AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Cathalitic convertos honeycomb12/30/2023 ![]() These noble metals are good at resisting oxidation, corrosion and acid. The honeycomb is coated with a mix of platinum (Pt), palladium (Pd) and rhodium (Rh). It is a metal box with a ceramic honeycomb inside. The catalytic converter is attached to the exhaust pipe underneath a car. If you burned the same amount of fuel in a car and a lawnmower, the lawnmower would emit about 100 times more pollution! How do catalytic converters work? Other countries soon followed.Ĭars have catalytic converters, but lawn mowers do not. Environmental Protection Agency made catalytic converters mandatory on all new cars. By 1975, scientists had developed unleaded gasoline. The leaded gasoline used in 1950 damaged catalytic converters. So, Houdry designed the catalytic converter to clean exhaust. But by 1950, scientists were beginning to learn about air pollution caused by cars. The French mechanical engineer had spent his career developing better fuels for cars. What is a catalytic converter?Įugène Houdry invented the catalytic converter around 1950. That all sounds very dangerous, doesn’t it? Fortunately, catalytic converters help make engine emissions less harmful. If you breathe enough of it, you could suffocate! This poisonous gas can replace oxygen in your bloodstream. Acid precipitation, air and water pollution are caused by carbon dioxide (CO 2), nitrogen oxides (NOx) and sulfur oxides.Ĭar engines also release carbon monoxide (CO). Some byproducts can also pollute our environment. They are caused by nitrogen oxides (NOx), unburned hydrocarbons, carbon particles, and volatile organic compounds (VOCs). These include breathing difficulties, cardiovascular disease and cancer. Some byproducts of combustion can cause health problems. You’ll often see water dripping from exhaust pipes during the winter. However, most nitrogen gets released as N 2.Įngine exhaust also includes water (H 2O). This produces some nitrogen oxides (NOx), which are toxic. Some of this nitrogen reacts with oxygen during combustion. For example, air is 78% nitrogen gas (N 2). Some of these by-products are perfectly safe. When gasoline burns in air, it produces many chemical by-products. This chemical process is called combustion. A vehicle mixes this fuel with air before burning it. ![]() Most vehicle engines use gasoline for fuel. Vehicle emissions contain many different chemical compounds. A more fancy term for these gases are emissions. If a vehicle burns fossil fuels, then nasty gases come out of its tailpipe.
0 Comments
Read More
Leave a Reply. |