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Source: Science and Technology Daily
Reporter: Hao Xiaoming
The greenhouse gas carbon dioxide (CO2) is the final product of many chemical reactions, and its excessive emission will exacerbate the increase in global average temperature and bring tremendous pressure to the ecological environment.
The research lasted for nearly 6 years, and the activity and selectivity of the MoS2 catalyst were significantly better than that of the metal oxide catalyst, showing excellent stability, which opened up a new way to realize low energy consumption and high efficiency CO2 conversion and utilization.
Renewable energy-based green hydrogen (H2) reaction to produce methanol is one of the important ways to turn CO2 waste into treasure.
"The introduction of transition metal components in the metal oxide catalyst can promote the activation of H2 and reduce the reaction temperature, but it is easy to cause excessive hydrogenation of CO2 to produce methane, thereby reducing the selectivity of the target product methanol.
It is worth mentioning that in a small laboratory test, the single-pass conversion rate of CO2 at 180 degrees Celsius can reach 12.
Professor Felix Studt of the Karlsruhe Institute of Technology in Germany said that the efficient conversion and utilization of CO2 is an important part of achieving carbon peaking and carbon neutrality.
