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ChinaScience

China’s Sinopec banks on green hydrogen with Xinjiang solar-powered plant

  • The country’s largest oil refiner says it has started building the world’s largest facility of its kind, with production to start in 2023
  • The US$470 million project is expected to have an annual output capacity of more than 10,000 tonnes

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China’s largest oil refiner Sinopec has started work on the country’s largest solar-powered green hydrogen plant.  Photo: EPA-EFE
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China’s largest oil refiner China Petrochemical Corporation – also known as Sinopec – has started building the world’s largest green hydrogen plant, to be entirely powered by solar energy.
Sinopec said on Tuesday the 3 billion yuan (US$470 million) plant in Kuqa, in the far western region of Xinjiang, was expected to start production in June 2023, with a 20,000 tonnes-per-year capacity.

According to the company, it will be China’s first photovoltaic-powered hydrogen plant with an annual output capacity of more than 10,000 tonnes, as well as the world’s largest.

Hydrogen, a highly reactive gas, has many industrial uses, including as a source of energy. China, which produces the world’s largest amount of it, mainly uses it as an industrial raw material – for example, to manufacture plastics or chemicals.

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Most of the country’s hydrogen is produced from fossil fuels, with just 4 per cent coming from renewable sources.

Green hydrogen – produced from renewable sources such as solar and wind energy – has significantly lower carbon emissions than grey hydrogen, which is produced using fossil fuels such as natural gas.

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Sinopec’s demonstration project will go through the whole process of green hydrogen production and utilisation, including photovoltaic power generation, transformation, electrolytic hydrogen production, hydrogen storage, transport and refining.

The company will build a solar power station with an installed capacity of 300 megawatts to support hydrogen production. It will also build a hydrogen production plant from water electrolysis, hydrogen storage tanks and a hydrogen pipeline.

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