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J Nanosci Nanotechnol. 2013 Aug;13(8):5736-43.

Ultrafast synthesis of LTA nanozeolite using a two-phase segmented fluidic microreactor.

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1
State Key Laboratory of Chemical and Engineering and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China.

Abstract

Fast synthesis of nanosized zeolite is desirable for many industrial applications. An ultrafast synthesis of LTA nanozeolite by the organic-additive-free method in a two-phase segmented fluidic microreactor has been realized. The results reveal that the obtained LTA nanozeolites through microreactor are much smaller and higher crystallinity than those under similar conditions through conventional macroscale batch reactor. By investing various test conditions, such as the crystallization temperature, the flow rate, the microchannel length, and the aging time of gel solution, this two-phase segmented fluidic microreactor system enables us to develop an ultrafast method for nanozeolite production. Particularly, when using a microreactor with the microchannel length of 20 m, it only takes 10 min for the crystallization and no aging process to successfully produce the crystalline LTA nanozeolites at 95 degrees C.

PMID:
23882827
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