A new ZrO2/Al2O3 packing catalyst developed by researchers at Tsinghua University and North China Electric Power University offers a breakthrough in energy-efficient CO₂ desorption for amine scrubbing processes. Traditional CO₂ capture methods require high-energy steam for solvent regeneration, but this catalyst reduces the activation energy of carbamate decomposition by 40.7%, cutting energy consumption by 27.56% and overall costs by 10.49%. Synthesized via a hydrothermal method, the catalyst’s unique Zr–O–Al structure enhances proton transfer, accelerates CO₂ desorption, and exhibits excellent stability in alkaline solvents. Process simulations using Aspen Plus confirmed its effectiveness in industrial applications, showing promise for scalable and sustainable CO₂ emission reduction technologies. The findings were published in Engineering.
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