Petroleum Refinery Engineering ›› 2025, Vol. 55 ›› Issue (5): 42-44.

• CATALYST AND ASSISTANT • Previous Articles     Next Articles

Summary of industrial application of GDmax catalyst in a foreign catalytic cracking unit

Liu Bo   

  1. Sinopec Research Institute of Petroleum and Chemical Industry Co., Ltd., Beijing 100083
  • Online:2025-05-15 Published:2025-05-22

GDmax催化剂在国外某催化裂化装置工业应用总结

刘博   

  1. 中国石化石油化工科学研究院有限公司,北京市 100083
  • 作者简介:刘博,工程师,本科,2011年毕业于北京石油化工学院应用化学专业,现从事FCC催化剂研发工作。联系电话:010-82368272,E-mail:liubo.ripp@sinopec.com。

Abstract:

A new heavy oil cracking catalyst, GDmax, was developed by a company. It has more active centers, a larger surface area, and better pore distribution. It has been used in a foreign catalytic cracking unit. The results show that, compared with before, after using GDmax catalyst, the dry gas (including part of C₃) yield decreased by 0.35%, the liquefied petroleum gas (LPG) yield increased by 1.77%, where propylene and butene yields increased by 0.37% and 0.36% respectively, the gasoline yield increased by 1.00%, and the yields of slurry and coke decreased by 0.53% and 0.24% respectively. The GDmax catalyst has good low-carbon olefin selectivity, strong heavy oil conversion ability, and good coke selectivity, which can significantly increase the yield of high-value products and reduce the yield of coke and dry gas.

Key words: GDmax catalyst, Catalytic cracking unit, Structurally optimized molecular sieve, Heavy oil conversion ability, Low-carbon olefin selectivity, Coke selectivity, Equilibrium agent microactivity

摘要:

某公司开发了一种新型重油裂化催化剂GDmax。该催化剂以结构优化分子筛为核心,采用新型改性硅铝基技术制备而成,具有更多的活性中心、更大的比表面积和更好的孔分布,现已在国外某催化裂化装置投入工业应用。工业应用结果表明:在催化裂化原料油性质和操作条件相当的情况下,与应用前相比,应用GDmax催化剂后,干气(含部分C₃)收率下降了0.35个百分点;液化石油气收率升高了1.77个百分点(其中丙烯、丁烯的收率分别升高了0.37、0.36个百分点);汽油收率升高了1.00个百分点;油浆和焦炭的收率分别降低了0.53、0.24个百分点。说明GDmax催化剂具有较好的低碳烯烃选择性、较强重油转化能力和良好的焦炭选择性,能显著提高高附加值产品收率、降低焦炭和干气收率。

关键词: GDmax催化剂, 催化裂化装置, 结构优化分子筛, 重油转化能力, 低碳烯烃选择性, 焦炭选择性, 平衡剂微反活性