| abstract |
Methods for adsorbing toxic target chemical compounds such as HCN, P(O)(OCH 2 CH 3 )(CN)(N(CH 3 ) 2 ), ClCN, (CF 3 ) 2 C═CF 2 , Zn(CH 2 CH 3 ) 2 , Hg(CH 3 ) 2 , Fe(CO) 5 , (P)(O)(CH 3 )(F)[OCH(CH 3 ) 2 ], S(CH 2 CH 2 Cl) 2 , C 6 H 5 C(O)CH 2 Cl, C(O)Cl 2 , C 6 Cl 5 OH, C 6 H 3 (OH)(NO 2 ) 3 , C 6 H 5 (Br)(CN), C 6 H 5 CH 2 CN and (CF 3 )C═CF 2 are provided wherein such compounds (either as gases, liquids or solids) are contacted with nanoscale oxide adsorbents, such as MgO and CaO, preferably at a temperature in the range of -70 to 90° C. and at atmospheric pressure. The preferred adsorbents have an average particle size of from about 1-20 nm, and have a total pore volume of at least about 0.5 cc/g. |