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Grey, blue, green – the many colours of hydrogen explained | World . . .
Depending on production methods, hydrogen can be grey, blue or green – and sometimes even pink, yellow or turquoise – although naming conventions can vary across countries and over time But green hydrogen is the only type produced in a climate-neutral manner, meaning it could play a vital role in global efforts to reduce emissions to net zero by 2050
关于氢能，什么是绿氢、蓝氢、灰氢？ - 知乎
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What is green hydrogen? An expert explains its benefits | World . . .
Blue hydrogen follows the same process as grey, with the additional technologies necessary to capture the CO2 produced when hydrogen is split from methane (or from coal) and store it for long term It is not one colour but rather a very broad gradation, as not 100% of the CO2 produced can be captured, and not all means of storing it are equally effective in the long term
The hydrogen rainbow: What do the different colours mean?
The global market for blue hydrogen was valued at $18 8 billion in 2022, and is projected to grow in the next eight years The use of natural gas appeases the likes of ExxonMobile, which plans on using blue hydrogen to help decarbonize heavy industry At the same time, since the CO2 is captured and stored, the emissions associated with creating
Hydrogen is a key fuel for our sustainable future
Blue hydrogen, also known as low-carbon hydrogen, is similar to grey hydrogen, but the CO2 emissions from the production process are captured and stored or utilized, reducing its carbon footprint This makes it cleaner than grey hydrogen, as it captures and stores or utilizes the CO2 emissions from the production process
How to understand the carbon footprint of clean hydrogen
The above values do not include emissions from hydrogen transportation, compression, or further conversion into hydrogen derivatives Carbon footprint values for steam methane reforming and coal gasification are taken from Rocky Mountain Institute: Koch Blank, Thomas and Molly, Patrick (2020) Hydrogen’s Decarbonization Impact for Industry – Near-term Challenges and Long-term Potential
Indias future must be fuelled by green hydrogen. Heres why
CO2 storage capacity could be even more critical to blue hydrogen's prospects, especially in countries like India with relatively limited historical oil and gas production Most macro-scale energy transition models assume CO2 storage is ubiquitous, based on simple assessments of subsurface pore space, but actual investable storage estimates are likely to be just a fraction of those assessments
Why hydrogen will remain a carbon-intensive solution until we can . . .
However, less than 1% of global hydrogen production is derived from renewable energy (green hydrogen) or from fossil-fuel plants equipped with carbon-capture storage (blue hydrogen) The remaining 99% is sourced from carbon-emitting fossil fuels (e g grey hydrogen) that emit as much CO2 emissions as the United Kingdom and Indonesia combined , and cannot therefore be considered as low-carbon
Hydrogen’s star is rising as a clean energy transition fuel | World . . .
(This method emits less than black or brown hydrogen produced using different types of coal ) Blue – Low-carbon hydrogen produced from combusting natural gas for steam methane reforming, in conjunction with carbon capture and storage technology removing most CO2 emissions from flue gases, which is stored securely underground
Which countries could become the world’s hydrogen superpowers?
China issued its first hydrogen roadmap in 2016, leading to it having the world’s third-largest fuel cell electric vehicle (FCEV) fleet and to the country becoming a pioneer in developing fuel cell trucks and buses China’s five-year economic plan recognizes hydrogen as one of the six industries of the future