Current Problems: Ethanol as a High-Octane, Environmentally by Karpov S.A.

By Karpov S.A.

He precept of the motion of antiknocks involves fighting explosive decomposition of the goods of pre-ignition oxidation of the gasoline earlier than common combustion of the gasoline combination starts. There are numerous theories that specify the essence of knock combustion. the main greatly accredited one is the so-called peroxide thought.

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Extra info for Current Problems: Ethanol as a High-Octane, Environmentally Clean Component of Automotive Fuels. Current Aspects of Use

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M. ), Fuels, Lubricants, Industrial Fluids. Assortment and Use. A Handbook [in 3. , Tekhinform, Moscow (1999). USSR Inventor’s Certificate No. 1011235. 4. 5. RF Patent No. 2242498. RF Patent No. 2130001. 6. 7. L. Yu. Novoselova and E. E. Sirotkina, Plast. Massy, No. 1, 15 – 21 (2006). E. E. Sirotkina and L. Yu. Novoselova, in: Proceedings of the Second International Scientific and Practical Conference on Study, Development, and Use of Advanced Technologies in Industry, St. Peters burg, February 7 – 9, 2006 [in Russian], Vol.

Zakumbaeva, A. D. Gazizova, A. V. Danilov, R. I. 2 and D. V. Sokol’skii A polyfunctional catalyst for hydrorefining of the catalytic naphtha cut with a high olefin content is proposed. This catalyst induces isomerization and hydrogenation of olefins on contact with the feedstock with formation of isoparaffins, isomerization of n-paraffins, hydrotreating to remove sulfur, and other processes. The naphtha obtained satisfies the Euro-4 standard (2005) with respect to quality. The proportion of thermal and catalytic cracking processes is steadily increasing in world oil refining.

The introduction of severe new standards for the composition of gasolines led to an increase in the proportion of isomerization and alkylation processes in oil refining [2-5]. The results of hydrorefining of the catalytic naphtha cut on the polyfunctional c atalysts KT-22 and KT-23, whose physicochemical characteristics are reported in Table 1, are reported here. These catalysts allow parallelly and serially conducting several processes on contact with the feedstock: hydrogenation, hydroisomerization, hydrocracking, hydrotreating to remove sulfur, etc.

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