Modified preparation, and characteristic of vermiculite as catalysts support for catalytic pyrolysis

Natural vermiculite, used as layered catalyst support, was modified with different chemical methods, such acid treatment, introducing into Na + and organic modification. The vermiculite-based catalysts were characterized by SEM, BET XRD respect to their images, textures structures. SEM results presented big pieced of lamellate vermiculite which had complete structure piled tightly, the expansion layer vermiculites. According results, it been found that a characteristic peak appeared at 2° compared natural spacing layers samples increased obviously. These corresponded vermiculites larger surface area pore diameter than sample. It meant modification beneficial broaden potential support.