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activated alumina

noun, Chemistry
1.
alumina in the form of granules having many fine pores, used to adsorb water and various gases.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for activated alumina
  • activated alumina adsorption process removes fluoride from ground water.
  • Granular activated alumina was the first adsorptive media successfully used.
  • activated alumina is a sorption process that uses porous, granular material with ion exchange properties.
British Dictionary definitions for activated alumina

activated alumina

noun
1.
a granular highly porous and adsorptive form of aluminium oxide, used for drying gases and as an oil-filtering material and catalyst
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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