| Molecular Formula | 0.16CuO·0.84Na2O·Al2O3·(2.5±0.5)SiO2·(6.5±0. |
| Physical and Chemical Properties | Chemical properties are an active catalyst on both inner and outer surfaces. Non-toxic, odorless, non-burning, non-explosive. Good selectivity, can be used under high temperature conditions, stable activity. |
| Use | Mainly used for aviation gasoline and the corresponding fractions of lamp oil and liquid hydrocarbons, isopropanol, propane and other products of thiol. The thiol content in the treated product may be less than 5 x 10-6. |
hydrothermal synthesis method uses water glass, sodium metaaluminate and sodium hydroxide as raw materials. For the preparation of water glass solution and sodium metaaluminate solution, please refer to 3A molecular sieve.
Water glass, sodium metaaluminate and sodium hydroxide are mixed at a certain molar ratio (generally A12O3:SiO2:Na2O:H2O = 1:3.66:4.18:181), and orienting agent is added, and the reaction is carried out under strong stirring above 40 ℃. The gel generated by the reaction is heated to (102±2)℃, and crystallized statically at this temperature at constant temperature, and the formed crystals are filtered and washed, add copper chloride for ion exchange (exchange degree 16%), then filter and wash until there is no chloride ion, dry to obtain crystal powder, and then add binder (sheep sweet soil, synthetic glue) to knead, form, burn and activate to obtain 203 molecular sieve.