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为满足日趋严格的环保要求和适应汽车工业的快速发展,柴油深度脱芳烃已成为国内外普遍关注的课题．近年来的研究表明,Pd－Pt/USY催化剂具有较高的芳烃加氢活性和较强的耐硫中毒能力[’－
In order to meet the increasingly stringent environmental requirements and adapt to the rapid development of the automotive industry, deep de-aromatics has become a topic of widespread concern at home and abroad. Recent studies have shown that the Pd-Pt / USY catalyst has higher aromatics hydrogenation activity and strong resistance to sulfur poisoning [’-