The effects of the three dewaxing solvents, including low benzene content, medium benzene content and no benzene, were compared by test data. The advantages of MIBK solvent was demonstrated.

并以试验室数据，对低苯量、中苯量、无苯三种脱蜡溶剂的脱蜡效果进行比较，论证了MIBK溶剂的优越性。

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The reasons of containing water in solvent in ketone-benzol dewaxing unit and the disadvantageous influence are introduced.

介绍了酮苯脱蜡装置溶剂含水原因及对生产过程的不利影响。

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Bright stock Refined, high viscosity lubricating oil usually made residual stocks by suitable treatment, such as a combination of acid treatment or solvent extraction with dewaxing or clay finishing.

加工处理的方式包括：酸处理(或溶剂萃取)脱蜡(或粘土精制)相结合。

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