Hydrogen Energy

What is Hydrogen Energy?

Hydrogen, a pure gas, results in the production of water vapour when burnt. Hydrogen energy is extremely flexible because it may be used as a gas or a liquid and transformed into electricity or fuel. According to statistics, around 70 million metric tons of hydrogen are already produced annually worldwide for use in processes including oil refining, steel production, chemical and fertilizer production, ammonia generation, food processing, and metallurgy.

Types of Hydrogen Energy

Different colours, such as grey, blue, or green, are connected to hydrogen production. The differences between these descriptions correspond to variations (differences) in the emission profiles for the various processes used to generate hydrogen.

High Carbon

Brown Hydrogen

Made → Coal (Gasification) CO2 is emitted into the environment (Most environmentally damaging).

High Carbon

Grey Hydrogen

Made →  Natural Gas (SMR) CO2 is emitted into the environment (The most common form of hydrogen).

Low Carbon

Blue Hydrogen

Made → Natural Gas (SMR) CO2 is captured and stored.

Zero Carbon
Zero Carbon

Green Hydrogen

Made →  Renewable sources. No CO2 is emitted.

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100% Renewable Energy

It is a source of clean energy as it does not pollute itself. Compared with the use of fossil fuels & nuclear energy, hydropower is a much safer

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Zero Carbon Emission

It is a renewable resource of energy. As long as there is water, electricity can be generated. Water flow can be adjusted and even conserved according to the need for power.

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High-Density Energy Source

It is the most affordable cost of power when spread out over the system’s lifetime costs. As long as there is water, electricity can be generated.

A use case for Hydrogen in Nigeria

hydrogen production in Nigeria

Hydrogen Production

Hydrogen Storage & Distribution

Hydrogen Utilization

Hydrogen production technologies

Presently, the three key technologies used in the production of hydrogen are: 

steam reformation, gasification, and electrolysis.

 Steam reformation and gasification technologies emit/release a huge amount of carbon dioxide CO2 in the environment as water in the steam form is first used to convert feedstock (natural gas/coal/biomass) to syngas, a mixture of hydrogen and carbon monoxide. Syngas is subsequently converted and separated into hydrogen and carbon dioxide.

Electrolysis on the other hand produces hydrogen by using the electric current from fossil fuels or renewable energy sources to decompose water into hydrogen and oxygen. When the latter is used, it produces hydrogen without carbon emission, and it is called green hydrogen.

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