Log in or Activate your account. No thanks, return to homepage. Edit Close. Log In Become a Member. Dashboard Logout. Police struggle to deter rising catalytic converter thefts. Share this. Steve Helber - staff, AP.
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Nevertheless, the very transition of catalyst from one metal to another is not possible in a short time, the restructuring of production can take several years and many billions of euros. That is why one of the most expensive items in the budget of many large automakers has become the search for replacements for palladium and platinum.
Eco-friendliness of cars should be cheaper. To neutralize toxic gases emitted from an internal combustion engine, a catalytic converter is installed in a car. Catalyst Is located at the outlet of the exhaust manifold. Although the service life of every catalyst is about thousand km, changing it is rather expensive.
It is too expensive if you need to buy a new item. A natural question arises whether it is possible to clean this car part and thus extend its resource. The answer is simple: cleaning is permissible, but there is no guarantee of a positive result.
The problem is widespread and deserves more detailed consideration. When should you clean your catalyst? The unit, which looks like a resonator tank, is a container with two connecting pipes.
There are small ceramic honeycombs covered with a catalytic layer based on precious metals hence the high price of a spare part. Exhaust flue gases clog cells with soot and carbon deposits, gradually making catalyst impassable. Cleaning or flushing the catalyst will give a. Catalysts appeared just in the first half of the 70s and, as you know, US automakers were at the forefront here for a while.
Curiously, in addition to directly reducing the toxicity of exhaust, these catalysts have dragged along with the modernization of several areas of development of the automotive industry.
This was due to the very principle of their action, which, by the way, has not changed until now. For some time, and on different models, catalysts coexisted with carburetors or mechanical injection. For example, Chrysler, having burned itself with electronic fuel supply back in the 50s, was in no hurry to transfer its engines to it.
But limiting norms for the content of various elements in the exhaust were approved by law. It was necessary to somehow link the catalyst and the carburetor. Ecology is the engine of progress. The metal barrel, located between the exhaust manifold and muffler-resonators, has a longitudinal honeycomb inside, where the surface is covered with a lay. First of all, the catalyst is an essential part of a whole car, as well as ignition. Among many reasons for a malfunction of ignition, that can cause a misfire, the main ones are: Failure of catalyst elements of the ignition system.
Armored wire, spark plugs, coil, or breaker-distributor. Also, at low temperatures in candle wells, condensation may form, which can cause "breakthrough" into a catalyst. Malfunctions in the fuel-air system can be associated with clogged dirt and deposits in injection nozzles, air and fuel filters. These ailments are manifested in the "triplet" of an engine at idle, which disappears after warming up. Low compression in all cylinders or its non-uniform distribution indicates wear of elements of a cylinder-piston group or malfunctions in the operation of gas distribution mechanism.
The incorrectly adjusted valve can lead to a violation during the compression stroke of the tightness of the entire catalyst chamber. The lack of an optimal f. Learning more about cars and spare parts, one may face names and terms, which can seem new or even unknown. A catalytic converter in a vehicle or a car catalyst is an important part of the whole exhaust system. Its role is to serve to reduce the emission of harmful combustion products into the atmosphere. Talking about chemistry, the term catalyst is described as a substance, which can accelerate or cause a chemical reaction without participation in such a complex reaction itself.
It is guaranteed by such substances as copper, nickel, gold, palladium, rhodium, chromium. The catalytic converters contain a high-quality T38 coating of precious metals such as platinum, and the coating is four times more than the standard one.
These cars, their catalytic converters use high contents of platinum, making them expensive. Platinum is a silvery chemical element and member of the six transition compounds in group viii in the periodic table. It belongs to a group of platinum metals: rhodium, osmium, platinum, ruthenium, rhodium, and iridium.
The metal has the symbol Pt, atomic number seventy-eight with an atomic weight of It is heavy, precious, soft, malleable, and silver-white metal with a high melting point. It is associated with gemstones such as olivine and chromite. The metal is found as grains and nuggets, and its pure nature is unknown since well-formed platinum crystals are rare to find. Platinum becomes so expensive because it is a precious metal, and precious metals are priced by weight. Since platinum is heavier or denser than gold, it becomes so expensive.
The other reason is that platinum is more valuable than gold since it is a rare metal to find. Moreover, the extraction process for platinum is more expensive than other metals. This is because platinum has a higher melting point, making its extraction expensive due to the high amount of energy required to extract it.
Additionally, there has been a higher demand for heavy-duty Chinese vehicles which has, in turn, increased the demand for platinum, increasing its value day by day. The price of platinum today varies based on the metric units used.
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