Bulk Physiognomies and Sara Constituents of Bituminous Sands from Ondo State, Nigeria

Journal of Petroleum & Environmental Biotechnology Pub Date : 2017-08-31 DOI:10.4172/2157-7463.1000338

V. Co, Osuji Lc, Onojake Mc

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引用次数: 2

Abstract

Bituminous sands obtained from six different locations in Ondo State, Nigeria were analysed. Physicochemical parameters were studied using American Standard Testing and Materials (ASTM) procedures and analysis of hydrocarbon and non-hydrocarbon fractions using Ultraviolet Visible Spectrophotometer were undertaken. Results obtained show: density (0.877-0.884 g/cm3); specific gravity (0.878-0.886); API gravity (28.133°API to 29.531°API); kinematic viscosity (0.440 cSt to 0.550 cSt); dynamic viscosity (0.290-0.360); cloud point (-15°C to -2°C); moisture content (775 ppm to 1761 ppm); gum content (605-1895 mg/100 ml) and pour point of <-34°C. Result of the Saturates, Aromatics, Resins and Asphaltene (SARA) analysis revealed; saturates; 44.139% to 69.436%, aromatics; 21.778% to 44.949%, resins; 11.067% to 28.369% and asphaltenes; 8.634% to 29.278%. They suggest that these bituminous sands have similar characteristics, can be classified as medium heavy oils on the API gravity scale, high in saturate hydrocarbons and low in asphaltene content which indicates their high hydrocarbon potential.

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尼日利亚翁多州沥青砂的整体地貌和主要成分

分析了从尼日利亚翁多州六个不同地点获得的沥青砂。采用ASTM (American Standard Testing and Materials)程序研究了理化参数，并采用紫外可见分光光度计对烃类和非烃类组分进行了分析。结果表明:密度(0.877 ~ 0.884 g/cm3);比重(0.878-0.886);API重力(28.133°API至29.531°API);运动粘度(0.440 cSt至0.550 cSt);动态粘度(0.290-0.360);浊点(-15℃至-2℃);水分含量(775 PPM至1761 PPM);胶含量(605-1895 mg/100 ml)，倾点<-34°C。饱和烃、芳烃、树脂和沥青质(SARA)分析结果使充满;芳烃44.139% ~ 69.436%;21.778% ~ 44.949%，树脂;11.067% ~ 28.369%沥青质;8.634%至29.278%。这些沥青砂具有相似的特征，在API比重尺度上可归类为中稠油，饱和烃含量高，沥青质含量低，具有较高的成烃潜力。

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Journal of Petroleum & Environmental Biotechnology

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