摘要 |
Mixts. of CO and H2 are converted to hydrocarbons in contact with a catalytic mixt. of (A) a methanol synthesis catalyst contg. ZnO and Cr2O3 with Zn:Cr ratio below 4:1, and (B) a crystalline zeolite component with SiO2:Al2O3 ratio over 12, pore dimensions above 5 angstroms and constraint index 1-12, made by mixing the components with particle size below 80 mesh and pelleting the mixt. to particles below 20 mesh in size. Used for prodn. of aromatic mixts. for use as intermediates, etc. The catalysts show high activity and selectivity for aromatics and liquid natural gas prodn., with good stability in use. Coke deposition is very low and the carbon can be burnt off to regenerate the catalyst. |