THE KINETICS OF ESTERIFICATION OF AMMONIUM LACTATE WITH  n -BUTANOL

V. P. Meshalkin; Мешалкин В. П.; M. R. Kozlovskiy; Козловский М. Р.; R. A. Kozlovskiy; Козловский Р. А.; I. A. Kozlovskiy; Козловский И. А.; Ya. A. Ibatov; Ибатов Я. А.; M. C. Voronov; Воронов М. С.

doi:10.31857/S2686953522600714

THE KINETICS OF ESTERIFICATION OF AMMONIUM LACTATE WITH n-BUTANOL

Authors: Meshalkin V.P.¹^,2, Kozlovskiy M.R.¹, Kozlovskiy R.A.¹, Kozlovskiy I.A.¹, Ibatov Y.A.¹, Voronov M.C.¹
Affiliations:
1. Mendeleev University of Chemical Technology of Russia
2. Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
Issue: Vol 511, No 1 (2023)
Pages: 88-94
Section: PHYSICAL CHEMISTRY
URL: https://rjmseer.com/2686-9535/article/view/651971
DOI: https://doi.org/10.31857/S2686953522600714
EDN: https://elibrary.ru/GJULGU
ID: 651971

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Abstract

For the first time, the kinetics of the process of butyl lactate production by the interaction of ammonium lactate with n-butanol in the presence of water in the temperature range of 130–170°C in a closed system was studied as one of the stages of a new complex technology for the production of lactic acid and polylactide. The flow diagram of the process has been established. For the first time, a kinetic model of ammonium lactate esterification with n-butanol was proposed, considering the side formation of lactamide and the catalysis of esterification due to the acidity of lactic acid. The developed kinetic model can be used for mathematical modeling of the butyl lactate synthesis reactor.

Keywords

kinetics, butyl lactate, lactamide, ammonium lactate, n-butanol, lactic acid, esterification

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