With B-ZSM-5 zeolite from modified hydrothermal synthesis as precursor,Ti-ZSM-5 samples were synthesized under different gas-solid reaction temperature.The samples were characterized with TG,XRD,XRF,FT-IR,UV-Vis and s...
Supported by the National Key Basic Research Project of China(G2000048009);the Doctorate Foundation of Liaoning Province(2001102085)
The propylene epoxidation over TS-1/SiO2 catalyst hydrothermally treated was investigated. It was found by EPR characterization that two types of Ti (IV)-superoxide radicals, A (gz=2.0271; gy=2.0074; gx=2.0010) and ...