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nature : the use of urea with the oil n-alkanes to form a complex mechanism of the low production of condensate oil dewaxing method. Sub-dry and wet. Dry is the activating agent additions under the direct use of solid urea. Wet is the use of urea solution. A common solvent dichloroethane, ethanol, isopropanol, etc.. Complex by the thermal decomposition, recycling of urea can be reused. Dewaxing produce urea through freezing point below -45 ° C aviation kerosene, diesel tanks, jet oil, hydraulic oil, transformer oil and frozen oil.
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