Patent ID: 7601663

Claim:
A porous solid acid catalyst for producing light olefins, comprising a product formed by a pillaring reaction and a solid state reaction through heat treatment of a raw material mixture, and has a crystalline structure represented by an X-ray diffraction pattern as follows: 2θ Relative intensity 7.899 81.4 8.760 48.1 14.76 15.3 19.92 15.2 20.36 21.2 23.06 100 23.88 59.7 24.36 24.5 25.60 15.3 25.82 18.4 26.60 22.2 26.86 20.8 29.90 22.5 45.00 17.5 45.48 17.4 wherein the raw material mixture comprises 42.0-60.0 wt % HZSM-5 having Si/Al molar ratio of 15-300, 12.0-38.0 wt % layered compound, 1.0-20.0 wt % Al 2 O 3 , 1.0-4.0 wt % P 2 O 5 , 10.0-15.0 wt % SiO 2 , and 0.5-2.5 wt % B 2 O 3 based on an oxide form.