Periodic Operation of Trickle Bed Reactor for Hydrogenolysis in Gas-Liquid-Liquid-Solid Four Phases.
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- Yamada Hiroshi
- Department of Chemical Engineering, Nagoya University
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- Goto Shigeo
- Department of Chemical Engineering, Nagoya University
書誌事項
- タイトル別名
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- Periodic Operation of Trickle Bed React
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Trickle bed reactors are the most common gas-liquid-solid three-phase reactors involving a solid catalyst, and gaseous and liquid reactants. If solvents in the liquid phase are indissoluble in each other, gas-liquid-liquid-solid four phases exist in the reactor. Deprotection of amino acid was studied in a trickle bed reactor as a typical example of a four-phase system. A reactant (carbobenzoxy phenylalamine) could be dissolved in an organic phase and hydrogenated to a product (phenylalanine) using a Pd/C solid catalyst. Phenylalanine had hydrophilic properties and transferred from the organic phase to the aqueous phase. When two liquids were continuously introduced into the four-phase reactor, the product (phenylalanine) was deposited on the surface of the catalyst and the catalytic activity gradually decreased. Periodic operation was adopted to solve this problem. Only distilled water was periodically introduced into the reactor to wash the catalyst, which could be completely regenerated after this washing period. The optimal reaction period was determined by simulation to obtain a high concentration of the product.
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 30 (3), 478-483, 1997
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
- 1390001204567129600
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- NII論文ID
- 130000020840
- 10002063114
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DyaK2sXktF2ktrs%3D
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- ISSN
- 18811299
- 00219592
- http://id.crossref.org/issn/00219592
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- NDL書誌ID
- 4240267
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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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- 使用不可