Methane decomposition into CO x ‐free hydrogen over a Ni‐based catalyst: An overview

2021 ◽  
Author(s):  
Arnoldus Lambertus Dipu
Keyword(s):  
Methane Decomposition ◽  
Free Hydrogen

scholarly journals Production of COx-Free Hydrogen and Few-Layer Graphene Nanoplatelets by Catalytic Decomposition of Methane over Ni-Lignin-Derived Nanoparticles

Molecules ◽  
2022 ◽  
Vol 27 (2) ◽  
pp. 503
Author(s):  
Qiangu Yan ◽  
Timothy Ketelboeter ◽  
Zhiyong Cai
Keyword(s):  
Active Sites ◽  
Nickel Nanoparticles ◽  
Catalytic Decomposition ◽  
Graphene Nanoplatelets ◽  
Methane Decomposition ◽  
High Catalytic Activity ◽  
Layer Graphene ◽  
Free Hydrogen ◽  
Decomposition Of Methane ◽  
Few Layer Graphene

Nickel (Ni)-lignin nanocomposites were synthesized from nickel nitrate and kraft lignin then catalytically graphitized to few-layer graphene-encapsulated nickel nanoparticles (Ni@G). Ni@G nanoparticles were used for catalytic decomposition of methane (CDM) to produce COx-free hydrogen and graphene nanoplatelets. Ni@G showed high catalytic activity for methane decomposition at temperatures of 800 to 900 °C and exhibited long-term stability of 600 min time-on-stream (TOS) without apparent deactivation. The catalytic stability may be attributed to the nickel dispersion in the Ni@G sample. During the CDM reaction process, graphene shells over Ni@G nanoparticles were cracked and peeled off the nickel cores at high temperature. Both the exposed nickel nanoparticles and the cracked graphene shells may participate the CDM reaction, making Ni@G samples highly active for CDM reaction. The vacancy defects and edges in the cracked graphene shells serve as the active sites for methane decomposition. The edges are continuously regenerated by methane molecules through CDM reaction.

Production of COx Free Hydrogen and Nanocarbon via Methane Decomposition Over Unsupported Porous Nickel and Iron Catalysts

2017 ◽  
Vol 28 (3) ◽  
pp. 1579-1594 ◽  
Author(s):  
Manoj Pudukudy ◽  
Zahira Yaakob ◽  
Nursyifaa’ Dahani ◽  
Mohd Sobri Takriff ◽  
Nik Suhaimi Mat Hassan
Keyword(s):  
Methane Decomposition ◽  
Iron Catalysts ◽  
Porous Nickel ◽  
Free Hydrogen

Methane decomposition under a corona discharge to generate COx-free hydrogen

Energy ◽  
2013 ◽  
Vol 59 ◽  
pp. 432-439 ◽  
Author(s):  
I. Aleknaviciute ◽  
T.G. Karayiannis ◽  
M.W. Collins ◽  
C. Xanthos
Keyword(s):  
Corona Discharge ◽  
Methane Decomposition ◽  
Free Hydrogen

One-pot sol–gel synthesis of Ni/TiO2 catalysts for methane decomposition into COx free hydrogen and multiwalled carbon nanotubes

2017 ◽  
Vol 42 (26) ◽  
pp. 16495-16513 ◽  
Author(s):  
Manoj Pudukudy ◽  
Zahira Yaakob ◽  
Abudukeremu Kadier ◽  
Mohd Sobri Takriff ◽  
Nik Suhaimi Mat Hassan
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Sol Gel ◽  
Methane Decomposition ◽  
Multiwalled Carbon ◽  
One Pot ◽  
Free Hydrogen ◽  
Sol Gel Synthesis

Methane decomposition catalysts for COx-free hydrogen production

2010 ◽  
Vol 26 (1-2) ◽  
Author(s):  
Jangam Ashok ◽  
Sarkari Reema ◽  
Chatla Anjaneyulu ◽  
Machiraju Subrahmanyam ◽  
Akula Venugopal
Keyword(s):  
Hydrogen Production ◽  
Methane Decomposition ◽  
Free Hydrogen

One-pot sol-gel synthesis of MgO nanoparticles supported nickel and iron catalysts for undiluted methane decomposition into COx free hydrogen and nanocarbon

2017 ◽  
Vol 218 ◽  
pp. 298-316 ◽  
Author(s):  
Manoj Pudukudy ◽  
Zahira Yaakob ◽  
Mohd Zulhamizan Mazuki ◽  
Mohd Sobri Takriff ◽  
Seri Suriani Jahaya
Keyword(s):  
Sol Gel ◽  
Methane Decomposition ◽  
Iron Catalysts ◽  
One Pot ◽  
Mgo Nanoparticles ◽  
Free Hydrogen ◽  
Sol Gel Synthesis

scholarly journals HYDROGEN PRODUCTION – AN ENVIRONMENTAL ISSUE

Engevista ◽  
2011 ◽  
Vol 13 (1) ◽  
Author(s):  
Lília Fernanda Cardoso Souza ◽  
Natália De Mello Esteves ◽  
João Paulo Covre ◽  
Rosenir Rita de Cassia Moreira da Silva
Keyword(s):  
Hydrogen Production ◽  
Natural Gas ◽  
Partial Oxidation ◽  
Autothermal Reforming ◽  
Environmental Issue ◽  
Methane Decomposition ◽  
Water Gas Shift ◽  
Alternative Route ◽  
Free Hydrogen ◽  
Water Gas

Abstract: A growing interest in hydrogen use has been observed due to its environmentally friendlycharacteristics. However, the current methods of hydrogen production from natural gas are based on steammethane reforming, partial oxidation, and autothermal reforming. These processes produce a mixture ofhydrogen and carbon oxides and after water-gas shift reactions, in order to increase the production ofhydrogen, a large amount of CO2 is generated and possibly released in the atmosphere. In this context, thecatalytic methane decomposition has been receiving attention as an alternative route to the production ofCOx-free hydrogen. It has been reported that the appropriate group of catalysts and reactors can lead to aviable process. Current investigations attempt to increase the yield of hydrogen. The present work aims toevaluate the processes currently used for that and to present the preliminary results obtained with cobaltcatalysts for methane decomposition. A comparison between the conventional processes and the suggestedones is made, and the major advantages in the use of methane decomposition are presented.

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