Catalytic conversion of n-Dodecane to lower olefins hydrogen carriers over bran-shaped modified MCM-22 zeolite catalyst: SiO2/Al2O3 ratio effects

Firdaus, Mochamad Adha; Malaibari, Zuhair; Muraza, Oki; Nasser, Galal A.; Bakare, Akolade Idris; Hussain, I.; Alasiri, Hassan

doi:10.1016/j.ijhydene.2023.07.168

International Journal of Hydrogen Energy

2024

DOI: 10.1016/j.ijhydene.2023.07.168

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Catalytic conversion of n-Dodecane to lower olefins hydrogen carriers over bran-shaped modified MCM-22 zeolite catalyst: SiO2/Al2O3 ratio effects

Mochamad Adha Firdaus

Zuhair Malaibari

Oki Muraza

et al.

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Coupling Conversion of CO₂ and High‐Carbon Alkane to CO and Gasoline

Tao,

Liu,

Zhang

et al. 2024

ChemCatChem

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Catalytic conversion of CO2 to valuable products is a promising way to reduce anthropogenic CO2 emission. Herein, a strategy for coupling conversion of CO2 and high‐carbon alkane to CO and gasoline is developed, which is a feasible choice for the combination of CO2 recycling and petroleum refining. The CO2 conversion reaches 2.6% under mild condition (270 °C), and the selectivity of gasoline in the cracking products exceeds 70 wt%. Additionally, the introduction of CO2 improves the selectivity of aromatic hydrocarbons and increases the octane number of gasoline. Mechanism studies indicate that synergistic effect between Brønsted acid centers and Ni sites on the Beta zeolite supported Ni (20 wt%) catalyst (20Ni/β) plays the key role in alkane cracking and CO2 reduction. Notably, 13CO2 isotopic experiments show that the hydrogen produced during the aromatization can be captured by CO2, inhibiting undesired hydrogen transfer pathways and enhancement the yield of aromatics, while CO2 is converted into valuable CO.

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Coupling Conversion of CO₂ and High‐Carbon Alkane to CO and Gasoline

Tao,

Liu,

Zhang

et al. 2024

ChemCatChem

View full text Add to dashboard Cite

show abstract

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Catalytic conversion of n-Dodecane to lower olefins hydrogen carriers over bran-shaped modified MCM-22 zeolite catalyst: SiO2/Al2O3 ratio effects

Cited by 1 publication

References 61 publications

Coupling Conversion of CO₂ and High‐Carbon Alkane to CO and Gasoline

Coupling Conversion of CO₂ and High‐Carbon Alkane to CO and Gasoline

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Catalytic conversion of n-Dodecane to lower olefins hydrogen carriers over bran-shaped modified MCM-22 zeolite catalyst: SiO2/Al2O3 ratio effects

Cited by 1 publication

References 61 publications

Coupling Conversion of CO2 and High‐Carbon Alkane to CO and Gasoline

Coupling Conversion of CO2 and High‐Carbon Alkane to CO and Gasoline

Contact Info

Product

Resources

About

Coupling Conversion of CO₂ and High‐Carbon Alkane to CO and Gasoline

Coupling Conversion of CO₂ and High‐Carbon Alkane to CO and Gasoline