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INDICS > Press Center > Industry Trends

Cryogenic industry has expertise down cold

By  : INDICS Operator Updated  :   2022-06-24 14:13:19

China's cryogenic industry stepped onto a new stage early this year, when a crane slowly loaded a specialized helium refrigerator onto a container headed for Canada during a launching ceremony in Zhongshan, Guangdong province.

The high-powered, 10-kilowatt refrigerator, which can reach -253.15 C, made its developer, Beijing Sinoscience Fullcryo Technology Co Ltd, the nation's first company to export fully self-developed, large cryogenic equipment able to reach such low temperatures, and more importantly, capable of being used for hydrogen liquefaction.

"China used to rely on imported equipment to generate liquefied hydrogen because domestically produced facilities hit bottlenecks when trying to reach the low temperatures required," said Zhu Cheng, vice-president of the Beijing-based company.

"Now, our fully self-developed helium refrigerators can provide not only the low temperatures required for liquefied hydrogen production, but also even lower temperatures, filling gaps in the gas industry chain and laying a solid foundation for more advanced cryogenic technologies in future research and development," Zhu said.

For hydrogen to exist in liquid form at atmospheric pressure, it must be cooled below the critical point of around -253.15 C, which poses a great challenge to producing cryogenic equipment.

Hydrogen was not emphasized as much in the past since its uses were limited-mainly restricted to industries such as space and aviation sectors. However, of late, hydrogen's potential as a clean and renewable energy source to reduce carbon emissions and abate climate change has been recognized worldwide. Hydrogen's liquefied form has also garnered wide attention due to advantages in lower costs and higher efficiency, compared with its gaseous form, when it comes to storage, large-scale use and long-distance transportation, Zhu said.

"Without the need to build pipes, it is relatively cheaper and safer to move hydrogen in a liquid than in a gaseous state, even though nearly all transmission methods remain expensive at present," said Lin Boqiang, dean of the China Institute for Studies in Energy Policy at Xiamen University.

From: ChinaDaily

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