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Properties of crude oil from indigenous oilseeds in Africa

机译：非洲土著油料种子的原油特性

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Properties of crude oil from four indigenous oilseeds in Africa (Kenya) were determined and their potential use as fuel, lubricants, hydraulic fluids, and brake fluids were evaluated. The oils were extracted chemically and mechanically usingpetroleum ether and ram press respectively. The properties determined included density which decreased linearly with increase in temperature, kinematic viscosity which decreased exponentially with increase in temperature, viscosity index, calorific value, ash content, flash point, specific heat, thermal conductivity, and pH value. Empirical equations were derived for the change of density and kinematic viscosity with temperature. Methods of extraction had significant effect on the ash content and flashpoint of the oils. The values obtained were compared to those of diesel and sunflower oil.
机译：确定了来自非洲（肯尼亚）的四种本土油籽的原油特性，并评估了其作为燃料，润滑油，液压油和制动液的潜在用途。分别使用石油醚和冲压机对油进行化学和机械萃取。所确定的性质包括密度随温度升高而线性降低，运动粘度随温度升高而呈指数下降，粘度指数，热值，灰分，闪点，比热，导热系数和pH值。得出了密度和运动粘度随温度变化的经验方程。提取方法对油的灰分和闪点有显着影响。将获得的值与柴油和葵花油的值进行比较。

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