Highly efficient catalytic systems based on Pd-coated microbeads

Title
Highly efficient catalytic systems based on Pd-coated microbeads
Authors
구종민이승환임진현조아영박범교강동우유태경박범준
Issue Date
2018-01
Publisher
Applied surface science
Citation
VOL 429-114
Abstract
The efficiency of two prototype catalysis systems using palladium (Pd)-coated microparticles was investigated with regard to the recovery and recyclability of the catalytic particles. One such system was the interface-adsorption method, in which polymer particles coated with Pd nanoparticles strongly and irreversibly attach to the oil-water interface. Due to the irreversible adsorption of the catalytic particles to the interface, particle loss was completely prevented while mixing the aqueous solution and while collecting the products. The other system was based on the magnetic field-associated particle recovery method. The use of polymeric microparticles containing Pd nanoparticles and magnetite nanoparticles accelerated the sedimentation of the particles in the aqueous phase by applying a strong magnetic field, consequently suppressing drainage of the particles from the reactor along the product stream. Upon multiple runs of the catalytic reactions, it was found that conversion does not change significantly, demonstrating the excellent recyclability and performance efficiency in the catalytic processes.
URI
http://pubs.kist.re.kr/handle/201004/68902
ISSN
0169-4332
Appears in Collections:
KIST Publication > Article
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