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以中原原油直馏馏分为原料,用尿素络合法制得纯度较高的轻液体石蜡和低凝点煤油.研究络合反应温度、尿素用量、搅拌器转速、反应时间、络合物洗涤次数和洗涤剂用量等工艺参数对产品质量和收率的影响,得出适宜的生产条件.轻液体石蜡收率可达37%,产品质量符合二级标准.脱蜡油收率为59%左右,凝点低于60℃.
In the Central Plains crude oil straight-run distillate as raw material, urea complexation method to obtain high purity light liquid paraffin and low freezing point kerosene. The effects of process parameters such as the temperature of complexation reaction, the amount of urea, the speed of stirrer, the reaction time, the number of complex washing and the dosage of detergent on the product quality and yield were studied. The suitable production conditions were obtained. Light liquid paraffin yield up to 37%, product quality in line with secondary standards. The dewaxed oil yield is about 59%, the freezing point is lower than 60 ℃.