액적 분급 장치를 적용한 분무열분해 공정으로부터 합성된 실리카 분말의 특성

강윤찬; 주서희; 구혜영; 강희상; 박승빈; Yun Chan Kang; Seo Hee Ju; Hye Young Koo; Hee Sang Kang; Seung Bin Park

Korean Journal of Materials Research, Vol.16, No.10, 633-638, October, 2006

DOI10.3740/MRSK.2006.16.10.633 Export Citation

액적 분급 장치를 적용한 분무열분해 공정으로부터 합성된 실리카 분말의 특성

The Characteristics of Silica Powders Prepared by Spray Pyrolysis Applying Droplet Classification Apparatus

강윤찬 ^†, 주서희, 구혜영 , 강희상¹, 박승빈 ¹

건국대학교 화학공학과
¹한국과학기술원 생명화학공학과

Yun Chan Kang^†, Seo Hee Ju, Hye Young Koo , Hee Sang Kang¹, and Seung Bin Park¹

Department of Chemical Engineering, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Korea
¹Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Sceince and Technology, 373-1, Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea

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Silica powders with spherical shape and narrow size distribution were prepared by large-scale ultrasonic spray pyrolysis applying the droplet classification apparatus. On the other hand, silica powders prepared by large-scale ultrasonic spray pyrolysis without droplet classification apparatus had broad size distribution. Droplet classification apparatus used in this paper applied the principles of cyclone and dispersion plate with small holes. The droplets formed from the ultrasonic spray generator applying the droplet classification apparatus had narrow size distribution. The droplets with fine and large sizes were eliminated by droplet classification apparatus. The optimum flow rate of the carrier gas and diameter of the hole of the dispersion plate were studied to reduce the size distribution of the silica powders prepared by large-scale ultrasonic spray pyrolysis. The size distribution of the silica powders prepared by large-scale ultrasonic spray pyrolysis at the optimum preparation conditions was 0.76.

Keywords:spray pyrolysis;spray generator;silica powder

[References]

Pluym TC, Kodas TT, J. Mater. Res., 10, 1662 (1995)
Kang YC, Lenggoro IW, Okuyama K, Park SB, J. Electrochem. Soc., 146, 1227 (1997)
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Gurav A, Kodas TT, Pluym T, Xiong Y, Aerosol Sci. & Tech., 19, 411 (1993)
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Zhang CS, Messing GL, Huebner W, J. Aerosol Sci., 22, 585 (1991)
Chopra KL, Kainthla RC, Pandya DK, Thakoor AP, Physics of Thin Films, ed. G. Hass, M.H. Francombe and Y.L. Vossem (Academic Press, New York, USA, 1982) p.167 (1982)

[Related Articles]

[1] Pluym TC, Kodas TT, J. Mater. Res., 10, 1662 (1995)

[2] Kang YC, Lenggoro IW, Okuyama K, Park SB, J. Electrochem. Soc., 146, 1227 (1997)

[3] Kang YC, Park SB, Jpn. J. Appl. Phys., 38(12B), L1541 (1999)

[4] Kang YC, Roh HS, Bin Park S, Adv. Mater., 12(6), 451 (2000)

[5] Messing GL, Zhang SC, Jayanthi GV, J. Am. Ceram. Soc., 76, 2707 (1993)

[6] Gurav A, Kodas TT, Pluym T, Xiong Y, Aerosol Sci. & Tech., 19, 411 (1993)

[7] Leong KH, J. Aerosol. Sci., 18, 511 (1987)

[8] Zhang CS, Messing GL, Huebner W, J. Aerosol Sci., 22, 585 (1991)

[9] Chopra KL, Kainthla RC, Pandya DK, Thakoor AP, Physics of Thin Films, ed. G. Hass, M.H. Francombe and Y.L. Vossem (Academic Press, New York, USA, 1982) p.167 (1982)