单词	activated carbon
释义	activated carbon noun : a highly adsorbent powdered or granular carbon made usually by carbonization and chemical activation and used chiefly for purifying by adsorption called also activated charcoal Example Sentences Recent Examples on the Web Other filtration technologies are harder to evaluate, including those that incorporate activated carbon and ultraviolet light. Rachel Rothman, Good Housekeeping, 21 June 2022 The Blueair Blue Pure 211+ air purifier ($299 at Home Depot) has activated carbon pellets incorporated into the pleated filter. oregonlive, 14 May 2021 These Kinglight activated carbon filters are made from cotton and non-woven material. NBC News, 15 Aug. 2020 The Blueair Blue Pure 211+ air purifier ($299 at Best Buy and Home Depot) has activated carbon pellets incorporated into the pleated filter, says Consumer Reports. oregonlive, 15 Sep. 2020 In auto mode, Dyson purifiers will automatically sense any pollutants in the room and will adjust accordingly to capture the pollutants in the HEPA and activated carbon filter system. Sunset Magazine, 10 Sep. 2020 Many filters also include activated carbon in their elements to remove unpleasant tastes. The Editors, Field & Stream, 27 Apr. 2020 Many filters also include activated carbon in the elements to remove unpleasant tastes. The Editors, Field & Stream, 5 Mar. 2020 Lead scientist Ahmed Osman says the U.K. typically pays to import materials to make both activated carbon and carbon nanotubes from overseas. Caroline Delbert, Popular Mechanics, 26 Nov. 2019 See More Word History First Known Use 1921, in the meaning defined above
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