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June 4, 2020 07:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/mJH4JFOqyPo/australian-researchers-set-record-for-carbon-dioxide-capture
Australian Researchers Set Record For Carbon Dioxide Capture
Researchers from Monash University and the CSIRO have set a record for carbon dioxide capture and storage (CCS) using technology that resembles a sponge filled with tiny magnets. Phys.Org reports: Using a Metal Organic Frameworks (MOFs) nanocomposite that can be regenerated with remarkable speed and low energy cost, researchers have developed sponge-like technology that can capture carbon dioxide from a number of sources, even directly from air. The magnetic sponge is used to remove carbon dioxide using the same techniques as induction cooktops using one-third of the energy than any other reported method. In the study, published in Cell Reports Physical Science, researchers designed a unique adsorbent material called M-74 CPT@PTMSP that delivered a record low energy cost of just 1.29 MJ kg-1CO2 , 45 per cent below commercially deployed materials, and the best CCS efficiency recorded. MOFs are a class of compounds consisting of metal ions that form a crystalline material with the largest surface area of any material known. In fact, MOFs are so porous that they can fit the entire surface of a football field in a teaspoon. This technology makes it possible to store, separate, release or protect valuable commodities, enabling companies to develop high value products. The stability of M-74 CPT@PTMSP was evaluated by estimating the amount of CO2 and H2O captured and released via the researchers' magnetic induction swing adsorption (MISA) process over 20 consecutive cycles. The regeneration energy calculated for M-74 CPT@PTMSP is the lowest reported for any solid porous adsorbent. At magnetic fields of 14 and 15 mT, the regeneration energy calculated for M-74 CPT was 1.29 and 1.44 MJ kg CO2-1.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/mJH4JFOqyPo/australian-researchers-set-record-for-carbon-dioxide-capture
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