Patent ID: 7988766
Filing Date: 2011-08-02
Classification: B01D,B01J,B82Y,Y02C,Y02P

Abstract:
1. A method for at least partially removing an adsorbate from a phase, said method comprising: providing an adsorbent material; contacting said adsorbent material with said phase having an adsorbate, thereby at least partially removing said adsorbate; said adsorbent material having the chemical formula RE RE is a rare earth metal selected from the group consisting of Ce, Pr, Sm, Eu, Tb, Tm, and Yb; B is a trivalent metal ion selected from the group consisting of Gd, Nd, Dy, Ho, Er, Lu, Sc, Y, La, Bi, Sb, In, Sn, Ga, and Al; B′ is a transition metal ion selected from the group consisting of Ti, Zr, V, Cr, Mn, Fe, Ru, Co, and Ni, or B′ is an alkaline earth element selected from the group consisting of Mg, Ca, Sr, and Ba; B″ is a transition metal ion selected from the group consisting of Cu, Ag, and Zn; 0≦x≦0.25; 0≦y≦0.95; 0≦z≦0.75; w is a number which results in charge balance; and x+y+z<1; wherein said phase is a gas and said adsorbate is selected from the group consisting of hydrogen cyanide, formaldehyde, carbon dioxide, ethylene, mercury, nitrogen containing compounds, amines, H 2 S, organosulfides, and metals.