FIELD: chemistry.
SUBSTANCE: invention relates to a method of preparing an aluminum oxide catalyst for producing styrene from methylphenylcarbinol (1-phenylethanol) (MPC) at high temperature in the presence of a dehydration catalyst, in which the dehydration catalyst includes molded particles of a catalyst based on aluminum oxide, which are obtained by extrusion on piston presses from pre-molded workpieces from paste with moisture content of 55–60 % at a pressure of not less than 5–15 MPa, and calcination is carried out at temperature of 440–490 °C.
EFFECT: technical result consists in improvement of mechanical strength of catalyst while maintaining high conversion and selectivity.
1 cl, 1 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PRODUCING CATALYST FOR METHYLPHENYL CARBINOL DEHYDRATION | 2020 |
|
RU2750657C1 |
| METHOD FOR ACTIVATING A CATALYST BASED ON GAMMA-ALUMINIUM OXIDE FOR PRODUCING STYRENE | 2021 |
|
RU2760678C1 |
| METHOD FOR PREPARING UNIVERSAL BIFUNCTIONAL CATALYST TO CONVERT SYNTHESIS GAS AND HYDROCARBONS TO GASOLINE FRACTIONS | 2018 |
|
RU2676086C1 |
| METHOD OF PRODUCING STYRENE | 2019 |
|
RU2721772C1 |
| CALCIUM PHOSPHATE CATALYST FOR VAPOUR-PHASE DEHYDRATION OF METHYPHENYLCARBINOL FRACTION | 2015 |
|
RU2608303C1 |
| STYRENE PRODUCTION PROCESS | 2004 |
|
RU2323198C2 |
| METHOD OF PRODUCING STYRENE | 2019 |
|
RU2721773C1 |
| METHOD FOR OBTAINING A SPHERICAL CATALYST AND ISOBUTANE ALKYLATION CATALYST WITH ISOBUTENE | 2017 |
|
RU2671413C1 |
| STYRENE PRODUCTION PROCESS | 1996 |
|
RU2120934C1 |
| CATALYTIC ELEMENT OF A REGULAR CELLULAR STRUCTURE FOR HETEROGENEOUS REACTIONS | 2021 |
|
RU2756660C1 |
