Experimental and Mathematical Analysis of the Kinetics of the Low-Waste Process of Butyl Lactate Synthesis

Valeriy P. Meshalkin, Roman A. Kozlovskiy (), Mikhail R. Kozlovskiy, Yaroslav A. Ibatov, Mikhail S. Voronov, Ivan A. Kozlovskiy, Tamara B. Chistyakova and Antony M. Nzioka
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Valeriy P. Meshalkin: Department of Chemical Technology of Basic Organic and Petrochemical Synthesis, D. Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia
Roman A. Kozlovskiy: Department of Chemical Technology of Basic Organic and Petrochemical Synthesis, D. Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia
Mikhail R. Kozlovskiy: Department of Chemical Technology of Basic Organic and Petrochemical Synthesis, D. Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia
Yaroslav A. Ibatov: Department of Chemical Technology of Basic Organic and Petrochemical Synthesis, D. Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia
Mikhail S. Voronov: Department of Chemical Technology of Basic Organic and Petrochemical Synthesis, D. Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia
Ivan A. Kozlovskiy: Department of Chemical Technology of Basic Organic and Petrochemical Synthesis, D. Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia
Tamara B. Chistyakova: Saint Petersburg State Institute of Technology, Technical University, St. Petersburg 190013, Russia
Antony M. Nzioka: Silla Entech Co., Ltd., Daegu 42709, Republic of Korea

Energies, 2023, vol. 16, issue 4, 1-10

Abstract: Butyl lactate is a green solvent produced from renewable materials through the reaction of ammonium lactate with n-butanol. It could be a source material for valuable products such as propylene glycol, acrylic acid, its derivatives, and the cyclic monomer of polylactic acid (PLA)—lactate. In this study, we present novel non-catalytic interactions of ammonium lactate and n-butanol carried out in the temperature range of 130–170 °C in a closed system. The study focused on the kinetic modelling of the reaction between ammonium lactate and n-butanol to derive a mathematical model for the reactor unit of butyl lactate synthesis. The aim of this work was to study the kinetics of the interaction between ammonium lactate and n-butanol, as well as to obtain a kinetic model of the process and its parameters. We suggested the chemical transformation routes and determined the kinetic model and parameters that adequately describe the process in a closed system within the studied condition range. The study proposes the first kinetic model that accounts for lactamide formation through two routes. This study showed that the high-temperature non-catalytic interaction of ammonium lactate and n-butanol could be one of the prospective synthesis routes.

Keywords: kinetics; butyl lactate; lactamide; ammonium lactate; n -butanol; lactic acid; esterification (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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