Effect of Feeding Condition on Crystal Size Distributions of Mono-Dispersed SrSO_4 Particles Produced via PEI-Assisted Double-Jet Reactive Crystallization
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概要
- 論文の詳細を見る
Micron-sized SrSO4 particles having mono-dispersed/narrow distributions have been produced with a double-jet semi-batch reactive crystallizer. Slow molar feedings over a short time maintained proper supersaturation levels and result in narrow distributions due to the prevention of agglomeration growth of small primary precipitates. Furthermore, polyethylenimine (PEI) is a suitable growth/agglomeration inhibitor for sulfate precipitation, e.g., SrSO4 and PbSO4, and effectively reduced particle sizes leading to single-micron products. Besides feeding conditions, in the present work, the influence of PEI dosage on crystal size distributions (CSDs) is investigated. The controlled double-jet feeding using a polyelectrolyte additive such as PEI will be a powerful methodology to obtain agglomeration-free uniform micro-powders as a final solid product.
- 社団法人 化学工学会の論文
- 2010-03-01
著者
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HIRASAWA Izumi
Department of Applied Chemistry, School of Science and Engineering, Waseda University
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Sakuma Takahiro
Department Of Aging Medicine And Geriatrics Shinshu University School Of Medicine
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MIKAMI Takashi
Department of Drug Safety Research, Eisai Kawashima Research Laboratories, Eisai Co., Ltd.
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Sakuma Takahiro
Department Of Applied Chemistry Graduate School Of Advanced Science And Engineering Waseda Universit
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Hirasawa Izumi
Department Of Applied Chemistry Graduate School Of Advanced Science And Engineering Waseda Universit
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Mikami Takashi
Department Of Applied Chemistry Graduate School Of Advanced Science And Engineering Waseda Universit
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