2022.02.12 22:48 GMT+8

Meet the person behind the eco-friendly ice

Updated 2022.02.12 22:48 GMT+8
CGTN

Athletes continue to give stunning performances in figure skating and speed skating at the 2022 Winter Olympics. It's made possible by the eco-friendly ice, the first in Winter Olympics history to use CO2 as a refrigerant. Peking University Professor Zhang Xinrong, the person behind the eco-friendly ice, told CGTN anchor Tian Wei that the trans-critical CO2 direct cooling system can simultaneously make the cold energy and thermal energy for humidification, and produce hot water for athletes.

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