Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 73, Issue -, Pages 306-315Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2019.01.042
Keywords
Alginate hydrogel; Palladium nanoparticle; Catalyst; Catalyst support; Recyclability
Funding
- National Research Foundation (NRF) of Korea [NRF-2014R1A5A1009799, NRF-2017R1A2B4003123]
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We investigated the catalytic efficiency of alginate hydrogels used as a catalyst support. An alginate solution containing palladium and magnetic nanoparticles was dropped continuously through a tapered glass capillary using a syringe pump, and the generated alginate droplets were collected in an aqueous solution containing divalent cations. The prepared PdNPs/MNPs-embedded alginate particles were used as a catalyst, catalyst support, and magnetic stirrer for the reduction of 4-nitrophenol. The catalytic reactions were found to depend on the magnetic stirring of the alginate hydrogels. Furthermore, we examined the recyclability while changing the alginate concentration, divalent cation species, and incubation protocols. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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