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Reduction of Alkenes: Catalytic Hydrogenation

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Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
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Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

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Introduction
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Microbial Bioremediation of Hydrocarbons

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Biomass Conversion to Produce Hydrocarbon Liquid Fuel Via Hot-vapor Filtered Fast Pyrolysis and Catalytic Hydrotreating

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Published on: December 25, 2016

Optimizing catalysis conditions to decrease aromatic hydrocarbons and increase alkanes for improving jet biofuel

Jun Cheng¹, Tao Li¹, Rui Huang¹

¹State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.

Bioresource Technology

|March 25, 2014

Summary

This summary is machine-generated.

Researchers developed a high-quality jet biofuel from soybean oil using Ni-Mo/HY catalysts. The process optimizes alkane production and minimizes aromatic hydrocarbons for superior fuel properties.

Keywords:

Alkane Aromatic hydrocarbon Catalysis Jet fuel

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Area of Science:

Catalysis
Green Chemistry
Renewable Energy

Background:

Jet biofuel production aims for high alkane and low aromatic hydrocarbon content.
Soybean oil is a potential feedstock for sustainable aviation fuel.
Zeolites are effective catalysts in hydrocarbon conversions.

Purpose of the Study:

To produce quality jet biofuel from soybean oil using Ni and Mo supported on HY and HZSM-5 zeolites.
To investigate the effect of zeolite type, temperature, and hydrogen pressure on jet fuel yield and composition.

Main Methods:

Catalytic conversion of soybean oil using Ni-Mo/HY and Ni-Mo/HZSM-5 catalysts.
Varying reaction temperatures (330-410°C) and hydrogen pressures (1-4 MPa).
Analysis of jet fuel yield, alkane selectivity, and aromatic hydrocarbon content.

Main Results:

Ni-Mo/HY catalyst showed higher jet range alkane selectivity (40.3%) and lower aromatic hydrocarbon selectivity (23.8%) compared to Ni-Mo/HZSM-5.
Jet fuel yield increased to 49.1% with Ni-Mo/HY at 390°C and 4 MPa by shifting from oligomerization to cracking.
Optimal jet fuel yield (48.2%) achieved at 1 MPa hydrogen pressure using Ni-Mo/HY catalyst.

Conclusions:

Ni-Mo/HY is a superior catalyst for producing jet biofuel from soybean oil with desired alkane and aromatic hydrocarbon profiles.
Optimizing reaction temperature and hydrogen pressure is crucial for maximizing jet fuel yield and quality.
Low hydrogen pressure conditions are effective for high jet fuel yield using Ni-Mo/HY catalyst.