一种用于多环芳烃加氢裂化制取苯及烷基苯的催化剂
By loading active metal oxides onto ZSM-5 or Beta molecular sieves using a solid-phase method, a low-cost, high-activity catalyst was prepared, solving the problems of high cost and long preparation time of precious metal catalysts. This enabled the efficient industrial application of polycyclic aromatic hydrocarbon hydrocracking to produce benzene and alkylbenzenes.
CN117943109BActive Publication Date: 2026-07-17INST OF COAL CHEM CHINESE ACAD OF SCI
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- INST OF COAL CHEM CHINESE ACAD OF SCI
- Filing Date
- 2024-01-29
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies for precious metal catalysts are costly and time-consuming to prepare, and the equal-volume impregnation method is cumbersome, making it difficult to meet industrial needs.
Method used
The active metal oxide component is loaded onto ZSM-5 molecular sieve or Beta molecular sieve support by solid-phase method, and the catalyst is prepared by calcination and sulfidation treatment, which simplifies the preparation process and reduces costs.
Benefits of technology
The prepared catalyst exhibits high reactivity, good selectivity for benzene and alkylbenzenes, is suitable for large-scale industrial production, is low in cost, and has good metal dispersibility.
✦ Generated by Eureka AI based on patent content.
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Figure BDA0004686749670000111
Abstract
本发明属于芳烃加氢裂化技术领域，具体涉及一种用于多环芳烃加氢裂化制取苯及烷基苯的催化剂。本发明催化剂包括载体以及负载于载体上的活性金属氧化物；所述载体为ZSM‑5分子筛、Beta分子筛或其复合物，活性金属氧化物为Mo、W、Ni、Co、Mn、Fe、Cu、Zn氧化物中的至少一种；以催化剂质量计，活性金属氧化物组分含量为5wt％‑50wt％，余量为分子筛。该催化剂是由载体、活性金属氧化物均匀混合后直接焙烧，经硫化处理所得。本发明的催化剂制备方法简单，反应活性高，苯及烷基苯选择性好，适合工业化大规模生产，工业应用前景良好。
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