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Catalysis in Industry : Volume 3, Issue 1, March 2011

Catalysis in Industry : Volume 2

Catalysis in Industry : Volume 1

Effect of the acid-base properties of additives for a cracking catalyst on the sulfur content in liquid products

Content Provider	Springer Nature Link
Author	Potapenko, O. V. Doronin, V. P. Sorokina, T. P. Gulyaeva, T. I. Drozdov, V. A.
Copyright Year	2011
Abstract	The effect of the nature and methods for the production of additives for a cracking catalyst on the sulfur content in liquid cracking products was studied. The influence of the acid-base properties of the additives for a cracking catalyst on the redistribution of sulfur raw material between gaseous and liquid products, including that in a gasoline fraction with T $_{ EP }$ = 200°C, is analyzed. It is shown that, in contrast to the earlier concept of the approach to choosing such additives, we must consider not only the effect of the acid-base properties of additives but also the aromatization reactions facilitating the formation of hydrogenated thiophene derivatives, which are unstable under catalytic cracking conditions. It is shown that an increase in the additive acidity promotes the reduction of the residual sulfur content in liquid cracking products. The enhancement of both the strength and the concentration of basic sites does not reduce the sulfur content. The simultaneous presence of acidic and basic sites in the structure of a mixed Mg-Al oxide with a spinel structure affords deeper sulfur-refinement of gasoline than the presence of only acidic sites. Oxides of a series of metals (Zn, Zr, Cr, Ce, Cu, Ca, Mg, Al) with variable acid-base properties were used as an additive for a LYUKS cracking catalyst (OAO Gazpromneft’-ONPZ). The data obtained allows us to develop new cracking catalysts (or additives for already existing catalysts) that facilitate the production of motor fuels (gasoline) answering the more stringent requirements for sulfur content.
Starting Page	151
Ending Page	156
Page Count	6
File Format	PDF
ISSN	20700504
Journal	Catalysis in Industry
Volume Number	3
Issue Number	2
e-ISSN	20700555
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2011-07-19
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	sulfur content gasoline additives cracking catalyst Catalysis
Content Type	Text
Resource Type	Article
Subject	Catalysis

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