| Resuspension of wall deposits in spray dryers |
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| 作者姓名： | HANUS M.J. LANGRISH T.A.G. |
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| 作者单位： | School of Chemical and Biomolecular Engineering, University of Sydney, Sydney, NSW 2006, Australia |
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| 摘 要： |
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| 关 键 词： | 侧壁掺杂 喷雾干燥 干燥微粒物 粘合剂 |
| 收稿时间： | 4 April 2007 |
| 修稿时间： | 2007-04-04 |
Resuspension of wall deposits in spray dryers |
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| HANUS M.J. LANGRISH T.A.G..Resuspension of wall deposits in spray dryers[J].Journal of Zhejiang University Science,2007,8(11):1762-1774. |
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| Authors: | Hanus M J Langrish T A G |
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| Institution: | (1) School of Chemical and Biomolecular Engineering, University of Sydney, Sydney, NSW, 2006, Australia |
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| Abstract: | Wall deposition occurs in spray dryers when dried or partially dried particles contact and adhere to the walls during operation, thus reducing the yield of product collected. Wall deposits also present a product contamination risk and a fire or explosion risk when spray drying products that oxidize exothermically, such as milk powder. Re-entrainment is the resuspension of spray dryer wall deposits into the main gas stream for collection as product. Literature suggests that the process for re-entrainment of particles from spray dryer wall deposits is strongly dependent on particle size and gas velocity. |
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| Keywords: | Wall deposition Spray dryers Dried particles Re-entrainment Adhesive forces |
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