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Synthesis of Highly Pure Na-P1 Zeolite by NaOH Fusion Treatment of Fly Ash
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 Title & Authors
Synthesis of Highly Pure Na-P1 Zeolite by NaOH Fusion Treatment of Fly Ash
Choi, Choong-Lyeal; Lee, Dong-Hoon; Lee, In-Jung; Shin, Dong-Hyun; Kim, Jang-Eok; Park, Man;
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This study was conducted to elucidate the effects of NaOH fusion treatment on Na-P1 zeolite synthesis from fly ash and to evaluate its optimal condition. NaOH fusion treatment of fly ash led to Na-P1 zeolite with shorter reaction time and higher quality compared that of simple hydrothermal method. Mixed zeolite phases of Na-P1 and hydroxy sodalite were formed by the fusion treatment below , whereas only Na-P1 zeolite was formed above . Ratio of NaOH/fly ash, reaction times, fusion temperature and solid/liquid ratio strongly affected the kind and crystallinity of the zeolite formed. The CEC of Na-P1 zeolite formed at the optimum reaction conditions of NaOH/fly ash ratio 0.9 and solid/liquid ratio after NaOH fusion treatment at for 2 hours was about which was 40% higher than those of control products. Therefore, it is clear that NaOH fusion treatment of fly ash in open system could lead to Na-P1 zeolite with high purity.
Fly ash;Na-P1 zeolite;Hydrothermal;CEC;Crystallinity;
 Cited by
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Open System 수열반응을 통한 하수슬러지 소각 비산재의 Zeolite 합성가능성,이제승;엄석원;최한영;

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이산화탄소 흡착을 위한 폐 비산재의 제올라이트 합성,박찬정;이경미;이재근;하만영;

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