A Comparative Evaluation of Hydrogenation of 3-Butyn-2-ol over Pd/Al2O3 in an Oscillatory Baffled Reactor and a Commercial Parr Reactor

Francisca Navarro-Fuentes, Mark Keane, Xiong-Wei Ni

Research output: Contribution to journalArticle

Abstract

A multiphase catalytic hydrogenation of 3-butyn-2-ol over Pd/Al2O3 to produce 3-buten-2-ol was for the first time investigated in both an oscillatory baffled reactor (OBR) and a commercial stirred tank reactor (Parr). Catalytic control was first identified in the Parr by evaluating the effects of mixing, initial molar ratio of 3-butyn-2-ol/Pd, and temperature on reaction rate. These conditions were then used as the benchmark for a comparable evaluation of the OBR in terms of reactor efficiency (power consumption) and hydrogen utilization (H2 efficiency). Our systematic investigations demonstrate that, due to the enhanced mass transfer in the OBR, it consumes 5 times less power to achieve the same reaction rate and delivers 2.3 times higher H2 efficiency and 50% less reaction time in comparison to the Parr.

LanguageEnglish
Pages38–44
Number of pages7
JournalOrganic Process Research and Development
Volume23
Issue number1
Early online date24 Dec 2018
DOIs
StatePublished - 18 Jan 2019

Fingerprint

Hydrogenation
hydrogenation
reactors
Reaction rates
evaluation
reaction kinetics
Hydrogen
Electric power utilization
Mass transfer
power efficiency
reaction time
mass transfer
3-butyn-2-ol
hydrogen
Temperature
temperature

Keywords

  • commercial Parr reactor
  • heterogeneous catalysis
  • multiphase hydrogenation
  • oscillatory baffled reactor

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry

Cite this

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abstract = "A multiphase catalytic hydrogenation of 3-butyn-2-ol over Pd/Al2O3 to produce 3-buten-2-ol was for the first time investigated in both an oscillatory baffled reactor (OBR) and a commercial stirred tank reactor (Parr). Catalytic control was first identified in the Parr by evaluating the effects of mixing, initial molar ratio of 3-butyn-2-ol/Pd, and temperature on reaction rate. These conditions were then used as the benchmark for a comparable evaluation of the OBR in terms of reactor efficiency (power consumption) and hydrogen utilization (H2 efficiency). Our systematic investigations demonstrate that, due to the enhanced mass transfer in the OBR, it consumes 5 times less power to achieve the same reaction rate and delivers 2.3 times higher H2 efficiency and 50{\%} less reaction time in comparison to the Parr.",
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A Comparative Evaluation of Hydrogenation of 3-Butyn-2-ol over Pd/Al2O3 in an Oscillatory Baffled Reactor and a Commercial Parr Reactor. / Navarro-Fuentes, Francisca; Keane, Mark; Ni, Xiong-Wei.

In: Organic Process Research and Development, Vol. 23, No. 1, 18.01.2019, p. 38–44.

Research output: Contribution to journalArticle

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