Synthesis of smectite/layered double hydroxide (LDH) composite and its porous property

Abstract

In this study, smectite / LDH composites were prepared using synthetic and natural saponites and co-precipitated layered double hydroxide (Mg-Al-LDH) by stirring in distilled water and dry and wet milling. The XRD peaks of LDH phase in the composites were clearer than that of just mixed sample of saponite and LDH. The wet milled sample had higher specific surface area than the dry milled sample, and this may be caused from re-lamination of saponite layers in these composites.