3 research outputs found
Investigation of non-oxidative methane conversion over granulated Mo/ZSM-5 catalysts
The relevance of the investigation is caused by the need for rational use of natural hydrocarbon gases, containing methane as the main component. Currently, plenty of these gases are burned in flares at oil production sites, that does great damage to the environment in the oil-producing regions of our country. The most promising process that allows obtaining valuable chemical products is the non-oxidative methane conversion into aromatic hydrocarbons over zeolite catalysts modified with transition metal ions. The Mo/ZSM-5 catalysts have high activity in this process. These catalysts are obtained both by impregnation and solid-phase synthesis. Development of the method of preparation of Mo/ZSM-5 catalysts using binder is of great importance for the industrial technology of processing gaseous hydrocarbons. The aim of the work is to study the effect of concentration and method of introducing a binder on physicochemical and catalytic properties of the Mo/ZSM-5 catalyst in non-oxidative methane conversion. Methods of investigation: IR spectroscopy, low-temperature adsorption of nitrogen, temperature-programmed desorption of ammonia (TPD-NH3), gas chromatography. Results. The Mo-containing catalyst based on ZSM-5 zeolite and nanosized molybdenum powder was prepared via solid-phase synthesis. The authors have studied the effect of a binder on physicochemical properties and activity of the Mo/ZSM-5 catalyst in non-oxidative conversion of methane into aromatic hydrocarbons. It was ascertained that the addition of a binder to the Mo/ZSM-5 catalyst results in a change in its texture and acid characteristics. It is shown that the activity of the Mo-containing zeolite during the non-oxidative conversion of methane into aromatic hydrocarbons is determined by the concentration of the binder in the catalyst and does not depend on the method of its introduction
Investigation of non-oxidative methane conversion over granulated Mo/ZSM-5 catalysts
ΠΠΊΡΡΠ°Π»ΡΠ½ΠΎΡΡΡ ΡΠ°Π±ΠΎΡΡ ΠΎΠ±ΡΡΠ»ΠΎΠ²Π»Π΅Π½Π° Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎΡΡΡΡ ΡΠ°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΈΡΠΎΠ΄Π½ΡΡ
ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Π½ΡΡ
Π³Π°Π·ΠΎΠ², ΠΎΡΠ½ΠΎΠ²Π½ΡΠΌ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΎΠΌ ΠΊΠΎΡΠΎΡΡΡ
ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΌΠ΅ΡΠ°Π½ ΠΈ ΠΊΠΎΡΠΎΡΡΠ΅ Π² Π½Π°ΡΡΠΎΡΡΠ΅Π΅ Π²ΡΠ΅ΠΌΡ Π² Π±ΠΎΠ»ΡΡΠΎΠΌ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²Π΅ ΡΠΆΠΈΠ³Π°ΡΡΡΡ Π² ΡΠ°ΠΊΠ΅Π»ΡΠ½ΡΡ
ΡΡΡΠ°Π½ΠΎΠ²ΠΊΠ°Ρ
Π½Π΅ΡΡΠ΅ΠΏΡΠΎΠΌΡΡΠ»ΠΎΠ². ΠΠ°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Π½ΡΠΌ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠΌ, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠΈΠΌ ΠΏΠΎΠ»ΡΡΠ°ΡΡ ΠΈΠ· Π½ΠΈΡ
ΡΠ΅Π½Π½ΡΠ΅ Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΏΡΠΎΠ΄ΡΠΊΡΡ, ΡΠ²Π»ΡΠ΅ΡΡΡ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½Π°Ρ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΡ ΠΌΠ΅ΡΠ°Π½Π° Π² Π°ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Ρ Π½Π° ΡΠ΅ΠΎΠ»ΠΈΡΠ½ΡΡ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ°Ρ
, ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΠΈΠΎΠ½Π°ΠΌΠΈ ΠΏΠ΅ΡΠ΅Ρ
ΠΎΠ΄Π½ΡΡ
ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ². ΠΠ°ΠΈΠ±ΠΎΠ»ΡΡΡΡ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ Π² ΡΡΠΎΠΌ ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΠΏΡΠΎΡΠ²Π»ΡΡΡ Mo/ZSM-5 ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ, ΠΊΠΎΡΠΎΡΡΠ΅ ΠΏΠΎΠ»ΡΡΠ°ΡΡ ΠΊΠ°ΠΊ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΏΡΠΎΠΏΠΈΡΠΊΠΈ, ΡΠ°ΠΊ ΠΈ ΡΠ²Π΅ΡΠ΄ΠΎΡΠ°Π·Π½ΡΠΌ ΡΠΈΠ½ΡΠ΅Π·ΠΎΠΌ. Π Π°Π·ΡΠ°Π±ΠΎΡΠΊΠ° Π½Π°ΡΡΠ½ΡΡ
ΠΎΡΠ½ΠΎΠ² ΠΏΡΠΈΠ³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ ΠΠΎ/ZSM-5 ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΡΠ²ΡΠ·ΡΡΡΠ΅Π³ΠΎ Π²Π΅ΡΠ΅ΡΡΠ²Π° ΡΠ°Π·Π»ΠΈΡΠ½ΠΎΠΉ ΠΏΡΠΈΡΠΎΠ΄Ρ ΠΈΠΌΠ΅Π΅Ρ Π±ΠΎΠ»ΡΡΠΎΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ Π΄Π»Ρ ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΠΎΠ³ΠΎ Π²Π½Π΅Π΄ΡΠ΅Π½ΠΈΡ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ Π³Π°Π·ΠΎΠΎΠ±ΡΠ°Π·Π½ΡΡ
ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄ΠΎΠ². Π¦Π΅Π»Ρ ΡΠ°Π±ΠΎΡΡ: ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π²Π»ΠΈΡΠ½ΠΈΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΠΈ ΡΠΏΠΎΡΠΎΠ±Π° Π²Π²Π΅Π΄Π΅Π½ΠΈΡ ΡΠ²ΡΠ·ΡΡΡΠ΅Π³ΠΎ Π²Π΅ΡΠ΅ΡΡΠ²Π° Π½Π° ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈ ΠΊΠ°ΡΠ°Π»ΠΈΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° Mo/ZSM-5 ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π°. ΠΠ΅ΡΠΎΠ΄Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ: ΠΠ-ΡΠΏΠ΅ΠΊΡΡΠΎΡΠΊΠΎΠΏΠΈΡ, Π½ΠΈΠ·ΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½Π°Ρ Π°Π΄ΡΠΎΡΠ±ΡΠΈΡ Π°Π·ΠΎΡΠ°, ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎ-ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠΈΡΠΎΠ²Π°Π½Π½Π°Ρ Π΄Π΅ΡΠΎΡΠ±ΡΠΈΡ Π°ΠΌΠΌΠΈΠ°ΠΊΠ° (Π’ΠΠ-NH3), Π³Π°Π·ΠΎΠ²Π°Ρ Ρ
ΡΠΎΠΌΠ°ΡΠΎΠ³ΡΠ°ΡΠΈΡ. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ ΡΠ²Π΅ΡΠ΄ΠΎΡΠ°Π·Π½ΠΎΠ³ΠΎ ΡΠΈΠ½ΡΠ΅Π·Π° ΠΏΠΎΠ»ΡΡΠ΅Π½ Mo-ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΠΉ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΠ΅ΠΎΠ»ΠΈΡΠ° ΡΡΡΡΠΊΡΡΡΠ½ΠΎΠ³ΠΎ ΡΠΈΠΏΠ° ZSM-5 ΠΈ Π½Π°Π½ΠΎΡΠ°Π·ΠΌΠ΅ΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΡΠΎΡΠΊΠ° ΠΌΠΎΠ»ΠΈΠ±Π΄Π΅Π½Π°. ΠΡΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π²Π»ΠΈΡΠ½ΠΈΡ ΡΠ²ΡΠ·ΡΡΡΠ΅Π³ΠΎ Π²Π΅ΡΠ΅ΡΡΠ²Π° Π½Π° ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΈ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ Mo/ZSM-5 ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π° Π² Π°ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Ρ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π΄ΠΎΠ±Π°Π²ΠΊΠ° ΡΠ²ΡΠ·ΡΡΡΠ΅Π³ΠΎ Π²Π΅ΡΠ΅ΡΡΠ²Π° ΠΊ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ Mo/ZSM-5 ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ Π΅Π³ΠΎ ΡΠ΅ΠΊΡΡΡΡΠ½ΡΡ
ΠΈ ΠΊΠΈΡΠ»ΠΎΡΠ½ΡΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ Mo-ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠ΅Π³ΠΎ ΡΠ΅ΠΎΠ»ΠΈΡΠ° Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π° Π² Π°ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Ρ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅ΡΡΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠ΅ΠΉ ΡΠ²ΡΠ·ΡΡΡΠ΅Π³ΠΎ Π²Π΅ΡΠ΅ΡΡΠ²Π° Π² ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ΅ ΠΈ Π½Π΅ Π·Π°Π²ΠΈΡΠΈΡ ΠΎΡ ΡΠΏΠΎΡΠΎΠ±Π° Π΅Π³ΠΎ Π²Π²Π΅Π΄Π΅Π½ΠΈΡ.The relevance of the investigation is caused by the need for rational use of natural hydrocarbon gases, containing methane as the main component. Currently, plenty of these gases are burned in flares at oil production sites, that does great damage to the environment in the oil-producing regions of our country. The most promising process that allows obtaining valuable chemical products is the non-oxidative methane conversion into aromatic hydrocarbons over zeolite catalysts modified with transition metal ions. The Mo/ZSM-5 catalysts have high activity in this process. These catalysts are obtained both by impregnation and solid-phase synthesis. Development of the method of preparation of Mo/ZSM-5 catalysts using binder is of great importance for the industrial technology of processing gaseous hydrocarbons. The aim of the work is to study the effect of concentration and method of introducing a binder on physicochemical and catalytic properties of the Mo/ZSM-5 catalyst in non-oxidative methane conversion. Methods of investigation: IR spectroscopy, low-temperature adsorption of nitrogen, temperature-programmed desorption of ammonia (TPD-NH3), gas chromatography. Results. The Mo-containing catalyst based on ZSM-5 zeolite and nanosized molybdenum powder was prepared via solid-phase synthesis. The authors have studied the effect of a binder on physicochemical properties and activity of the Mo/ZSM-5 catalyst in non-oxidative conversion of methane into aromatic hydrocarbons. It was ascertained that the addition of a binder to the Mo/ZSM-5 catalyst results in a change in its texture and acid characteristics. It is shown that the activity of the Mo-containing zeolite during the non-oxidative conversion of methane into aromatic hydrocarbons is determined by the concentration of the binder in the catalyst and does not depend on the method of its introduction
Granular hierarchically porous Mo-containing ZSM-5 zeolites with different level of acidity in non-oxidative conversion of methane to aromatic hydrocarbons
ΠΠΊΡΡΠ°Π»ΡΠ½ΠΎΡΡΡ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½Π½ΠΎΠ³ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ²ΡΠ·Π°Π½Π° Ρ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΠ΅ΠΌ Π°ΠΊΡΠΈΠ²Π½ΡΡ
ΠΈ ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΡΡ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² Π΄Π»Ρ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΏΡΠΈΡΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΈ Π½Π΅ΡΡΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠΏΡΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·ΠΎΠ², ΠΎΡΠ½ΠΎΠ²Π½ΡΠΌ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΎΠΌ ΠΊΠΎΡΠΎΡΡΡ
ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΌΠ΅ΡΠ°Π½, Π² ΡΠ΅Π½Π½ΡΠ΅ Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΏΡΠΎΠ΄ΡΠΊΡΡ. ΠΠ°ΠΈΠ±ΠΎΠ»ΡΡΠΈΠΉ ΠΈΠ½ΡΠ΅ΡΠ΅Ρ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»ΡΠ΅Ρ ΠΏΡΠΎΡΠ΅ΡΡ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π° Π² Π°ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Ρ Π½Π° ΡΠ΅ΠΎΠ»ΠΈΡΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΡ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ°Ρ
, ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΠΌΠ΅ΡΠ°Π»Π»Π°ΠΌΠΈ. Π¦Π΅Π»Ρ: ΡΡΠ°Π²Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ ΠΊΠ°ΡΠ°Π»ΠΈΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π° Π² Π°ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Ρ ΠΠΎ-ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΡ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π³ΡΠ°Π½ΡΠ»ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΡΠ΅ΠΎΠ»ΠΈΡΠΎΠ² ZSM-5 Π²ΡΡΠΎΠΊΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠ½ΠΎΡΡΠΈ Ρ ΠΈΠ΅ΡΠ°ΡΡ
ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠΎΡΠΈΡΡΠΎΠΉ ΡΡΡΡΠΊΡΡΡΠΎΠΉ Π΄ΠΎ ΠΈ ΠΏΠΎΡΠ»Π΅ Π΄Π΅Π°Π»ΡΠΌΠΈΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π²ΠΎΠ΄Π½ΡΠΌ ΡΠ°ΡΡΠ²ΠΎΡΠΎΠΌ Π»ΠΈΠΌΠΎΠ½Π½ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΡ. ΠΠ±ΡΠ΅ΠΊΡΡ: Mo/ZSM-5 ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π°. ΠΠ΅ΡΠΎΠ΄Ρ: ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΡΠ»ΡΠΎΡΠ΅ΡΡΠ΅Π½ΡΠ½ΡΠΉ Π°Π½Π°Π»ΠΈΠ·, Π Π€Π, Π‘ΠΠ, Π½ΠΈΠ·ΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½Π°Ρ Π°Π΄ΡΠΎΡΠ±ΡΠΈΡ Π°Π·ΠΎΡΠ°, ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎ-ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠΈΡΠΎΠ²Π°Π½Π½Π°Ρ Π΄Π΅ΡΠΎΡΠ±ΡΠΈΡ Π°ΠΌΠΌΠΈΠ°ΠΊΠ° (Π’ΠΠ-NH3), Π³Π°Π·ΠΎΠ²Π°Ρ Ρ
ΡΠΎΠΌΠ°ΡΠΎΠ³ΡΠ°ΡΠΈΡ. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ ΠΊΠ°ΡΠ°Π»ΠΈΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π° Π² Π°ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Ρ Π³ΡΠ°Π½ΡΠ»ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΠΠΎ-ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΡ
ΡΠ΅ΠΎΠ»ΠΈΡΠ½ΡΡ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² ΡΠ°Π·Π»ΠΈΡΠ½ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΠ½ΠΎΡΡΠΈ Ρ ΠΈΠ΅ΡΠ°ΡΡ
ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠΎΡΠΈΡΡΠΎΠΉ ΡΡΡΡΠΊΡΡΡΠΎΠΉ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ, ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π³ΡΠ°Π½ΡΠ»ΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΠ΅ΠΎΠ»ΠΈΡΠ° ZSM-5 Π²ΡΡΠΎΠΊΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠ½ΠΎΡΡΠΈ Ρ ΠΈΠ΅ΡΠ°ΡΡ
ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠΎΡΠΈΡΡΠΎΠΉ ΡΡΡΡΠΊΡΡΡΠΎΠΉ, ΡΠ²Π»ΡΡΡΡΡ Π±ΠΎΠ»Π΅Π΅ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΡΠΌΠΈ Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ Π½Π΅ΠΎΠΊΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΠΈ ΠΌΠ΅ΡΠ°Π½Π° ΠΏΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Ρ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠΌ, ΠΏΡΠΈΠ³ΠΎΡΠΎΠ²Π»Π΅Π½Π½ΡΠΌ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌ ΡΠΏΠΎΡΠΎΠ±ΠΎΠΌ ΡΠΎ ΡΠ²ΡΠ·ΡΡΡΠΈΠΌ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠΌ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π½Π°ΠΈΠ±ΠΎΠ»ΡΡΠ°Ρ ΠΊΠΎΠ½Π²Π΅ΡΡΠΈΡ ΠΌΠ΅ΡΠ°Π½Π° ΠΈ ΠΌΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΡΠΉ Π²ΡΡ
ΠΎΠ΄ Π°ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄ΠΎΠ² ΡΠΎΡΡΠ°Π²Π»ΡΡΡ 18,3 ΠΈ 14,4 %, ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²Π΅Π½Π½ΠΎ, ΠΈ Π΄ΠΎΡΡΠΈΠ³Π°ΡΡΡΡ Π½Π° ΠΊΠ°ΡΠ°Π»ΠΈΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΠ΅, ΠΏΡΠΈΠ³ΠΎΡΠΎΠ²Π»Π΅Π½Π½ΠΎΠΉ Π½Π°Π½Π΅ΡΠ΅Π½ΠΈΠ΅ΠΌ 4 % ΠΌΠ°Ρ. MoΠ3 Π½Π° Π΄Π΅Π°Π»ΡΠΌΠΈΠ½ΠΈΡΠΎΠ²Π°Π½Π½ΡΠΉ Π² ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ΅ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠΈ 0,3 N ΡΠ°ΡΡΠ²ΠΎΡΠΎΠΌ Π»ΠΈΠΌΠΎΠ½Π½ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΡ Π³ΡΠ°Π½ΡΠ»ΠΈΡΠΎΠ²Π°Π½Π½ΡΠΉ ΡΠ΅ΠΎΠ»ΠΈΡ ZSM-5 Π²ΡΡΠΎΠΊΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠ½ΠΎΡΡΠΈ Ρ ΠΈΠ΅ΡΠ°ΡΡ
ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠΎΡΠΈΡΡΠΎΠΉ ΡΡΡΡΠΊΡΡΡΠΎΠΉ.The relevance of the work is related to the development of active and selective catalysts for processing natural and petroleum associated gases, the main component of which is methane, into valuable chemical products. Methane non-oxidative conversion into aromatic hydrocarbons on zeolite-containing catalysts modified with metals is of the greatest interest. The aim of this work is comparative study of physicochemical and catalytic properties in methane non-oxidative conversion into aromatic hydrocarbons of Mo-containing catalysts based on granular zeolites ZSM-5 of a high degree of crystallinity with a hierarchical porous structure before and after dealuminating with aqueous solution of citric acid. Methods: X-ray fluorescence analysis, XRF, SEM, nitrogen low-temperature adsorption, temperature-programmed desorption of ammonia (TPD-NH3), gas chromatography. Results. The paper presents the results of the investigation of physicochemical and catalytic properties of granular hierarchically porous Mo-containing ZSM-5 zeolites with different level of acidity in the course of non-oxidative conversion of methane to aromatic hydrocarbons. It is shown that catalysts based on a granular high crystalline ZSM-5 zeolite with a hierarchical porous structure are more effective in the nonoxidative conversion of methane compared to a catalyst prepared by a traditional method with a binder. It was found out that the highest methane conversion and the maximum yield of aromatic hydrocarbons are 18,3 and 14,4 %, respectively. These results are achieved over a catalytic system prepared by applying 4 wt. % of MoO3 on a granular hierarchically porous ZSM-5 zeolite of high crystallinity dealuminated by the treatment with 0,3 N citric acid solution. The maximum total selectivity of formation of aromatic hydrocarbons is observed on the Mo/ZSM-5mmm catalyst. At the same time, the selectivity of aromatic hydrocarbons on the catalysts Mo/ZSM-5mmm and Mo/ZSM-5mm/CA differ slightly