METHOD OF CONTROLLING QUALITY OF PRODUCTS FROM SEPARATION OF PETROLEUM MIXTURES BY RECTIFICATION PROCESS Russian patent published in 1996 - IPC

FIELD: petrochemical industry and petroleum processing. SUBSTANCE: invention relates, in particular, to methods of automatically controlling quality indexes of rectification column side-cut distillates, such as viscosity and flash point, and can be used when separating crude oil and mazut on atmospheric and vacuum primary distillation columns. Quality indexes of products are controlled by means of calculating determining indexes of products on the basis of process variables, whereas quality indexes of these products are calculated on the basis of calculated values of determining indexes of products. Flows' rates, temperature, level and pressure in apparatuses, and determining indexes of quality of products are controlled taking into account calculated quality indexes of these products. EFFECT: facilitated automatic process control. 1 dwg