Table 2 Comparison of simulation results based on the developed system of models, known deterministic, statistical models and production and experimental data with DCU Atyrau refinery.

Oil coke yield, \(\tilde{y}_{1} ,\) t/h

22.00

25.50

24.85

Volatility of coke, \(\tilde{y}_{2}\), %

– 

8.70

(9.00)^L

Ash content of coke, \(\tilde{y}_{3}\), %

– 

0.27

(0.28)^L

Vapor volume of petroleum products, \(y_{4} ,\) m³/h

5.35

5.43

5.45

Gasoline yield, \(y_{5}\), t/h

9.80

10.75

10.30

Light gas oil yield, \(y_{6} ,\) t/h

36.50

35.70

35.20

Heavy gas oil yield, \(y_{7} ,\) t/h

32.80

27.20

30.50

Secondary raw materials yield, \(y_{8} ,\) t/h

27,50

29,70

29.10

Gasoline quality, \(\tilde{y}_{9} ,\) °C

 − 

51

(51.3)^L

Light gas oil quality, \(\tilde{y}_{10} ,\) °C

 − 

175

(175)^L

Heavy gas oil quality, \(\tilde{y}_{11} ,\) °C

 − 

230

(230)^L

Heated primary raw material yield, \(y_{12} ,\) t/h

103

103.05

103.50

Temperature of heated raw material, \(y_{13} ,\) °C

390

385

386

Heated secondary raw material yield, \(y_{14} ,\) t/h

27.10

29.70

29.60

Temperature of heated secondary raw material, \(y_{15} ,\) ^oC

495

493

493