Patent ID: 6156696
Filing Date: 2000-12-05
Classification: B01D,B01J,C01B,C10G

Abstract:
A crystalline solid composition comprising layered hydrotalcite in crystalline sheet form having a breadth to thickness ratio of 50:1 to 5000:1,said layered hydrotalcite having a brucite crystalline structure containing divalent and trivalent metal oxides comprising predominantly magnesia and alumina present in the brucite structure in molar ratio of 3:1 to 8:1 magnesia:alumina, wherein said solid crystalline composition contains an effective amount of oxidative metal catalyst and wherein said solid crystalline composition comprises at least 10 wt % hydrotalcite and 10 to 50 wt % of a ZnO and TiO.sub.2 mixture.