereof in supercritical carbon dioxide have been provided. A dynamic supercritical fluid CO₂ impregnation process condition has been implemented. A comparison of the characteristics of palladium catalyst samples synthesized using the conventional approach and SC-CO₂ impregnation process has been conducted and presented in the book.

KEYWORDS

Palladium Catalyst G-58E, Nickel/Kieselguhr/Diatomite Catalyst, Active Aluminum Oxide Catalyst Palladium Catalyst LD-265, Nickel-Molybdenum Catalysts DN-3531 and Criterion 514, Catalyst Regeneration, Catalyst Activity, Benzonitrile Complex of Palladium Chloride, Styrene Complex of Palladium Chloride, Cyclohexene Complex of Palladium Chloride

Share and Cite:

Gumerov, F. , Neindre, B. , Bilalov, T. and Sagdeev, A. (2016) Regeneration of Spent Catalyst and Impregnation of Catalyst by Supercritical Fluid. International Journal of Analytical Mass Spectrometry and Chromatography, 4, 51-65. doi: 10.4236/ijamsc.2016.44006.

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