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nature : to make lubricants under low temperature conditions to maintain good liquidity, which will be easier to remove the wax solidified, dewaxing. Dewaxing technology will be cold lubricant materials to low temperature, then put through filtration equipment solidification separated from the wax. As lubricant viscosity of raw materials, low temperatures become more sticky, small grains of wax, very difficult to filter, in order to solve this problem, the raw materials into lubricants diluted solvent, reducing oil viscosity and oil wax separation, so they are called solvent dewaxing. Now widely used solvent is a keto - mixed solvent benzene. One which can be used acetone, methyl ethyl ketone A, methyl isobutyl ketone A; Benzene for benzene and toluene. Dewaxing technology can not only reduce the pour point lubricants, paraffin products to be used for chemical and light industrial raw materials.
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