title: ÐÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ Ð¿ÑÐµÐ²Ð´Ð¾Ð°Ð´Ð¸Ð°Ð±Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÐºÐ°Ð»Ð¾ÑÐ¸Ð¼ÐµÑÑÐ¸Ð¸ Ð¸ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð´Ð»Ñ Ð¾ÑÐµÐ½ÐºÐ¸ ÑÐµÐ°ÐºÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐ¸ Ñ Ð¸Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ ÑÐµÐ°ÐºÑÐ¾ÑÐ¾Ð² Ð¿ÑÐ¸ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¸Ð¸ ÑÐºÐ·Ð¾ÑÐµÑÐ¼Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð° ÑÐ¼Ð¾Ð»
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Application of pseudoadiabatic calorimetry and mathematical modeling to assess the reaction hazard of chemical reactors during exothermic resin production processes
Creators: name: ÐÐ¾Ð¿Ð°ÑÐ¸Ð½, ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÐÐ°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÐÐ°Ð»Ð¾ÑÐ¸Ð¼ÐµÑÑÐ¸Ñ
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Ð¢ÐµÐ¿Ð»Ð¾Ð²ÑÐµ Ð²Ð·ÑÑÐ²Ñ
ÑÐµÐ¿Ð»Ð¾Ð²ÑÐµ ÑÐµÐ¶Ð¸Ð¼Ñ
thermal conditions

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description: Topic of the Master's dissertation: "Application of pseudoadiabatic calorimetry and mathematical modeling to assess the reaction hazard of chemical reactors during exothermic resin production processes". The purpose was to study the temperature-time modes of the production processes of phenol-formaldehyde resin in 4 different reactors of a BATCH type and recommend for efficient and safe modes of conducting technological processes that would exclude the possibility of a thermal explosion. The tasks that were solved during the study included: - analysis and processing of the data of the adiabatic experiments; -Â creation of mathematical models of reactions (formal-kinetic models) that describe the patterns of heat generation by the reactions occuring in the resin at normal and elevated initial pressures, based on the data of an adiabatic experiment; - evaluation of the heat transfer coefficient for reactors and the effective thermal conductivity of the resin that allows imitation of the contribution convective heat transfer in the resin when applying the model of conductive internal heat transfer; - simulation of time variations of temperature fields in the BATCH reactors; - assessment of thermal explosion hazards of the processes at various process stages; -Â making recommendations on ambient temperatures and residence times during technological stages that exclude the development of a thermal explosion and provide feasibility of the processes. The study was implemented on the basis of data provided by the DEKRA research laboratory [20], such as data from pseudoadiabatic experiments, results of a physical experiment on heating the resin in an industrial reactor, types and construction parameters of reactors. The analysis was carried out using the TSS ARKS software, an integrated system for assessing reactive hazards of chemical products and chemical processes, developed by CISP Ltd. As a result, formal kinetic models of reactions were created, technological processes of resin production in 4 different reactors were analyzed, mathematical modeling of the thermal modes of each of the processes was performed, and recommendations were made to eliminate the risk of a thermal explosion and provide effective temperature-time regimes.