EFFECT OF PARTICLE-IMPELLER IMPACT RATE ON PROPERTIES OF PRODUCT CRYSTALS IN AGITATED CRYSTALLIZERS OF DIFFERENT SIZES
スポンサーリンク
概要
- 論文の詳細を見る
Crystallization experiments of aluminium potassium sulfate were carried out in agitated crystallizers of different sizes equipped with six-bladed Rushton disc turbines. Properties of the product crystals, that is the agglomerate ratio, the size distribution, the Sauter mean diameter and the total number of product crystals, were measured and the particle-impeller impact rate was calculated according to a correlation previously derived by the authors. By comparing these results, the effects of particle-impeller impact rate on the properties of product crystals were investigated. As a result, it was found that the total number of product crystals increases, the agglomerate ratio decreases and the size distribution becomes narrow with an increase in impact rate. The results obtained for agitated crystallizers of different sizes indicated that the same agglomerate ratio, size distribution or weight mean diameter of the product crystals is given at a constant mean energy dissipation rate throughout the vessel. On the other hand, the same dimensionless number of product crystals is obtained at a constant impeller tip speed for geometrically similar systems.
- 社団法人 化学工学会の論文
- 1994-10-20
著者
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Nakano Yosuke
Department of Cardiology, Saitama Cardiovascular Respiratory Center
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TAKAHASHI Koji
Department of Pediatrics, Nihon Kokan Hospital
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Shimizu Kenji
Department Of Chemical Engineering Iwate University
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Nakano Y
Interdisciplinary Graduate School Of Science And Technology Tokyo Institute Of Technology
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Nomura T
Shinto Scientific Co. Ltd. Tokyo
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Nomura Toshio
Trinity Lab. Co. Ltd.
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NOMURA TOSHIO
Shinto Scientific Co. Ltd.,
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HE YONGFU
Shinto Scientific Co., Ltd.
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Takahashi K
Department Of Chemistry And Chemical Engineering Yamagata University
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Takahashi Koji
Department Of Chemistry And Chemical Engineering Yamagata University
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Takahashi K
Department Of Materials Science And Engineering Yamagata University
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He Y
Univ. Queensland Queensland Aus
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Takahashi Koji
Department Of Aeronautics And Astronautics Kyushu University
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Shimizu Kenji
Department Of Chemical Engineering Faculty Of Engineering Iwate University
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Shimizu Kenji
Department Of Applied Chemistry And Molecular Science Iwate University
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Nomura Toshio
Shinto Scientific Co. Ltd.
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Nomura Toshio
Shinto Scientfflic Co., Ltd.
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TAKAHASHI Koji
Departent of Materials Science and Engineering,Faculty of Engineering,Yamagata University
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