用尿素脱蜡方法生产出来的液体蜡，一般都含有3～10%的芳香烃。
The liquid paraffins obtained from urea-dewaxing process generally contain aromatic hydrocarbons in the range of 3~10%.
以大庆直馏柴油为原料，经异丙醇尿素脱蜡制得纯度较高的重质液体石蜡和低凝点脱蜡油。
High purity heavy liquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.
本发明是对尿素异丙醇脱蜡过程的改进。
The present invention is an improvement of dewaxing process of isopropanol and urea.
本发明是对尿素异丙醇脱蜡过程的改进。
The present invention is an improvement of dewaxing process of isopropanol and urea.
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