How does catalytic converter work
Unbelievable！！！A thing more expensive than gold is actually installed outside the car. This thing is the three-way catalytic converter. I heard that some car owners lost their three-way catalytic converters and wanted to lock their three-way catalytic converters. So why is this thing so expensive?
On top of this porous ceramic purifier, there is a layer of precious metals, platinum, palladium, and rhodium. The price of one gram of rhodium is about US$165.06, and the price of one gram of gold is only more than US$69.44, so it is much more expensive than gold. Therefore, the official is one of the most expensive parts in the car.
Today we will talk about it in detail-the three-way catalytic converter
It converts harmful gases such as carbon monoxide, hydrocarbons, nitrogen oxides, etc. emitted by automobile exhaust into The catalytic converter, which is converted into harmless carbon dioxide, water and nitrogen through redox reaction, does not participate in the catalytic reaction itself, but is covered with a layer of precious metals and rare earth coatings such as platinum, rhodium and palladium.
When the high-temperature automobile exhaust passes through the purification device, the purifier in the three-way catalytic converter will increase the activity of carbon monoxide, hydrocarbons and nitrogen oxides, hydrocarbons and nitrogen oxides, and promote certain redox chemical reactions, so that carbon monoxide is oxidized at high temperature to become colorless and non-toxic carbon dioxide gas, and hydrocarbons are oxidized at high temperature to water and carbon dioxide
In addition, many people think that the three-way catalytic converter does not need maintenance, but this is a wrong idea. The three-way catalytic converter also needs maintenance. Due to bad driving habits or long-term driving on congested roads, the engine is often in an incomplete combustion state, and carbon deposits will form in the three-way catalytic converter. Over time, it will cause the three-way catalytic converter to be poisoned and fail, and blockage will cause engine failure, causing increased fuel consumption, reduced power and excessive exhaust.
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