FIELD: chemical and petrochemical industries. SUBSTANCE: method for automatic control of dehydrogenation of ethyl benzene includes measurement of temperature of reaction production products and steam flow rate in heat exchanger. In this case, temperature of reactor top is measured, and steam flow rate in steam superheater is corrected depending on steam flow rate in heat exchangers and reaction product temperature and fuel gas flow rate is corrected depending on the steam flow rate in steam superheater and temperature of reactor top. EFFECT: higher efficiency. 1 dwg, 1 tbl
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