Hydrolysis of imidazole and 2‐chloropyridine under subcritical and supercritical water conditions | Zendy

BarreraVentura Carmen | Zendy; Salvatierra Dolors | Zendy; Giralt Francesc | Zendy; Giralt Jaume | Zendy

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Hydrolysis of imidazole and 2‐chloropyridine under subcritical and supercritical water conditions

Author(s) -

BarreraVentura Carmen,

Salvatierra Dolors,

Giralt Francesc,

Giralt Jaume

Publication year - 2013

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.21742

Subject(s) - supercritical fluid , imidazole , hydrolysis , chemistry , reaction rate constant , solvent , kinetics , organic chemistry , inorganic chemistry , physics , quantum mechanics

Imidazole and 2‐chloropyridine were used as model molecules to investigate the acid hydrolysis kinetics of agrochemicals in high‐temperature water in a batch reactor system at 28 MPa. Pseudo‐first‐order hydrolysis reaction rate constants for the acid hydrolysis of Imidazole and 2‐chloropyridine were determined in the temperature ranges 200–600 and 400–575°C, respectively, at 28 MPa. Rate constants for both compounds increased with temperature with a local maximum observed at around 400°C due to changes in the physical properties of the solvent. Imidazole and 2‐chloropyridine conversions of 0.95 and 0. were respectively attained at the highest temperature after 30 min of reaction. © 2012 Canadian Society for Chemical Engineering

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