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Table 5 Experimental and predicted calorific values for method validation experiment

From: Production of biodiesel from coastal macroalgae (Chara vulgaris) and optimization of process parameters using Box-Behnken design

Chloroform (ml)

NaCl (%)

Temperature (°C)

Calorific value (kcal/kg)

Yield (ml)

Experimental

Predicted

Experimental

Predicted

118.8

0.7

55

9116.294

9147.441

3.1

3.0649

118.8

0.8

65

9123.083

9114.326

3

2.9529

158.4

0.75

65

9157.839

9176.299

3.2

3.2610

198

0.8

65

9204.372

9222.489

3.4

3.4201