Industrial Automatic Control Systems and Controllers Annotation << Back Study of the Efficiency of the Automatic Control System of the Reaction Gas Temperature in the Process of Acrolein Purification Shestakov G.V., Medvedeva L.I. The article considers the system of automatic temperature control of the reaction gas in the process of purification of acrolein; the calculation of the transfer functions of the heat exchanger and the PID control law is given; the effectiveness of the control system is evaluated. Keywords: automatic control system, heat exchanger, reaction gas, temperature maintenance, efficiency, process optimization. DOI: 10.25791/asu.2.2025.1561 Pp. 03-07.