How to Recycle a Catalytic Converter - Waste Advantage Magazine (2023)

As it is known, the harm of cars, which make our lives easier, to people and nature is undeniable. Gases from exhausts cause serious damage to both human health and the environment. It causes air pollution. Catalytic converters have been used for approximately 45 years to largely block these gases released into the atmosphere.

In catalytic converters connected to the exhaust outlet pipe of cars, the platinum group metals convert carbon monoxide gas (CO), hydrocarbons (HC) and nitrogen oxides (NOx) released into the air into less harmful carbon dioxide (CO2) and water vapor. Catalytic converters contain platinum, palladium and rhodium precious metals from platinum group metals as catalysts.

It provides the breakdown of platinum and palladium hydrocarbons into water vapor and carbon dioxide. Rhodium converts nitrogen oxides and carbon monoxide into nitrogen and carbon dioxide.

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In the figure, as seen in the data in 2013, so much more than 50% of the use of platinum group metals in the world is in the automotive sector. With the ever-increasing world vehicle stock, platinum group metal usage is more common today. In addition to this, the increase in the number of scrap vehicles and the fact that each scrap car included a catalytic converter brought along recycling and recovery processes.

Ctalytic converters contain precious metals, which also enabled them to have an economic value. Considering the sum of precious metals used in the catalytic converters in scrapped vehicles since 1975, this amount is considerably higher. However, they need to be recycled both environmentally, commercially and economically.

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The amount of precious metal that can be obtained by processing approximately 360 kg of ore and rock from nature can be obtained by recycling one catalytic converter, which weighs about 1.5 kg. Recycling costs are lower than ore production costs and environmental awareness can be increased because it is possible to produce more by polluting less and consuming less.

Scrap catalytic converter recycling systems are so profitable.The facility amortizes itself in a very shorttimeand the invested budget is gained in a very short time. Having catalytic converter recycling plant is a huge opportunity for investors.

What is the Value of Precious Metals?

Catalytic converters have economic value as they contain precious metals. This is the main reason why they are sold as the most expensive scrap. Because it contains rhodium, palladium and platinum, which are among the most precious metals. They can be converted into more cash when Pt, Pd, Rh are recovered from the scrap catalytic converter.

How Much is a Gram of Platinum Worth?

Worth of Platinum metal is increasing with time as its shown on the table. It’s economic value never decreased as seen in the table last 20 years. So that’s meaning Platinum’s value is getting more important every day.Nowadays, platinum price per gram is around $31.

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How Much is a Gram of Palladium Worth?

Considering the variability of the palladium value, although there was a decrease for a period, it did not cause a serious decrease in general. It is still valuable and its economic value continues to increase. Nowadays, palladium price per gram is around $72.

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How Much is a Gram of Rhodium Worth?

Looking at the change in the value of rhodium in the last 10 years, although it has remained stable most of the time, it has increased significantly in the last two years. Nowadays, rhodium price per gram is around $287.

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Although the quantities vary by model, on average, only one standard catalytic converter contains about 3-7 grams of platinum, 2-7 grams of palladium, 1-2 grams rhodium. That provides serious gains when tons of scrap catalytic converters are recovered.

Invest and Earn Economically

As Proses Makina Company, we provide to our customers all precious metals in the scrap catalytic converter recovery for economic gain with our high efficiency, last technology systems. You may see our process flowchart below.

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It’s important to recycle and it’s more important to use and have correct process, suitable machinery, high quality systems and trustable team. Also there will be waste gas and waste acid during the process, but they won’t be a problem because at Proses Makina Company, we already have a solution. All you need to think is howprofitable andeasy to amortize acatalytic converter recycling system. See, be aware, invest and earn economically.

Safiye Tanrıverdi isProject Engineer of Recycling and Refining Systems and aMetallurgical and Material Engineer for Proses Makina Company. She can be reached at[emailprotected].


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