A RISE IN SOLID HOLDUP IN AN ASCENDING FLOW TYPE GAS-SOLID CONTACTOR WITH THE USE OF INERTIAL GAS-SOLID SEPARATOR |
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Authors: | Kenichi Ushiki Takashi Nakamura Yasutaka Tanaka Shinichi Yuu |
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Affiliation: |
a Department of Mechanical Engineering, Government Industrial Research Institute Nagoya, Agency of Industrial Science & Technology, Ministry of International Trade & Industry, Nagoya, Japan
b Department of Mechanical Engineering, Kyushu Institute of Technology, Kitakyushu, Japan |
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Abstract: | A new internal-circulation gas-solid contactor has been developed to improve and simplify the operation and the structure of the existing circulating fluidized bed (CFB). The contactor consists of a column in which an ascending-flow-type inertial gas-solid separator is equipped to return the solids to the column. To keep gas-solid contact effective, the contactor is operated at a gas velocity above the terminal settling velocity of solid panicles (like the existing CFB). Characteristics of the separator and the rise in holdup in the contactor are described. |
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Keywords: | Solids holdup Gas-solid contactor Fluidized bed Separations |
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