What is a three-way catalytic converter?
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Update time : 2023-09-19 09:03:41
The three-way catalytic converter is an important exhaust purification device in automobiles. Without it, many harmful components in automobile exhaust will be directly discharged into the atmosphere, causing air pollution and affecting everyone's health. Today, Wuhan Brown will tell you about this ternary catalytic converter.
Some people think that the three-way catalytic converter is very mysterious, which is normal because you cannot see it on the surface of the car, only when the car is raised can you see it. The three-way catalytic converter is the most important external purification device installed in the automotive exhaust system. It can convert harmful gases such as CO, HC, and NOx discharged from the automotive exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction.
Because the ternary catalytic converter uses platinum (Pt), rhodium (Rh), and palladium (Pd) as catalysts to oxidize and reduce carbon monoxide, hydrocarbons, and nitrogen oxides in the exhaust gas, it is called a ternary catalytic converter.
Why do we need a three-way catalytic converter?
With the development of human industrial civilization, the damage to the environment is becoming increasingly severe, and atmospheric pollution is also intensifying. People are gradually realizing that automobile exhaust is an important source of atmospheric pollution, so the treatment of automobile exhaust has become an urgent problem to be solved in the automotive industry. Through the analysis of automobile exhaust, it was found that CO, HC, and NOx are the most serious substances that pollute the atmosphere. Therefore, the treatment of automobile exhaust is becoming increasingly important, leading to the emergence of automobile exhaust purification devices. The three-way catalytic converter is the main component of automobile exhaust purification devices. It can greatly reduce the degree of atmospheric pollution caused by exhaust gas.
The three-way catalytic converter is the main component for purifying the exhaust of fixed pollution sources in automobiles and other engines. It uses platinum (Pt), rhodium (Rh), and palladium (Pd) as catalysts to oxidize and reduce carbon monoxide, hydrocarbons, and nitrogen oxides in the exhaust gas, generating carbon dioxide, nitrogen, and water, thereby achieving purification results. Its purification efficiency is very high, which can purify over 90% of harmful substances. With the increasing attention paid to the environment, various countries and regions have formulated increasingly strict emission regulations, and this component plays a crucial role in post emission treatment.
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