Despite its small size, its retail price on 30/04/2019 is PLN 297. In the case of this catalyst, the price offered in our purchase is about 34% higher than in the competitive purchases.

GM131 catalysts are used in such models as:

• Opel Zafira B 1.9 CDTI, Z19DT;
• Opel Astra H 1.9 CDTI, Z19DT;
• Opel Vectra C 1.9 CDTI. Z19DT;

We have already written about all the above models in other articles on the other models of Opel catalysts.

On our blog you will find information about Zafira, Astra and Vectra.

Unfortunately, there is still a belief that a small catalyst must be cheap. Many people keep repeating the myth, which shows that the smaller the catalyst, the fewer precious metals included in the model. Today we would like to disprove this myth. As can be seen in the case of the GM131 model, the small size does not determine the price of the used catalyst. The amount of precious metals is important, and this is verified not on the basis of weighing or measuring the length of the kata, but on the basis of the XRF analysis of the monolith coming from the part.

This analysis is carried out by specialists working in our laboratory. The content of noble elements, obtained as a result of the test, is entered into the CatCatalog application, where the algorithm calculates the current price of all catalysts in the database on a daily basis based on the current precious metal rates. It currently has 7974 models!

To take advantage of the possibilities offered by the catalyst app, contact us and become our regular supplier.

You can find more about the benefits of using the application in the article dedicated to the catalog.

We invite you to cooperation!

Artykuł Catalyst GM131 – small catalyst with high price pochodzi z serwisu Katalizatory Chrzanów.

Quite often, we encounter a situation in which we accept delivery of a monolith from new contractors and it is separated due to where it was cut from. We get then: separately monolith from gasoline vehicles, separately from diesel engine and from DPF filters. When we ask where the idea comes from, it turns out that the clients cooperating with other buyers earlier, received instructions to divide and deliver the material in separate parts. That is why they got used to this method and the belief that this is the only right solution.

It turns out, however, that this is not the best and most profitable idea. We are in a hurry to explain.

Packing the entire monolith together is a much simpler and more economical solution. It is not only saving time, work, but also money.

If you provide us with a monolith in one batch, we make it one-time, mark it, weigh it, thoroughly ground and analyze. When the monolith is separated, the same operations are performed in several approaches, which makes the time of obtaining the final information unnecessarily longer. It is therefore associated with higher work expenses, and thus – higher costs. Consequently – you receive less money compared to the same material, included in one whole.

So where did the idea for separating the monolith come from?

This method is used by purchase stores that do not have adequate equipment to allow efficient analysis of such a diversified material. In order to determine the content of precious metals in a mixed monolith, it is necessary to use high-class devices, such as weight and moisture analyzer (a device allowing simultaneous determination of moisture content and sample weight), and above all professional spectrometers. Relevant are also suitable ball mills and homing devices which will lead the monolith to homogenised form. Here the rule is simple – the more finely ground monolith, the greater the precision of the measurement and the more you gain from the transaction.

How much to bring to buying?

The delivery of a larger batch of monolith is definitely more profitable. The bigger, the more favorable you go out. Of course, as we have already mentioned, we start with a 100-pound monolith delivery at our headquarters. It is much more profitable, however, to “pick up” and deliver a batch weighing over 300 kg. With such a large amount we make so-called “Double check” or double check of the result. In addition to XRF analysis, we also carry out chemical analysis with the help of an advanced ICP MS device, which is considered more accurate. And at the same time we have confirmation of the result by obtaining it from two independent devices.

And what about precious metal courses?

Many of our customers decide to bring us the minimum possible amount of monolith, because precious metal rates are beneficial at the moment. They do not want to wait with more delivery, for fear of a possible fall in quotations. However, we are able to provide companies with whom we cooperate with a sense of security and “set up” exchange rates on the day of valuation for a period of 30 days. Thanks to this, they can easily wait and appear in our company with a larger party, which is certainly more profitable.

How do you choose the best monolith purchase?

As you can see, paradoxically, not only the content of precious metals in the supplied monolith determines how much you will earn from selling it. It is also very important to choose the appropriate collection point, which is the point that:

• it has new high-class equipment – it is worth paying attention to whether the purchase uses high-quality scales, moisture meters, ball mills, mixing devices, and spectrometers that have been authorized by the National Atomic Energy Agency;
• has qualified and experienced staff, and there is no employee rotation in the company. Then you can be sure that the equipment supports non-random people who know the whole process perfectly;
• explains in a clear and accessible way how the analysis and valuation process proceeds. Everything takes place in an open manner and the client has the right to be present at every stage;
• gives a price guarantee – regardless of fluctuations in the quotations, you have the opportunity to “fix” the course for a period of 30 days;
• performs the appraisal, preparing the monolith for analysis and the very analysis on the spot, without intermediaries – it also saves time and money;

DS AUTO guarantees all the above benefits and we can also offer our own transport. The one-time delivery is up to 24 tons.

How to sell a monolith?

Make an appointment and free monolith quote – over 100 kg

Tel. +48 604 611 917
E-mail: dsautospzoo@wp.pl

In the case of a smaller amount, contact one of the retail stores.

Artykuł How to earn the most on a monolith? pochodzi z serwisu Katalizatory Chrzanów.

Automotive concerns were aware that it was necessary to reduce their number. Initially, technical means were used for this purpose, whose operation was regulated by legal norms. One of the solutions used was the afterburning process. Thermal reactors have been located behind the outlet valves in which oxidation of hydrocarbons and carbon oxides took place.

In later years, the ecological awareness of people gradually increased. It began to be noticed that the solutions used were not sufficient. Therefore, catalysts have been introduced.

Catalysts have a very important function in the exhaust system. Their task is to clean car exhausts from toxic substances such as carbon oxides, nitrogen oxides and hydrocarbons.

In order to be able to carry out this task, precious metals contained in them are necessary – platinum, palladium and rhodium. It is they who perform the correct catalytic function. Due to their presence, the chemical composition of the exhaust gases that escape from the combustion chamber differs from those that escape from the exhaust pipe.

How are they built?

Catalysts consist of the following layers:

A metal casing, which is the first, outer layer; mesh / lagging, whose task is to protect the monolith; and the ceramic monolith itself.

The cross-section of the catalyst can be illustrated on the example of the Fiat model.

Operation of catalysts

Harmful combustion products are reacted by the oxygen present in the exhaust. This creates pure nitrogen, water vapor and carbon dioxide, which is less dangerous than its oxide. Oxidation depends to a large extent on the appropriate temperature. The time, which is available for natural oxidation, without any external support is extremely short. Not all toxins will burn.

That is why it is necessary to mount catalysts. Their role is to guarantee conditions that will increase the intensity of reactions neutralizing toxic substances.

There are two types of reactions resulting in the purification of exhaust gases: oxidation and reduction reactions. As a result of oxidation, hydrocarbons and oxides of carbon react with oxygen, thanks to which we get CO2 and water vapor. On reduction, nitrogen and carbon oxides enter a reaction that produces nitrogen and carbon dioxide.

Types of catalysts

There are basically two main types of catalysts on the market – metal and ceramic catalysts. The latter are much more common.

The metal catalyst is made of extremely thin, metal tape, made of heat-resistant, chromium-nickel steel. Aluminum admixtures are also used in their production. The tape is covered with a corrugated ribbon containing a layer of precious metals. In the production of 1 catalyst, about 1.5 g of the alloy is used.

Benefits:

+ faster temperature reaching appropriate for the cleaning process

+ high mechanical strength

+ resistance to large temperature changes

+ longer life of parts

+ lower flow resistance

Disadvantages :

– higher price

It is for this reason that these catalysts are assembled less often and usually in more expensive cars than catalysts with a ceramic insert.

Catalysts with a ceramic insert, in turn, are built of block ceramic core – so-called monolith. It has a structure resembling a honeycomb. This structure is formed by channels covered with noble elements.

It is worth emphasizing here that the purification requires not only gas combustion products, but also produced solid particles. A big problem with self-ignition engines is the soot particles that are dangerous to our health. In this case, you do not need chemical and mechanical filtration. Solid settle on porous fibers, thanks to which they can be “burned” in it.

Due to the way they work, they are susceptible to clogging, and thus require frequent regeneration or – if it is impossible – replacement.

Very often it is possible to find combined devices in which the particulate filter is mounted together with the catalyst. This allows simultaneous purification of gas fumes and solid contaminants.

At DS AUTO we buy not only complete catalysts. We also accept the insert itself (metal or ceramic), and a monolith in any form – whole, in pieces or in powder.

Regardless of the character, thanks to the fact that we have experienced staff, professional machine park and our own laboratory, we are able to make a precise analysis of the precious metal content in the delivered material, properly priced and processed.

It is also our responsibility to properly prepare the monolith for testing. Weigh and describe, grind in ball mills and bring to a uniform, homogenized form and take a sample for testing.

The test is carried out using spectrometers. In our everyday work, we use the ICP MS device and Olympus spectrometers.

As you can see, in the case of purchase of the metal cartridge itself, ceramic monolith in pieces, powder or DPF filters, recognition and valuation require appropriate equipment as well as specialist knowledge and experience.

We invite you to use our services. How to sell a monolith?

Make an appointment and free monolith quote – over 100 kg

Tel. +48 604 611 917
E-mail: dsautospzoo@wp.pl

For smaller quantities, we invite you to our partner retail purchases.

Artykuł Construction and types of catalysts: metal, ceramic and DPF filters pochodzi z serwisu Katalizatory Chrzanów.

Last week, one of the Contractors brought us 2 catalysts from a backhoe loader.

These were models: 10130556/32667004000/LIEBHERR/METAL and 10130554/32667003000/LIEBHERR/METAL.

He did not believe that they have any value. Fortunately, he decided to try and give it for analysis. Why “luckily”? because it turned out that the retail price 10130556/32667004000/LIEBHERR/METAL  as of today (03/04/2019) amounts to PLN 1,452.60, while the other, 10130554/32667003000/LIEBHERR/METAL PLN 602.10. Not bad for seemingly worthless catalysts, right?

Of course, in order to know the value of catalysts, it was necessary to cut the monolith from the center, grind it to a uniform form, and test it in our laboratory. Only the use of specialized equipment – spectrometer, and specialist knowledge allows to precisely determine the content of precious elements in the material provided. If in addition the whole process takes place in one place, you can be sure that you will get the best possible price.

If you have used catalysts whose values you do not know or other materials that may contain platinum, palladium or rhodium, please contact us!

Price list 7 800 catalyst models in the DS AUTO catalog.

Artykuł How much are the catalysts from a backhoe loader worth? pochodzi z serwisu Katalizatory Chrzanów.