Effect of modification of alumina-platinum catalysts on the composition of arenes formed during dehydrogenation of higher n-paraffins

Journal Article · Thu Jan 01 04:00:00 EST 1987 · Pet. Chem. USSR (Engl. Transl.); (United States)

DOI:https://doi.org/10.1016/0031-6458(87)90056-6· OSTI ID:6046455

Isagulyants, G V; Sterligov, O D; Barkova, A P; Mashinskii, V I; Kugucheva, Y Y

An investigation has been made of the composition of aromatic hydrocarbons and n-olefins formed during dehydrogenation of n-decane on alumina-platinum catalysts modified with elements of the manganese subgroup. The main products of the reaction of aromatization in the studied conditions are n-butylbenzene and also o-, m-, and p-diethylbenzenes and o- and p-propyltoluenes. n-Decenes are in a near-equilibrium ratio with all possible isomers. The nature of the modifying additive introduced has a considerable effect on the ratio of the different arene isomers: unlike Tc or Re, the addition of Mn to an alumina-platinum catalyst practically completely suppresses the formation of m- and p-isomers of dialkylbenzenes. It has been established that preliminary skeletal isomerization of aliphatic hydrocarbons plays an important part in the formation of dialkylbenzenes with substituents in the m- and p-position. 12 references, 2 tables.

• OSTI ID: 6046455
• Journal Information: Pet. Chem. USSR (Engl. Transl.); (United States), Journal Name: Pet. Chem. USSR (Engl. Transl.); (United States) Vol. 27:2; ISSN PECHA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKANES
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL REACTIONS
DATA
DECANE
DEHYDROGENATION
ELEMENTS
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
MANGANESE
METALS
NUMERICAL DATA
ORGANIC COMPOUNDS
PLATINUM
PLATINUM METALS
TRANSITION ELEMENTS