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Catalysis

Catalysis

The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.

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Related Experiment Video

Updated: Jun 22, 2025

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

Catalytic methane decomposition on CNT-supported Fe-catalysts.

Miao Yang¹, Jan Baeyens¹, Shuo Li¹

¹Beijing University of Chemical Technology, Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, 100029, Beijing, China.

Journal of Environmental Management

|July 4, 2024

Summary

Catalytic Methane Decomposition (CMD) converts methane into valuable carbon nanotubes and hydrogen at moderate temperatures. This process avoids catalyst contamination and regeneration, offering a competitive and scalable alternative to Steam Methane Reforming.

Keywords:

Carbon nanotubes Catalysts Economics Hydrogen Methane Scale-up

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Last Updated: Jun 22, 2025

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Area of Science:

Materials Science
Chemical Engineering
Catalysis

Background:

Growing demand for hydrogen and carbon nanotubes (CNTs).
Limitations of high-temperature Steam Methane Reforming (SMR).
Need for efficient Catalytic Methane Decomposition (CMD) at moderate temperatures.

Purpose of the Study:

Investigate CNTs as a support for iron catalysts in CMD.
Evaluate catalyst performance and product characteristics.
Assess process scalability and economic viability.

Main Methods:

Utilized iron-supported carbon nanotubes (CNTs) as a catalyst.
Conducted methane decomposition experiments at 700°C for 40 hours.
Analyzed methane conversion rates and CNT properties.
Assessed continuous product removal and catalyst regeneration needs.

Main Results:

Achieved average methane conversions of 75-85% at 700°C.
Demonstrated continuous operation for 40 hours without catalyst regeneration.
Successfully separated produced CNTs from the catalyst bed via carry-over.
Specified properties of the produced CNTs.

Conclusions:

CNTs are effective supports for iron catalysts in CMD, avoiding contamination.
The process is scalable and economically competitive for producing hydrogen and CNTs.
This method presents a viable alternative to traditional SMR.