On the investigation of a phase-transfer catalysis reaction in an oscillatory baffled reactor

B. Wilson, X. Ni, D. C. Sherrington

Research output: Contribution to journalArticle

Abstract

A liquid-liquid phase-transfer catalysis (PTC) system investigated in this work consists of two immiscible liquid phases, n-butyl bromide (BuBr, with toluene as an organic solvent) and sodium phenolate (NaOPh, dissolved in water), each containing a reagent. To initiate the reaction between reagents a phase-transfer mechanism is required, which is accomplished through the use of a phase-transfer catalyst (PT-Cat). The PT-Cat transfers one reagent from one phase to the other, whereupon the other reagent can react with the catalyst-reagent transient. In our work two types of PT-Cat, i.e., benzyltributylammonium chloride (BTAC) and tetrabutylammonium bromide (TBAB), were used. The PTC reaction is performed in both an oscillatory baffled reactor (OBR) and a stirred tank reactor (STR). In this paper we report our experimental results of reaction rates in the two reactors for a range of operating conditions. Our preliminary results indicate that the OBR has the capability of enhancing reaction rates above those observed in the STR.

Original languageEnglish
Pages (from-to)5300-5304
Number of pages5
JournalIndustrial and Engineering Chemistry Research
Volume40
Issue number23
Publication statusPublished - 2001

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Catalysis
Catalysts
Reaction rates
Liquids
Toluene
Phenol
Organic solvents
Water

Cite this

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On the investigation of a phase-transfer catalysis reaction in an oscillatory baffled reactor. / Wilson, B.; Ni, X.; Sherrington, D. C.

In: Industrial and Engineering Chemistry Research, Vol. 40, No. 23, 2001, p. 5300-5304.

Research output: Contribution to journalArticle

TY - JOUR

T1 - On the investigation of a phase-transfer catalysis reaction in an oscillatory baffled reactor

AU - Wilson, B.

AU - Ni, X.

AU - Sherrington, D. C.

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AB - A liquid-liquid phase-transfer catalysis (PTC) system investigated in this work consists of two immiscible liquid phases, n-butyl bromide (BuBr, with toluene as an organic solvent) and sodium phenolate (NaOPh, dissolved in water), each containing a reagent. To initiate the reaction between reagents a phase-transfer mechanism is required, which is accomplished through the use of a phase-transfer catalyst (PT-Cat). The PT-Cat transfers one reagent from one phase to the other, whereupon the other reagent can react with the catalyst-reagent transient. In our work two types of PT-Cat, i.e., benzyltributylammonium chloride (BTAC) and tetrabutylammonium bromide (TBAB), were used. The PTC reaction is performed in both an oscillatory baffled reactor (OBR) and a stirred tank reactor (STR). In this paper we report our experimental results of reaction rates in the two reactors for a range of operating conditions. Our preliminary results indicate that the OBR has the capability of enhancing reaction rates above those observed in the STR.

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