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Since the mid 70's tougher requirements for motor gasoline in terms of environmental protection. On the cars began to install catalytic converters and exhaust gas began to impose restrictions on the content of lead antidetonators (TEL) in gasoline. The reason for refraining from the use of lead toxicity is antidetonators of the products of combustion and poisoning catalyst converters. It is estimated that annually emitted more than 250 tons of lead in the form of aerosols.
Waiver of ethylation of gasoline, in terms of refining the most energy efficient and cheap way to increase octane number, makes the task of increasing the octane level of gasoline the total fund. The required increase octane number in case of failure of ethylation should be achieved through the development and improvement of technological processes for the production of high-octane components and the use of alternative high-octane additives
Mass of fuel for jet engines are primarily from virgin petroleum fractions. An increase in resources of their production is to optimize the fractional composition and temperature of crystallization and aromatic hydrocarbons.
The problem of rational use of medium-sized fractions of oil (jet and diesel fuels) is the key to modern oil refinery, from its decision depends largely on the need to implement costly secondary processes, particularly hydro cracking.
Production of diesel fuel can be significantly increased through the involvement of secondary gas oil obtained by destructive processes of oil refining - gidrokrekinge. Density, chemical composition, viscosity-temperature characteristics of gas oil fractions of these processes is significantly different. The most high-quality diesel and aviation fuel are obtained by implementing the process of hydro cracking, and gasoline - in catalytic cracking. These processes are also characterized by destructive processing of different yield of gasoline, diesel and residual fractions, which determines, along with the optimization of quality of petroleum products, the importance of optimizing the process flow diagrams and petroleum refining processes.
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