What are the products of gasoline combustion?
2 Answers
Gasoline combustion primarily produces water and carbon dioxide, along with CO, nitrogen oxides, sulfur oxides, and other byproducts. Below are the key characteristics of gasoline: 1. Stability: Refers to the stability of gasoline when stored under natural conditions for extended periods, characterized by gum content, induction period, and iodine value. Lower gum content is better, and a longer induction period is preferable. National standards stipulate that the actual gum content must not exceed 5 milligrams per 100 milliliters of gasoline. Iodine value indicates the content of olefins. 2. Corrosiveness: Corrosiveness refers to the tendency of gasoline to corrode equipment such as storage tanks, pipelines, valves, carburetors, and cylinders during storage, transportation, and use. It is characterized by total sulfur, mercaptans, copper strip test, and acid value.
Having worked in the auto repair shop for years, I've observed that when gasoline burns in a car engine, it primarily produces carbon dioxide and water vapor, since gasoline is a mixture of hydrocarbons reacting with oxygen. However, in reality, incomplete combustion can release toxic carbon monoxide, which is deadly. At high temperatures, nitrogen in the air also participates in the reaction, forming nitrogen oxides. These gases can cause carbon buildup in the exhaust emission system and may even corrode the exhaust pipe. If unburned hydrocarbons or particulate matter accumulate excessively, engine efficiency drops and fuel consumption rises. I always remind car owners to regularly check spark plugs and clean fuel injectors to ensure complete combustion. Neglecting this can lead to older cars emitting black smoke and costly replacement of catalytic converters. In short, these byproducts affect overall vehicle performance, making maintenance the key.