A non-metallic gasoline antiknock agent

Abstract

The invention relates to the technical field of petrochemical engineering, in particular to a novel nonmetallic gasoline antiknock. The nonmetallic gasoline antiknock consists of the following components in parts by weight; 20 to 50 parts of an oxygen-containing arylamine compound, 50 to 80 parts of an ester compound and 0.01 to 1 part of a phenolic compound, and does not contain any metallic component. An experimental result of the antiknock shows that the octane value of gasoline can be increased by 1.0 to 8.0 units after 0.5 to 3 weight percent of the novel nonmetallic gasoline antiknock is added into gasoline and high antiknock performance is achieved; in addition, the novel nonmetallic gasoline antiknock has the advantages of low raw material cost, performance indexes consistent with a national V gasoline standard, no bad influence on a spark plug engine, capability of effectively reducing environmental hazards, and the like, and has high application value and good economic benefits.

Description

technical field [0001] The invention relates to the technical field of petrochemical industry, and relates to a novel non-metallic gasoline antiknock agent capable of significantly increasing the octane number of gasoline. Background technique [0002] The development of the automobile industry, the urgency of energy conservation and environmental protection, promote the replacement of gasoline products. In order to meet the new gasoline specifications, an important problem facing my country's oil refineries is how to increase the octane number of gasoline. There are the following ways to increase the octane number of gasoline: (1) process method, that is, to improve oil refining technology, such as catalytic cracking, catalytic reforming, alkylation, isomerization, etc.; (2) blending method, that is, to transfer high-octane Alkane number components, such as industrial isooctane, methyl tert-butyl ether (MTBE), alcohols, etc.; (3) Additive method, that is, adding gasoline a...

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Problems solved by technology

Therefore, the content of manganese metal is strictly limited in gasoline National III, National IV and National V standards, which greatly restricts the addition of MMT in gasoline.

[0006] Due to the particulate matter pollution produced by metal antiknock agents and the damage to the three-way catalytic converter, the research on it is at a relatively stagnant stage

The emphasis of research on antiknock agents in various countries has been placed on non-metallic gasoline antiknock agents. People first began to use non-metallic MTBE in large quantities to blend gasoline, but the amount of MTBE added is relatively large (10-15%), and the cost is high. The economy is poor. Later, because MTBE caused underground pollution in California, the use of MTBE in gasoline has been banned in some parts of the United States.

Later, it was found that aniline compounds have good antiknock properties, but aniline gasoline antiknock agents have been restricted by Sinopec and other companies due to their high toxicity and instability, which will reduce the combustion speed of gasoline and cause excessive nitrogen oxides in exhaust gas. use

In addition, the amine octane accelerator is also used to improve the gasoline octane, but it also has the disadvantage of high cost

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