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Table 5 Calculation of energy consumption

From: Parametric study of glycerol and contaminants removal from biodiesel through solvent-aided crystallization

Run

Stirring rate (RPM)

Time (h)

FAME purity (%)

Volume of sample (m3)

Volumetric flowrate (m3/h)

Energy of propeller (kWh/m3)

Energy refrigerated (kWh/m3)

Total energy (kWh/m3)

1

300

0.583

99.17

0.0005

0.000857

2.9311

279.82

282.7525805

2

300

0.583

99.26

0.0005

0.000857

2.9311

279.82

282.7525805

3

300

0.583

99.38

0.0005

0.000857

2.9311

279.82

282.7525805

4

300

0.583

99.46

0.0005

0.000857

2.9311

279.82

282.7525805

5

300

0.583

99.34

0.0005

0.000857

2.9311

279.82

282.7525805

6

100

0.583

99.40

0.0005

0.000857

0.9768

279.82

280.7982609

7

200

0.583

99.52

0.0005

0.000857

1.9536

279.82

281.7750709

8

300

0.583

99.54

0.0005

0.000857

2.9311

279.82

282.7525805

9

400

0.583

99.49

0.0005

0.000857

3.9058

279.82

283.7272919

10

500

0.583

99.42

0.0005

0.000857

4.8828

279.82

284.7043351

11

300

0.333

99.37

0.0005

0.001501

1.6742

159.82

161.5036180

12

300

0.416

99.37

0.0005

0.001201

2.0915

199.66

201.7582736

13

300

0.500

99.38

0.0005

0.001000

2.5138

239.98

242.4979250

14

300

0.583

99.44

0.0005

0.000857

2.9311

279.82

282.7525805

15

300

0.666

99.46

0.0005

0.000750

3.3484

319.65

323.0072360