催化裂解技术及其催化剂的研究进展

doi:10.16085/j.issn.1000-6613.2017-0741

摘要/Abstract

摘要： 以乙烯、丙烯为代表的低碳烯烃是重要的基本有机化工原料，世界上对其需求和生产量都远高于其他化工产品。随着世界原油重质化的加深，以重质油为原料直接制取低碳烯烃的技术将更具优势，但存在如何解决催化剂的中毒、生焦、连续再生以及进一步增强工艺装置的安全可靠性等问题。本文介绍了催化裂解制取低碳烯烃的反应机理、国内外催化裂解技术及其催化剂的研究进展等方面的情况。与传统方法相比，无论是从原料适应性、低碳烯烃收率，还是从能耗、操作和产品分布的灵活性上看，催化裂解经济和社会效益均非常显著，具有广阔应用前景。最后指出面对问题今后应加强技术创新，注重对现有工艺、催化剂、工程与生产技术的改进及现有装置的改造，尤其需强化对核心技术催化裂解催化剂的开发。

关键词: 催化裂解, 催化剂, 乙烯, 丙烯, 重油, 生产

Abstract: Light olefins, which are represented by ethylene and propylene, are the important basic organic chemical raw materials, and their demand and production are much higher than other chemical products in the world.With crude oil is becoming heavier worldwide, the technology of producing light olefins from heavy oil directly will be more advantageous, but there are still some problems such as catalyst poisoning, coke formation, continuous regeneration, and further enhancing the safety and reliability of processing units, need to be solved.This paper introduced the catalytic pyrolysis reaction mechanism for light olefins production, development overview of catalytic pyrolysis technology and its catalyst at home and abroad, and so on.Comparing to traditional methods, either from the adaptability of feedstock, light olefins yield, or from the energy consumption, flexibility of operation and product distribution point of view, the catalytic pyrolysis of the economic and social benefits is very significant, and has broad application prospect.Finally, it is pointed out that the technical innovation should be strengthened in the future, and the improvement of the existing process, catalyst, engineering and production technologies and the transformation of the existing equipment should be emphasized. Especially, as a core technology, the development of catalyst technology for catalytic pyrolysis should be intensified.

Key words: catalytic pyrolysis, catalyst, ethylene, propylene, heavy oil, production

中图分类号:

TQ206

李贤丰, 郭琳琳, 申宝剑. 催化裂解技术及其催化剂的研究进展[J]. 化工进展, 2017, 36(S1): 203-210.

LI Xianfeng, GUO Linlin, SHEN Baojian. Advance in catalytic pyrolysis technology and its catalyst[J]. Chemical Industry and Engineering Progress, 2017, 36(S1): 203-210.

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