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Minimization of Heavy Organic Deposition by the Application of Binary Mixtures of n-Alkane Solvents in the Oil and Gas Industry

S.E. Ofodile, N. Boisa, C.C. Obunwo and O.M. Frank*

The problem of heavy organic deposition in the production and processing of crude oil in the oil and gas industries is globally known. There had been work done to minimize the problem such as changes in temperature, pressure and composition. This study was designed to investigate how different ratios (v/v) of nC₅:nC₆; nC₅:nC₇; nC₅:nC₈; nC₆:nC₇; nC₆:nC₈ and nC₇:nC₈ affects controlled deposition. The results indicated varying optional (v/v) ratios for the different binary mixtures of Afiesere crude oil; that nC₅: nC₆ binary mixture ratios have a weight % heavy organic precipitation range of 1.02 to 2.42; nC₅: nC₇ binary mixture ratios have a weight % heavy organic precipitation range of 0.15 to 1.88; nC₅: nC₈ binary mixture ratios weight % heavy organic precipitation range of 0.16 to 1.88; nC₆: nC₇ weight % heavy organic precipitation range of 0.85 to 1.19; nC₆: nC₈ weight % heavy organic precipitation range of 0.60 to 1.19 and nC₇: nC₈ binary mixture ratios weight % heavy organic precipitation range of 0.54 to 0.93. Application of the output from this study may minimize deposition problem in the production industries.