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http://dx.doi.org/10.4191/KCERS.2003.40.2.132

Synthesis of FAU(Faujasite)-type Zeolite with Variation of Synthesis Condition  

임형미 (요업기술원 신기능재료연구부)
김봉영 (요업기술원 신기능재료연구부)
남중희 (요업기술원 신기능재료연구부)
안병길 (요업기술원 신기능재료연구부)
오성근 (한양대학교 화학공학과)
정상진 (요업기술원 세라믹ㆍ건재부)
Publication Information
Abstract
The effect of synthesis condition, type of starting materials, mole ratio, mixing. aging, and crystallization temperature and time, on the size of FAU-type zeolite has been studied. Different mixing route may lead to the different phase of zeolite even with the same starting materials. In general, the size of particles is smaller after aging, especially at lower aging temperature. Two step mixture gel preparation method resulted to not only the reduction of crystallization time but also that of particle size, but without the aging of two mixture gels before the preparation of the overall gel in the second step, only the crystallization time was reduced, not the particle size. The FAU-type zeolite with average particle size 0.4$\mu$m and BET surface area 838 $m^2$/g was obtained from starting materials of liquid sodium silicate, sodium aluminate, and sodium hydroxide with two step preparation of mixture gel, aging of the mixture gels in two steps, which effectively reduced the crystallization time and particle size.
Keywords
FAU; Zeolite; Particle sire; Hydrothermal synthesis; Synthesis condition;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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