Abstract
The output and composition of decomposition gases were calculated in atmospheric resid heating furnaces before vacuum distillation with the KREKING program developed at Kedr-89 Co., which provides for calculating processes of thermal decomposition of feedstock in the coils of reaction and heating furnaces. The results obtained were compared with the published experimental data and the results of calculation with an empirical equation used in the PRO II modeling system. Their poor agreement with the experimental values of the output of decomposition gases and concentrations of C 3 -C 5 hydrocarbons in them was demonstrated.
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