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Synthesis of hierarchically porous zeolite A crystals with uniform particle size in a droplet microreactor SCIE SCOPUS

Title
Synthesis of hierarchically porous zeolite A crystals with uniform particle size in a droplet microreactor
Authors
Hoang, PHYoon, KBKim, DP
Date Issued
2012-06
Publisher
ROYAL SOC CHEMISTRY(ENGLAND )
Abstract
Simple and fast synthesis of zeolite A nanocrystals with uniform particle size and bimodal mesoporous-microporous distribution is presented. It takes only tens of minutes to synthesize rather than hours to days that are usually needed. A microfluidic system is devised and used for the hydrothermal synthesis, in which monodispersed nanolitre droplets containing a gel type precursor solution are generated in a lab-on-a-chip part of the system and then passed through a capillary tube part at 100 degrees C. A water-soluble alginate polymer was introduced into the gel to generate a hierarchically mesoporous-microporous zeolite A crystals with around 100 nm particle size and high crystallinity, which showed a superior catalytic performance in alkyl borate synthesis. The approach presented here could open a new avenue for producing high quality inorganic nanoparticles continuously with no clogging problem that is inherent in the synthesis of nanoparticles.
URI
https://oasis.postech.ac.kr/handle/2014.oak/12841
DOI
10.1039/C2RA20074K
ISSN
2046-2069
Article Type
Article
Citation
RSC Advances, vol. 2, no. 12, page. 5323 - 5328, 2012-06
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김동표KIM, DONG PYO
Dept. of Chemical Enginrg
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