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.
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 substitute for the Carnauba wax was synthesized by catalytic oxidation of paraffin and microcrystalline under acidic catalyst and then using physical blending method.
在酸性催化剂存在的条件下，由石蜡和微晶蜡的混合物催化氧化反应，再经物理调和，合成天然巴西棕榈蜡替代品。
The feasibility to develop wax by use of waste polyethylene film is mainly studied. The condition of high temperature and low pres- sure and a newly manufactured catalyst are used in the research.
本文主要讨论了用废聚乙烯薄膜制石蜡的可行性。采用高温、低压的反应条件，加入自制的催化剂；
The feasibility to develop wax by use of waste polyethylene film is mainly studied. The condition of high temperature and low pres- sure and a newly manufactured catalyst are used in the research.
本文主要讨论了用废聚乙烯薄膜制石蜡的可行性。采用高温、低压的反应条件，加入自制的催化剂；
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