International Journal of Chemical Separation Technology

Comparison of Theoretical and Experimental Investigation of Suspened Solids Sedimentation Model in Stagnant Water Environment on Crude Oil Degradation

  1. Chukwuemeke. P Ukpaka
  2. Ozioko F.C.
  3. Aguma Emenike

Abstract

In this investigation the developed model of Ukpaka’s, Stoker’s and Newton’s were compared with the determine values from the experimental data obtained in the suspended solid (TS) in a stagnant water environment. Theoretical and experimental data established in this research demonstrated a good match as well as the evaluated deviation error reveals acceptable range indicating the usefulness of these models in monitoring and predicting the TS sedimentation mechanism in crude oil degradation in the stagnant water environment. The comparisons of predicted suspended solids concentration in the polluted stagnant fresh water and salt water medium for weeks were monitored. Again, the predicted concentrations of suspended solids decreased uniformly as depth increased. For the stagnant freshwater, the suspended solids predicted by Ukpaka model decreased from  303.57mg/l to 129.45mg/l as depth increased from 0.25 to 1.25m, while the suspended solids predicted by the Stokes and Newton modified models decreased from 270.25mg/l and 179.55mg/l at 0.25m depth to115.24mg/l and 76.57mg/l at 1.25m depth respectively. Meanwhile, the experimental value deceased from 344.29 to 146.82mg/l as depth increased from 0.25 to 1.12m. For salt water, the predicted suspended solids by Ukpaka model decreased from 307.14mg/l to 132.14mg/l at 0.25 to 1.25m depth, while the suspended solids predicted by the Stokes and Newton modified models decreased from 284.69m/l and 247.46mg/l to 122.73mg/l and 106.68mg/l as depth increased from 0.25 to 1.25m respectively. Also, the suspended solids obtained from the experiment decreased from 314.34mg/l to 135.51mg/l.

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