scholarly journals An Integrated Approach for Hydrogen Production and Storage in Complex Hydrides of Transitional Elements and Carbonbased Nanostructural materials (Final Report)

2011 ◽  
Author(s):  
Abhijit Bhattacharyya ◽  
A. S. Biris ◽  
M. K. Mazumder ◽  
T. Karabacak ◽  
Ganesh Kannarpady ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Integrated Approach ◽  
Final Report ◽  
Complex Hydrides ◽  
And Storage

Opportunities and Challenges in Converting Existing Natural Gas Infrastructure for Hydrogen Operation

2021 ◽  
Author(s):  
Peter Adam
Keyword(s):  
Hydrogen Production ◽  
Natural Gas ◽  
Energy Transition ◽  
Building Blocks ◽  
Hydrogen Economy ◽  
Storage Network ◽  
The World ◽  
Drive Trains ◽  
Regulatory Bodies ◽  
And Storage

Abstract Hydrogen holds enormous potential in helping the world achieve its decarbonization goals and is set to play a key role in the Energy Transition. However, two central building blocks are needed to make the hydrogen economy a reality: 1) a sufficient source of emissions-free (i.e., blue or green) hydrogen production and 2) a needs-based transportation and storage network that can reliably and cost-effectively supply hydrogen to end-users. Given the high costs associated with developing new transportation infrastructure, many governments, pipeline operators, and regulatory bodies have begun exploring if it is both possible and economical to convert existing natural gas (i.e., methane) infrastructure for hydrogen operation. This paper outlines opportunities and technical challenges associated with such an endeavor – with a particular focus on adaptation requirements for rotating equipment/compressor drive trains and metallurgical and integrity considerations for pipelines.

scholarly journals Microalgal Hydrogen Production in Relation to Other Biomass-Based Technologies—A Review

Energies ◽  
2021 ◽  
Vol 14 (19) ◽  
pp. 6025
Author(s):  
Marcin Dębowski ◽  
Magda Dudek ◽  
Marcin Zieliński ◽  
Anna Nowicka ◽  
Joanna Kazimierowicz
Keyword(s):  
Hydrogen Production ◽  
Carbon Dioxide Emissions ◽  
Atmospheric Carbon Dioxide ◽  
Water Electrolysis ◽  
Cost Effective ◽  
Biofuel Production ◽  
Production Technologies ◽  
Main Barrier ◽  
Biological Methods ◽  
And Storage

Hydrogen is an environmentally friendly biofuel which, if widely used, could reduce atmospheric carbon dioxide emissions. The main barrier to the widespread use of hydrogen for power generation is the lack of technologically feasible and—more importantly—cost-effective methods of production and storage. So far, hydrogen has been produced using thermochemical methods (such as gasification, pyrolysis or water electrolysis) and biological methods (most of which involve anaerobic digestion and photofermentation), with conventional fuels, waste or dedicated crop biomass used as a feedstock. Microalgae possess very high photosynthetic efficiency, can rapidly build biomass, and possess other beneficial properties, which is why they are considered to be one of the strongest contenders among biohydrogen production technologies. This review gives an account of present knowledge on microalgal hydrogen production and compares it with the other available biofuel production technologies.

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