尿素脱蜡urea dcwaxin}利用尿素与油中直链或接近_直链的烷烃形成络合物来降低油Gnn凝点的过程。烷烃与尿素形成的络合物中尿素分子在烃链周围呈螺旋形排列。
... 尿素脱蜡;urea dewaxing 尿素脱蜡;urea dewaxing 临氢降凝;催化脱蜡;hydrodewaxing ...
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异丙醇法尿素脱蜡过程 isopropanol urea dewaxing process
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.
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