The Catalytical Oxidation of Propan-Butane Mixture on the Hydrogen and Hydrogen Соntent Compounds
Full article
| Common |
Language:
Английский,
Genre:
Full article,
Status:
Published,
Source type:
Original
|
| Journal |
Известия Национальной академии наук Республики Казахстан. Серия химии и технологии = News of the Academy of Sciences of the Republic of Kazakhstan, Series Chemistry and Technology
ISSN: 2224-5286
, E-ISSN: 2518-1491
|
| Output data |
Year: 2019,
Volume: 2,
Number: 434,
Pages: 21-25
Pages count
: 5
DOI:
10.32014/2019.2518-1491.13
|
| Tags |
catalysts, propan-butane mixture, natural clay |
| Authors |
Massalimova B.K.
1
,
Shorayeva K.A.
1
,
Nauruzkulova S.M.
1
,
Jetpіsbayeva G.D.
1
,
Altynbekova D.T.
1
,
Amanzhol Zh.E.
1
,
Sadykov V.A.
2,3
|
| Affiliations |
| 1 |
M.Kh. Dulaty Taraz State University, Taraz, Kazakhstan
|
| 2 |
Novosibirsk State University, Novosibirsk, Russia
|
| 3 |
Institute of Catalysis named after G.K. Bоreskov, Novosibirsk, Russia
|
|
Funding (1)
Oxidative conversion of the propane-butane mixture by air into oxygen-containing compositions was studied. It were determined the optimum reaction temperature, contact time, change in the space velocity in the process of partial oxidation of C3-C4 hydrocarbons. The physicochemical studies of the initial and treated catalysts were carried out under experimental conditions. When changing the content of the active component from 1 to 10% on the carrier, it was found that the most optimal is 1% MoCrGa/TC catalyst, on which up to 89.92% of hydrogen is obtained. As a result of varying the composition of the catalyst, the content of the active phase, the ratio of reactants, up to 70% of ethylene was obtained. In addition, in some cases, CH3OH was obtained, the maximum yield of which is 22%, and also up to 35% of methyl ethyl ketone. As a result of EM and XRD studies, it was shown that under reaction conditions, a new Cr2O5 phase is formed on the catalyst surface (corresponding to the Cr2+ and Cr3+ transition to Cr5+), as well as joint Mo phases with Cr in different valence states, the physical meaning and role of which are to be determined.