合成参数对Ni@SiO2催化剂结构及其催化双环戊二烯加氢性能的影响

石油炼制与化工 ›› 2026, Vol. 57 ›› Issue (10): 32-39.

合成参数对Ni@SiO₂催化剂结构及其催化双环戊二烯加氢性能的影响

闫瑞,方宇童,贾丹丹,赵杰,陶志平

中石化石油化工科学研究院有限公司

收稿日期:2026-02-11 修回日期:2026-05-14 出版日期:2026-10-12 发布日期:2026-09-20
通讯作者: 闫瑞 E-mail:yanrui.ripp@sinopec.com
基金资助:
国家重点研发计划

EFFECT OF SYNTHESIS PARAMETERS ON THE STRUCTURE OF Ni@SiO₂ CATALYSTS AND THEIR CATALYTIC PERFORMANCE IN DICYCLOPENTADIENE HYDROGENATION

Received:2026-02-11 Revised:2026-05-14 Online:2026-10-12 Published:2026-09-20

摘要/Abstract

摘要： Ni@SiO₂催化剂可催化双环戊二烯（DCPD）高效加氢制备桥式四氢双环戊二烯（endo-THDCPD），以高效生产高密度喷气燃料JP-10。为实现Ni@SiO₂催化剂百公斤级生产，进一步优化Ni@SiO2催化剂合成参数，考察了硅源、镍源以及硅镍摩尔比对催化剂结构和性能的影响。结果表明，以硅溶胶为硅源、硝酸镍为镍源，当硅镍摩尔比为2时，Ni@SiO₂催化剂的Ni颗粒分散性更好、介孔更丰富，在DCPD加氢反应中展现出优异的催化性能，DCPD转化率和endo-THDCPD收率均大于99.9%，催化剂连续运转2820 h未出现明显失活。

关键词: Ni@SiO₂催化剂, 双环戊二烯, 加氢, 桥式四氢双环戊二烯, 挂式四氢双环戊二烯, 喷气燃料

Abstract: Ni@SiO₂ catalysts enable efficient hydrogenation of dicyclopentadiene (DCPD) to endo-tetrahydrodicyclopentadiene (endo-THDCPD), facilitating the high-yield production of high-density jet fuel JP-10. To scale up the production of Ni@SiO₂ catalysts to the hundred-kilogram level, the synthesis parameters were further optimized by investigating the effects of the silicon source, nickel source, and Si/Ni molar ratio on the catalyst structure and performance. The results show that using silica sol as the silicon source and nickel nitrate as the nickel precursor, with a Si/Ni molar ratio of 2, leads to improved Ni particle dispersion and a richer mesoporous structure in the Ni@SiO₂catalyst. This catalyst exhibits excellent catalytic performance in DCPD hydrogenation, achieving both DCPD conversion and endo-THDCPD yield exceeding 99.9%, with no significant deactivation observed after 2820 h of continuous operation.

Key words: Ni@SiO₂ catalyst, dicyclopentadiene, hydrogenation, endo-tetrahydrodicyclopentadiene, exo-tetrahydrodicyclopentadiene, jet fuel

闫瑞方宇童贾丹丹赵杰陶志平. 合成参数对Ni@SiO₂催化剂结构及其催化双环戊二烯加氢性能的影响[J]. 石油炼制与化工, 2026, 57(10): 32-39.

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合成参数对Ni@SiO₂催化剂结构及其催化双环戊二烯加氢性能的影响

EFFECT OF SYNTHESIS PARAMETERS ON THE STRUCTURE OF Ni@SiO₂ CATALYSTS AND THEIR CATALYTIC PERFORMANCE IN DICYCLOPENTADIENE HYDROGENATION

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