探讨了催化剂失活的原因，介绍了催化剂再生、用废催化剂精制石蜡及精制FCC柴油等利用方法，对我国废催化剂的处理具有一定的参考价值。
The reason why FCC catalyst would lost its activity is discussed in the paper and there are three methods proposed for treating:catalyst regeneration, refining wax; refining FCC diesel oil.
以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives.
本发 明方法具有工艺流程短、操作简便等特点，可以充分利用现有石蜡加氢装置进 行微晶蜡的精制生产。
The invention is characterized on short process flow, simple operation, etc, therefore, we can use the present ceresin wax hydrogenation devices to produce refining microcrystalline wax.
以深度精制的石蜡基馏分油为基础油，添加了各种添加剂，制备了轴承油l - FD68。
The Bearing oil L-FD68 were formulated from base oil obtained by deep-refining paraffinic crude and doped with various additives.
综述了国内外石蜡加氢精制工艺技术的现状，介绍了典型的工艺流程。
The present status of wax hydrofining technology was summarized and typical processes were introduced.
采用先进的加氢精制法生产的石蜡占85％左右，其中的关键技术是催化剂。
The output of paraffin products turned out by using the advanced hydrofining process made up 85% of the total, and the key technology is the catalysts.
采用先进的加氢精制法生产的石蜡占85％左右，其中的关键技术是催化剂。
The output of paraffin products turned out by using the advanced hydrofining process made up 85% of the total, and the key technology is the catalysts.
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