4 research outputs found
Investigation of Physicochemical Properties of Partially Spent PlatinumβRhenium Reforming Catalyst
ΠΠ·ΡΡΠ΅Π½Ρ ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΡΠ°ΡΡΠΈΡΠ½ΠΎ ΠΎΡΡΠ°Π±ΠΎΡΠ°Π½Π½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° Pt-Re-Cl/
Al2O3 ΡΠΈΡΠΎΡΠΌΠΈΠ½Π³Π° Π½Π΅ΡΡΡΠ½ΡΡ
ΡΡΠ°ΠΊΡΠΈΠΉ (R-98 UOP). Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΡΠΊΡΠΏΠ»ΡΠ°ΡΠ°ΡΠΈΠΈ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° ΠΏΡΠΎΠΈΡΡ
ΠΎΠ΄ΠΈΠ»ΠΎ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΠ΅ΠΊΡΡΡΡΠ½ΡΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ, Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π°,
ΡΠ°ΡΡΠΈΡΠ½ΠΎΠ΅ ΡΠ°Π·ΠΎΠ²ΠΎΠ΅ ΠΏΡΠ΅Π²ΡΠ°ΡΠ΅Π½ΠΈΠ΅ Π°Π»ΡΠΌΠΎΠΎΠΊΡΠΈΠ΄Π½ΠΎΠ³ΠΎ Π½ΠΎΡΠΈΡΠ΅Π»Ρ, Π½Π°ΠΊΠΎΠΏΠ»Π΅Π½ΠΈΠ΅ ΠΌΠ΅ΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΈΠΌΠ΅ΡΠ΅ΠΉ ΠΈ ΡΠ³Π»Π΅ΡΠΎΠ΄ΠΈΡΡΡΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ. ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΠ‘Π ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠ΅ Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΠΈΠΏΠΎΠ² ΡΠ³Π»Π΅ΡΠΎΠ΄ΠΈΡΡΡΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ, Π²ΡΠ³ΠΎΡΠ°ΡΡΠΈΡ
ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ°Ρ
. ΠΡ
ΠΏΠΎΠ»Π½ΠΎΠ΅ ΡΠ΄Π°Π»Π΅Π½ΠΈΠ΅ ΠΏΡΠΎΠΈΡΡ
ΠΎΠ΄ΠΈΡ ΠΏΡΠΈ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ°Ρ
500-550 Β°Π‘The physicochemical properties of the partially spent catalyst Pt-Re-Cl/Al2O3 reforming of petroleum
fractions (R- 98 UOP) have been studied. It has been found that during operation of the catalyst, a
reduction of textural characteristics, chemical composition, partial phase transformation of alumina
support, and accumulation of metallic impurities and carbon deposits take place. The DSC method
has been found the presence on the surface of the catalyst of various types of carbonaceous deposits
burnable at different temperatures. Their removal is complete at temperatures 500-550 Β°
Investigation of Physicochemical Properties of Partially Spent PlatinumβRhenium Reforming Catalyst
ΠΠ·ΡΡΠ΅Π½Ρ ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΡΠ°ΡΡΠΈΡΠ½ΠΎ ΠΎΡΡΠ°Π±ΠΎΡΠ°Π½Π½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° Pt-Re-Cl/
Al2O3 ΡΠΈΡΠΎΡΠΌΠΈΠ½Π³Π° Π½Π΅ΡΡΡΠ½ΡΡ
ΡΡΠ°ΠΊΡΠΈΠΉ (R-98 UOP). Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΡΠΊΡΠΏΠ»ΡΠ°ΡΠ°ΡΠΈΠΈ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° ΠΏΡΠΎΠΈΡΡ
ΠΎΠ΄ΠΈΠ»ΠΎ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΠ΅ΠΊΡΡΡΡΠ½ΡΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ, Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π°,
ΡΠ°ΡΡΠΈΡΠ½ΠΎΠ΅ ΡΠ°Π·ΠΎΠ²ΠΎΠ΅ ΠΏΡΠ΅Π²ΡΠ°ΡΠ΅Π½ΠΈΠ΅ Π°Π»ΡΠΌΠΎΠΎΠΊΡΠΈΠ΄Π½ΠΎΠ³ΠΎ Π½ΠΎΡΠΈΡΠ΅Π»Ρ, Π½Π°ΠΊΠΎΠΏΠ»Π΅Π½ΠΈΠ΅ ΠΌΠ΅ΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΈΠΌΠ΅ΡΠ΅ΠΉ ΠΈ ΡΠ³Π»Π΅ΡΠΎΠ΄ΠΈΡΡΡΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ. ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΠ‘Π ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠ΅ Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ
ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΠΈΠΏΠΎΠ² ΡΠ³Π»Π΅ΡΠΎΠ΄ΠΈΡΡΡΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ, Π²ΡΠ³ΠΎΡΠ°ΡΡΠΈΡ
ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ°Ρ
. ΠΡ
ΠΏΠΎΠ»Π½ΠΎΠ΅ ΡΠ΄Π°Π»Π΅Π½ΠΈΠ΅ ΠΏΡΠΎΠΈΡΡ
ΠΎΠ΄ΠΈΡ ΠΏΡΠΈ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ°Ρ
500-550 Β°Π‘The physicochemical properties of the partially spent catalyst Pt-Re-Cl/Al2O3 reforming of petroleum
fractions (R- 98 UOP) have been studied. It has been found that during operation of the catalyst, a
reduction of textural characteristics, chemical composition, partial phase transformation of alumina
support, and accumulation of metallic impurities and carbon deposits take place. The DSC method
has been found the presence on the surface of the catalyst of various types of carbonaceous deposits
burnable at different temperatures. Their removal is complete at temperatures 500-550 Β°
Novel Zirconia Based Catalysts for the Isomerization of Alkanes of Petroleum Fractions
Π ΡΡΠ°ΡΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Π·Π°ΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΠ½ΠΎΡΡΠ΅ΠΉ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΡ
ΡΠ°Π·ΠΎΠ²ΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π° ΠΈ ΡΠ΅ΠΊΡΡΡΡΠ½ΡΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π΄ΠΈΠΎΠΊΡΠΈΠ΄Π° ΡΠΈΡΠΊΠΎΠ½ΠΈΡ,
ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΡΠ»ΡΡΠ°ΡΠ½ΡΠΌΠΈ ΠΈ Π²ΠΎΠ»ΡΡΡΠ°ΠΌΠ°ΡΠ½ΡΠΌΠΈ Π°Π½ΠΈΠΎΠ½Π°ΠΌΠΈ ΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΠΌΠΈ
ΡΡΠ΅Ρ
Π²Π°Π»Π΅Π½ΡΠ½ΡΠΌΠΈ ΠΊΠ°ΡΠΈΠΎΠ½Π°ΠΌΠΈ Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡ ΡΠΎΡΡΠ°Π²Π° ΠΏΡΠ΅Π΄ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΈΠΊΠΎΠ² ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² ΠΈ
ΡΡΠ»ΠΎΠ²ΠΈΠΉ ΠΏΡΠΈΠ³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ. ΠΠ·ΡΡΠ΅Π½Ρ ΠΊΠ°ΡΠ°Π»ΠΈΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° Π² ΡΠ΅Π°ΠΊΡΠΈΡΡ
ΠΈΠ·ΠΎΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ Π½-Π°Π»ΠΊΠ°Π½ΠΎΠ²
Π‘4-Π‘7. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΡΡΠ»ΡΡΠ°ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½Ρ ΠΏΡΠΈ ΠΈΠ·ΠΎΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ
Π½ΠΈΠ·ΠΊΠΎΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΡΡ
Π°Π»ΠΊΠ°Π½ΠΎΠ² ΠΎΡ Π±ΡΡΠ°Π½Π° Π΄ΠΎ Π³Π΅ΠΊΡΠ°Π½Π°. ΠΠ»Ρ ΠΈΠ·ΠΎΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ Π°Π»ΠΊΠ°Π½ΠΎΠ² Π³Π΅ΠΊΡΠ°Π½-
Π³Π΅ΠΏΡΠ°Π½ΠΎΠ²ΡΡ
ΡΡΠ°ΠΊΡΠΈΠΉ Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½Ρ Π²ΠΎΠ»ΡΡΡΠ°ΠΌΠ°ΡΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΠ΅ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ.The data on the study of the formation of phase composition and textural properties of the catalysts
based on zirconia promoted by sulphate and tungstate anions and metal cations depended on the
composition of catalyst precursors and preparation conditions are presented in the paper. Catalytic
activity for the reaction of skeletal isomerization of C4-C7 n-alkanes are evaluated. Sulphated zirconia
catalysts are shown to behave high catalytic activity for isomerization of C4-C6 n-alkanes. However, the
tungstated zirconia based catalysts were mostly effective for selective isomerization of C6-C7 n-alkanes
into branched isomers with high octane numbers
Novel Zirconia Based Catalysts for the Isomerization of Alkanes of Petroleum Fractions
Π ΡΡΠ°ΡΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Π·Π°ΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΠ½ΠΎΡΡΠ΅ΠΉ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΡ
ΡΠ°Π·ΠΎΠ²ΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π° ΠΈ ΡΠ΅ΠΊΡΡΡΡΠ½ΡΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π΄ΠΈΠΎΠΊΡΠΈΠ΄Π° ΡΠΈΡΠΊΠΎΠ½ΠΈΡ,
ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΡΠ»ΡΡΠ°ΡΠ½ΡΠΌΠΈ ΠΈ Π²ΠΎΠ»ΡΡΡΠ°ΠΌΠ°ΡΠ½ΡΠΌΠΈ Π°Π½ΠΈΠΎΠ½Π°ΠΌΠΈ ΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΠΌΠΈ
ΡΡΠ΅Ρ
Π²Π°Π»Π΅Π½ΡΠ½ΡΠΌΠΈ ΠΊΠ°ΡΠΈΠΎΠ½Π°ΠΌΠΈ Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡ ΡΠΎΡΡΠ°Π²Π° ΠΏΡΠ΅Π΄ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΈΠΊΠΎΠ² ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠΎΠ² ΠΈ
ΡΡΠ»ΠΎΠ²ΠΈΠΉ ΠΏΡΠΈΠ³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ. ΠΠ·ΡΡΠ΅Π½Ρ ΠΊΠ°ΡΠ°Π»ΠΈΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° Π² ΡΠ΅Π°ΠΊΡΠΈΡΡ
ΠΈΠ·ΠΎΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ Π½-Π°Π»ΠΊΠ°Π½ΠΎΠ²
Π‘4-Π‘7. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΡΡΠ»ΡΡΠ°ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½Ρ ΠΏΡΠΈ ΠΈΠ·ΠΎΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ
Π½ΠΈΠ·ΠΊΠΎΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΡΡ
Π°Π»ΠΊΠ°Π½ΠΎΠ² ΠΎΡ Π±ΡΡΠ°Π½Π° Π΄ΠΎ Π³Π΅ΠΊΡΠ°Π½Π°. ΠΠ»Ρ ΠΈΠ·ΠΎΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ Π°Π»ΠΊΠ°Π½ΠΎΠ² Π³Π΅ΠΊΡΠ°Π½-
Π³Π΅ΠΏΡΠ°Π½ΠΎΠ²ΡΡ
ΡΡΠ°ΠΊΡΠΈΠΉ Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½Ρ Π²ΠΎΠ»ΡΡΡΠ°ΠΌΠ°ΡΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΠ΅ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΡ.The data on the study of the formation of phase composition and textural properties of the catalysts
based on zirconia promoted by sulphate and tungstate anions and metal cations depended on the
composition of catalyst precursors and preparation conditions are presented in the paper. Catalytic
activity for the reaction of skeletal isomerization of C4-C7 n-alkanes are evaluated. Sulphated zirconia
catalysts are shown to behave high catalytic activity for isomerization of C4-C6 n-alkanes. However, the
tungstated zirconia based catalysts were mostly effective for selective isomerization of C6-C7 n-alkanes
into branched isomers with high octane numbers