Uttar Pradesh signs an MoU with Japan’s Yamanashi Prefecture to establish a Green Hydrogen Centre of Excellence, promoting clean energy, zero-emission transport, and job growth with advanced Japanese technology.
theIASHub | 30 Jul, 2025 | 282
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Green Hydrogen |
Green Hydrogen is Hydrogen produced by splitting water by electrolysis. This produces only Hydrogen and Oxygen. We can use the Hydrogen and vent the Oxygen to the atmosphere with no negative impact. It is called green because no CO2 emission during the production process. |
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Blue Hydrogen |
Blue Hydrogen is when natural gas is split into Hydrogen and CO2, but the CO2 is captured and then stored. As the greenhouse gasses are captured, this mitigates the environmental impacts on the planet. |
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Grey Hydrogen |
It is a similar process to Blue Hydrogen as natural gas is split into Hydrogen and CO2,, but the CO2 is not being captured and is released into the atmosphere. |
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Black/Brown Hydrogen |
Brown Hydrogen (made from brown coal) and Black Hydrogen (made from black coal) are produced via gasification. It is a very polluting process and CO2 and Carbon Monoxide are produced as by-products and released to the atmosphere. |
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Turquoise Hydrogen |
Extracted by using the thermal splitting of Methane via Methane Pyrolysis. The process, though at the experimental stage remove the Carbon in a solid form instead of CO2. |
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Purple Hydrogen |
Made using nuclear power and heat through combined chemo- thermal electrolysis splitting of water. |
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Pink Hydrogen |
Generated through electrolysis of water by using electricity from a nuclear power plant. |
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Red Hydrogen |
Produced through the high-temperature catalytic splitting of water using nuclear power thermal as an energy source. |
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White hydrogen |
Naturally occurring hydrogen |
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