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机构地区:[1]石油大学重质油国家重点实验室,北京102249
出 处:《现代化工》2005年第3期14-18,共5页Modern Chemical Industry
基 金:国家自然科学基金资助项目(20406012);中国石油天然气集团公司科学研究与技术开发项目(04A5050102)
摘 要:论述了柴油加氢脱芳烃的催化剂体系、芳烃加氢反应机理和工艺方法。该催化剂体系包括贵金属催化剂和非贵金属催化剂两种类型,其中贵金属催化剂的脱芳烃效果较非贵金属催化剂要好。柴油加氢脱芳烃大多采用两段加氢工艺,将贵金属和非贵金属催化剂结合使用可以取得良好的脱芳烃效果。增强脱芳烃催化剂的抗硫性能也成为现今研究重点,载体的性质对加氢脱芳烃催化剂的催化性能有很大的影响,开发新载体和新材料成为今后加氢脱芳烃催化剂的研究趋势。The processes and catalysts for removal of aromatics contained in diesel oil are reviewed. The catalyst systems include noble metal and non-noble metal catalysts. The hydro-dearomatization activities of noble metal catalysts are better than those of non-noble metal catalysts. The mechanism of hydro-dearomatization is also involved. Techniques under developing such as the two-stage hydrotreating process for deep desulfurizing and dearomatizating using noble metal and non-noble metal as catalysts are widely used. Research on increasing the sulfur resistance of catalysts in aromatic hydrogenation of diesel has been more emphasized. Latest advances in materials and carriers of hydrotreating catalysts show that the characteristics of carriers play an important role in the hydro-dearomatization performance. To develop new carriers and materials is one of important trends in hydro-dearomatization catalyst design.
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