Dynamic Recovery of Palladium Particles Dispersed in a Polymer-Containing Acetone Solution by Precipitation of 2-(Dimethylamino)ethyl Methacrylate and Styrene Copolymers
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- Kajiwara Takafumi
- Department of Applied Chemistry, Saga University
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- Kasaishi Wataru
- Department of Applied Chemistry, Saga University
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- Morisada Shintaro
- Department of Applied Chemistry, Saga University
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- Ohto Keisuke
- Department of Applied Chemistry, Saga University
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- Kawakita Hidetaka
- Department of Applied Chemistry, Saga University
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<p>To recovery Pd particles in viscous acetone solution including nitrile butadiene rubber, the solution of water-soluble polymer, poly(styrene-2-(dimethylamino)ethyl methacrylate) (poly(styrene-DMAEMA)) were added, understanding especially the effect of copolymerization of styrene as well as fluid behavior in aim of applying to scale-up reactor. The added polymer was dehydrated, after which a poly(styrene-DMAEMA) precipitate containing Pd particles was obtained. By increasing the copolymerization percentage of styrene, the recovery percentage of the Pd particle varied dynamically from 60 to 80% due to the high affinity of the polymer to the Pd particle, high dehydration speed, dissolution speed of poly(styrene-DMAEMA), and size of the precipitate. In the scale-up batch mode, prolonged stirring corresponds to a high recovery percentage and mass transfer coefficient of the Pd particle. The optimum copolymerization percentage of styrene required to achieve the high recovery percentage and mass transfer coefficient in scale-up batch mode was determined to be 9%.</p>
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 53 (7), 280-286, 2020-07-20
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390285300176984576
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- NII論文ID
- 130007878337
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- NII書誌ID
- AA00709658
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 030531742
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
