Precious coatings in neutralizers

The neutralizer is one of the most expensive elements in a car. Environmental regulations require manufacturers to reduce harmful emissions, which led to the invention of such elements. This block with a cellular structure inside weighs only a few kilograms, but contains a certain amount of precious metals.

Car owners should pay attention to the importance of preserving and properly disposing of old converters. We recommend selling the old part at a specialized site called Avtocatalyst.

The ford catalytic converter scrap price list as well as for other car brands is available in just a few clicks.

What is included in the structure ?

To understand what components a structure consists of, you need to understand its composition and functions. The design of the neutralizer is as follows:

  • Housing (usually stainless steel).
  • Insulating elements.
  • The core has a cellular structure, coated with precious metals. 

The nucleus is composed of platinum, rhodium, and palladium, metals known for their outstanding absorption capabilities, able to neutralize emissions over 900 times their own weight. Due to significant demand, the prices for these rare metals are notably elevated. These elements interact with harmful exhaust gasses, causing them to oxidize and effectively eliminating carbon monoxide, nitrogen oxides, and hydrocarbons. 

Because of the elevated temperature, the converter is positioned adjacent to the exhaust system manifold and manages gasses at temperatures exceeding 300 degrees Celsius. Consequently, the significance of this spare part extends beyond just purifying detrimental emissions; it also encompasses the quantity of precious metals it contains.

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Further Details on Metals

In adherence to environmental standards, automakers must produce vehicles with emissions falling below a specified threshold of harm. Palladium plays a pivotal role in achieving this objective. This metal exhibits remarkable absorption properties, contributing significantly to emission control. 

With a surge in demand, the prices of this scarce metal are experiencing a notable increase. The problem is that the palladium needs to be separated from the compound. There are several complex and expensive methods that make working with individual units impractical. But once the process is established, the result is metal that can be sold or reused.

Which models are considered the most expensive?

There is no specific list of models with the highest content of palladium and other precious metals. However, there are signs that will help you identify the most expensive converters.

Signs indicating the neutralizer rating:

  • Engine capacity. The larger the engine displacement, the higher the price and the greater the weight of the torque converter.
  • Country of Manufacture.
  • Emission class. Neutralizers of Euro 2 and 3 standards contain rhodium and palladium, while Euro 4 and 5 contain platinum.

Metal mining methods are quite complex and require various skills and significant financial investments. Therefore, extracting such substances on your own is very difficult and impractical.

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