The direct synthesis of Ni/SAPO-11 hydroisomerization catalyst via a novel two-step crystallization strategy

Zhan, Weilong; Lyu, Yuchao; Liu, Xinmei; Fan, Lei; Li, Furang; Yang, Yong

doi:10.1016/j.petsci.2022.01.014

Cited by 11 publications

(2 citation statements)

References 38 publications

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“…The metal phase of hydroisomerization catalyst mainly plays the role of hydrogenation/dehydrogenation, and the properties of metal, such as dispersibility, reducibility, metal−support interaction (MSI), and hydrogenolysis performance, are closely related to the catalytic performance of the catalyst. 86 Improving the dispersion of metals mainly alters the (de)hydrogeneration of metals. Improving the reducibility of metals can promote more metals to be converted into active metals with good hydrogenation ability and improve the performance of catalysts, while weakening the interaction between the metal and support can just improve the reducibility of metals.…”

Section: Improvement Of Metal Phase Properties and Synergistic Cataly...mentioning

confidence: 99%

Section: N-alkane Hydroisomerization Catalystmentioning

confidence: 99%

See 1 more Smart Citation

Synthesis, Modification, and Performance Regulation of SAPO-11 Molecular Sieve and Development of n-Alkane Hydroisomerization Catalyst: A Mini-Review

Dai,

Cheng,

Liu

et al. 2024

Energy Fuels

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Hydroisomerization catalyst is the key of the hydroisomerization process, which is a bifunctional catalyst composed of acidic support and metal components. In this work, the research progress of hydroisomerization catalysts was reviewed first from two aspects: support and metal components. The supports and metal components used to prepare hydroisomerization catalysts in recent years were introduced, and their advantages/disadvantages were summarized. SAPO-11 molecular sieve is the most commonly used and suitable support for hydroisomerization catalyst. The synthesis methods and influencing factors of SAPO-11 molecular sieves were introduced in detail, and the research progress of modification of SAPO-11 molecular sieves was summarized. Meanwhile, the effects of pore structure, acidity, and crystal size of SAPO-11 molecular sieve on SAPO-11-based hydroisomerization catalyst and their regulation methods were emphatically introduced. Finally, the development direction of n-alkane (carbon number ≤ 16) hydroisomerization catalyst and the synthesis prospect of SAPO-11 molecular sieve were summarized and prospected. This review is helpful to understand the development status of supports and metal components of hydroisomerization catalysts as well as the research status and development prospect of the synthesis of SAPO-11 molecular sieve. The future development direction of the hydroisomerization catalyst and SAPO-11 molecular sieve was summarized and put forward. It is expected to provide a reference for researchers in this field.

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Section: Improvement Of Metal Phase Properties and Synergistic Cataly...mentioning

confidence: 99%

Section: N-alkane Hydroisomerization Catalystmentioning

confidence: 99%

Synthesis, Modification, and Performance Regulation of SAPO-11 Molecular Sieve and Development of n-Alkane Hydroisomerization Catalyst: A Mini-Review

Dai,

Cheng,

Liu

et al. 2024

Energy Fuels

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In‐situ Synthesis of Gallium‐Containing SAPO‐11 Molecular Sieves and Superior Catalytic Performance of Their NiWS Supported Catalysts for Hydroisomerization of n‐Hexadecane

Dai

Cheng

et al. 2022

Eur J Inorg Chem

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In order to prepare a high-performance based non-noble metal supported catalyst for the hydroisomerization of long-chain n-alkanes, gallium-modified SAPO-11 molecular sieve was successfully synthesized by the in-situ synthesis method, and the NiWS supported catalyst was prepared for the hydroisomerization of n-hexadecane. The effects of Ga-modification on the physicochemical properties of SAPO-11 molecular sieve, the active phase properties, and the catalytic performance of the catalyst were studied. Through a series of physicochemical characterizations, it was found that the introduction of Ga increased the mesoporous volume of SAPO-11 molecular sieve, reduced their acid density and strength, but improved the amount of medium-strong Brønsted acid. The Ga-modification weakened the interaction between the active metals and the support, increased the sulfidation degree of active metals, and increased the stacking number and dispersion of active phase. The results of catalytic performance evaluation showed that the catalytic activity and isomerization selectivity of the Ga-modified SAPO-11 molecular sieve based catalysts were improved, and the yield of i-hexadecane of NiW/2Ga-SAPO-11 was the highest, which was 40.30 % higher than that of NiW/SAPO-11. By analyzing the distribution of isomeric products, it was found that the Ga-modified SAPO-11 molecular sieve was helpful in improving the hydroisomerization depth of n-hexadecane over the catalyst.

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Jet fuel production via palm oil hydrodeoxygenation over bifunctional zeolite mixture supported Ni catalyst: Effect of Si/Al ratio

Khan,

Qureshi,

Luyao

et al. 2024

Biomass and Bioenergy

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The direct synthesis of Ni/SAPO-11 hydroisomerization catalyst via a novel two-step crystallization strategy

Cited by 11 publications

References 38 publications

Synthesis, Modification, and Performance Regulation of SAPO-11 Molecular Sieve and Development of n-Alkane Hydroisomerization Catalyst: A Mini-Review

Synthesis, Modification, and Performance Regulation of SAPO-11 Molecular Sieve and Development of n-Alkane Hydroisomerization Catalyst: A Mini-Review

In‐situ Synthesis of Gallium‐Containing SAPO‐11 Molecular Sieves and Superior Catalytic Performance of Their NiWS Supported Catalysts for Hydroisomerization of n‐Hexadecane

Jet fuel production via palm oil hydrodeoxygenation over bifunctional zeolite mixture supported Ni catalyst: Effect of Si/Al ratio

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