EXCESS VOLUMES OF HEAVY OIL-STOCKS MIXTURES + (KEROSENE OR XYLENE) AT 303 K

M. Al-Qamaje, Haidar

	EXCESS VOLUMES OF HEAVY OIL-STOCKS MIXTURES + (KEROSENE OR XYLENE) AT 303 K
Iraqi Journal of Chemical and Petroleum Engineering
Article 1, Volume 11, Issue 4, 2010, Pages 47-57
Author
Haidar M. Al-Qamaje
Abstract
Binary mixtures of three, heavy oil-stocks had been subjected to density measurements. The data had been acquired on the volumetric behavior of these systems. The heavy oil-stocks used were of good varity, namely 40 stock, 60 stock, and 150 stock. 40 stock is the lightest one with ˚API gravity 33.7 while 60 stock is middle type and 150 stock is heavy one, with ˚API gravity 27.7 and 23.8 respectively. Stocks with Kerosene or Xylene form non-ideal mixtures, for which excess volume can be positive or negative. Mixtures of heavy oil-stocks with paraffinic spike (kerosene) show negative excess volume. While, aromatic rings results a lower positive excess volume, as shown in xylene when blending with 40 stock and 60 stock but a negative excess volume when blending with 150 stock. The gravity of oil-stocks has an effect on excess volume when the oil-stocks spiked with Kerosene or Xylene. Those, 40 stock as typical light type resulted in minimum negative excess volume of -2.18, when it was spiked with the kerosene, while the spiked heavy oil-stock with kerosene gave a maximum excess volume of -11.2. The Redlich-Kister equation was used to fit the excess volume values, and the coefficients and estimate of the standard error values were presented.
Keywords
Excess volume; Mixing behavior; of mixing

Statistics Article View: 147 PDF Download: 86