Mathematical simulation in enhancing of industrial pyrolysis of hydrocarbon gases and their mixtures with feedback

A general technique was developed for optimal designing pyrolysis with feedback of hydrocarbons C 2 -C 4 and their mixtures. Based on this technique, we carried out a study of industrial processes of pyrolysis of propane, ethane, and ethane with the butane-butylene fraction, developed their complete mathematical models that reflected the peculiarities of recycling, and on the basis thereof we defined optimal regimes of governing by these processes that differed significantly from those used in industry. We suggested new ways of governing by all three processes. The use of these ways will allow getting a significant profit by “Ethylene-Polyethylene” plant (Sumgayit). We demonstrated advantages of carrying out pyrolysis of various raw materials with recycling of unreacted raw materials compared with its conducting without recycling.