Cliff Johnston, professor of agronomy in the College of Agriculture and earth, atmospheric, and planetary sciences in the College of Science at Purdue University, looks through a clay molecular structure. (IMAGE)
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One of Earth's most common nanomaterials is facilitating breakthroughs in tackling climate change: clay. In a new study, researchers at Purdue University, in collaboration with experts from Sandia National Laboratories, have potentially uncovered a game-changing method for using clay to capture carbon dioxide (CO2) directly from the air to help mitigate climate change.
Their work, which earned them a 2024 R&D 100 Award and has a patent application in progress, was recently published in The Journal of Physical Chemistry C.
This study is the first to report on the simultaneous absorption of carbon dioxide and water by a clay mineral at ambient concentrations of carbon dioxide, providing valuable insights into how these abundant resources can be harnessed for better carbon capture.
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