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Posted on 22-06-2023 07:08 AM
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3.3. Hydrogen Pressure Regulator
Hv-3500 series two stage pressure reducing regulator is designed for use onboard hydrogen fuel cell vehicles. The hv-3500 provides consistent pressure and continuous flow in a range of operating conditions.
Green hydrogen is produced by using renewable energy sources to split water into hydrogen and oxygen, either through electrolysis or photolysis. The former technology is more advanced at this stage. At present, 98% of all hydrogen is produced using fossil fuels (“grey hydrogen” or “blue hydrogen” if carbon is scrubbed). To meet paris agreement targets, hydrogen production needs to be decarbonised. Installed production capacity for green hydrogen will need to increase 75 times before 2030. The good news is that the cost of green hydrogen is projected to fall to us$2-3 per kilogram by 2030 due to improved production methods and economies of scale.
Hydrogen is the lightest element in the universe and the most abundant, so on paper, hydrogen fuel has a lot going for it. Although it rarely exists on its own on earth, it can be produced using clean energy to split essentially inexhaustible water molecules, producing only oxygen as a by-product. However, 96 per cent of hydrogen today is made directly from fossil fuels – mostly natural gas, followed by coal and then oil. This overwhelmingly uses a process known as steam reformation that releases carbon dioxide. Humanity produces around 70 million tonnes of hydrogen each year, mainly for use in making ammonia fertiliser and chemicals such as methanol, and to remove impurities during oil refining.