PENGARUH NON-CONDENSABLE GAS (UDARA) PADA PENGEMBUNAN PARSIAL SISTEM N-HEKSAN - ETANOL

Bregas S T Sembodo

Abstract

The objective of the research is to seek the effect of the concentration of air, as a non-condensable gas, towards mass transfer coefficient and heat transfer coefficient on the condensation of n-hexane-ethanol vapor. The experiment was carried out in the vertical double pipe condenser with the length, inner and outer diameter of the tube was 1 m, 1. 1 cm and 1.25 cm, respectively. The diameter of annulus was 3,25 cm. Water, as a cold fluid, flowed in the annulus side while the n-hexane vapor, ethanol vapor and air flowed in the tube side. In the interval of air concentration studied (9.92% to 33.91% mole) the heat transfer coefficient of gas (hg}, the mass transfer coefficient of n-hexane (kg1) and ethanol (kg2) was down significantly.

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References

Coulson, J.H, and Richardson, J.F., "Chemical Engineering", vol.6, Pergamon Press, Oxford, 1983, pp. 253,264

Gussler, E.L., "Diffusion Mass Transfer in Fluid System", Cambridge University Press, Cambridge, 1984, pp. 105-115

Gerald, C.F. and Wheatley, P.O., "Applied Numerical Analysis", 3rd edition, Addison-Wesley Publishing Company, Massachusetts, 1984, pp. 254-256, 332-333

Hoffman, E.J., "Partial Condensation by the Methods of Simultaneous Heat and Mass Transfer", A.I.Ch.E Journal, ..11 ?. 1971, pp. 741-744 Kern, D.Q., "Process Heat Transfer", International Student Edition, McGrawHill Kogakusha, Ltd., Tokyo, 1950

Rudd, D.F. and Watson, C.C, "Strategy of Process Engineering", John Wiley & Sons, New York, 1968, pp. 170-172

Schrodt, J.T., "Simultaneous Heat and Mass Transfer from Multicomponent Condensing Vapor-Gas Systems", A.I.Ch.E Journal, 19 {i), 1973, pp.753- 754

Sparrow, E.M. and Eckert, E.R.G., "Effect of Superheated Vapor and Noncondensable Gas on Laminar Film Condensation", A. I.Ch. E Journal, Z .@), 1961, pp. 473-477

DOI: https://doi.org/10.20961/ekuilibrium.v2i1.49562

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