International Journal of Chemical Engineering / 2019 / Article / Tab 2

Research Article

Chemical-Enhanced Oil Recovery Using N,N-Dimethylcyclohexylamine on a Colombian Crude Oil

Table 2

Results obtained from crude oil extraction process using DMCHA as solvent.

EntryInitial quantitiesRatio
DMCHA : W
Obtained results
Mineral (g)Ob (g)Amine (mL)Wb (mL)Rec.b mineral (%)Extract (%)%CVRec.b amine (%)

1120.75451201 : 2.790.4112.43.728.9
89.8106.727.8

2121.5451201 : 2.789.3143.522.957.8
89.0103.535.6

3121.022.5451 : 290.773.617.653.3
86.774.053.3
91.798.948.9

4121.522.5451 : 288.395.74.053.3
88.888.351.1
89.592.553.3

5122.522.5451 : 292.269.29.753.3
91.883.855.6
88.074.853.3

6122.522.522.51 : 191.390.23.462.2
90.884.460.0
91.788.757.8

7a122.522.522.5a1 : 187.387.71.862.2
85.490.757.8
92.088.262.2

aFor this entry, brine (NaCl, 1500 mg/L) was used instead of water for evaluating the total dissolved solid effects on the extraction process. bO: crude oil; Rec.: recovered; W: water.

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