FIELD: chemistry.
SUBSTANCE: present invention relates to an in-situ method for preparing a catalyst for production of at least one of toluene, para-xylene and lower olefins, as well as a reaction process for the production of at least one of toluene, para-xylene and lower olefins, and relates to the field chemical technology. Described is a method of in-situ preparation of a catalyst in which a modifier is brought into contact with a zeolite molecular sieve in a reactor for in-situ preparation of a catalyst for the production of para-xylene, toluene and / or lower olefins from a raw material containing methanol and / or dimethyl ether; and the reactor is a reactor for producing para-xylene, toluene and / or lower olefins from a raw material containing methanol and / or dimethyl ether. The modifier contains at least one of the following modifiers: Modifier I: a phosphorus-containing reagent and a silylating reagent; Modifier II: silylating agent; Modifier III: silylating agent and steam; Modifier IV: phosphorus-containing reagent, silylating reagent and water vapor. Also described is a method for carrying out the following reaction, in which a raw material containing methanol and / or dimethyl ether and toluene is brought into contact with a catalyst. Also disclosed is a method for carrying out the following reaction in which a raw material containing methanol and / or dimethyl ether and benzene is brought into contact with the catalyst.
EFFECT: development of an easy-to-operate method of in-line catalyst production for production of para-xylene or lower olefins and the joint production of para-xylene.
21 cl, 41 tbl, 45 ex, 6 dwg
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