Journal
CATALYSTS
Volume 11, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/catal11050591
Keywords
catalysis; heterogeneous catalysts; separation methods; recycling; recovery
Categories
Funding
- [2017FCFYHK]
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Fast separation and efficient recycling of catalysts are important requirements in catalytic reactions. Traditional methods for catalyst recovery are inefficient and impractical for industrial scale, leading to the current focus on developing new methods for effective separation and recycling.
The rapid separation and efficient recycling of catalysts after a catalytic reaction are considered important requirements along with the high catalytic performances. In this view, although heterogeneous catalysis is generally less efficient if compared to the homogeneous type, it is generally preferred since it benefits from the easy recovery of the catalyst. Recycling of heterogeneous catalysts using traditional methods of separation such as extraction, filtration, vacuum distillation, or centrifugation is tedious and time-consuming. They are uneconomic processes and, hence, they cannot be carried out in the industrial scale. For these limitations, today, the research is devoted to the development of new methods that allow a good separation and recycling of catalysts. The separation process should follow a procedure economically and technically feasible with a minimal loss of the solid catalyst. The aim of this work is to provide an overview about the current trends in the methods of separation/recycling used in the heterogeneous catalysis.
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