Abstract
Homogeneous catalysis offers many advantages that mainly originate from the structure of the catalyst. For example, most of the time, it is possible to control the steric and electronic properties of the active species by tuning the main central atom and ligands. Therefore, high activities and selectivities (regio-, chemio-, enantio-) can be expected. From an industrial point of view, the easy mixing and reaction heat removal ensure good temperature control and avoid any diffusion problem. Reaction section is simple and low investment costs are required for mild reaction conditions. Operations are flexible. Catalyst rate can be adjusted to reaction feed rate, taking into account the presence of feed impurities, to maintain the conversion and the selectivity. However, while the solubility of the catalyst constitutes a major advantage in terms of catalyst site availability, it also constitutes a major drawback in terms of catalyst separation, recycling (cost and complexity) and disposal. The quests for new catalyst immobilization or recovery strategies to facilitate its reuse are incessant. The attachment of the catalyst on a solid support has been widely studied but has not received, so far, industrial application.
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Olivier-Bourbigou, H., Hugues, F. (2003). Applications of Ionic Liquids to Biphasic Catalysis. In: Rogers, R.D., Seddon, K.R., Volkov, S. (eds) Green Industrial Applications of Ionic Liquids. NATO Science Series, vol 92. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0127-4_4
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DOI: https://doi.org/10.1007/978-94-010-0127-4_4
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