Platinum group metals (PGMs) - platinum, palladium, iridium, ruthenium, rhodium, and osmium - are among the most valuable materials recovered from industrial waste. With prices ranging from hundreds to thousands of dollars per troy ounce, PGMs hidden in your waste streams represent significant untapped revenue.
PGMs are found in a wide range of industrial waste including spent catalysts from chemical and petrochemical processing, automotive catalytic converters, electronic waste containing palladium and gold, laboratory equipment and crucibles, plating solutions and sludge, and medical device manufacturing residues. Many facilities dispose of these materials without realizing the PGM value they contain.
The PGM recovery process begins with accurate sampling and assaying. This is the most critical step - PGMs are present in small concentrations (often parts per million), so precise analysis determines whether recovery is economically viable and ensures fair pricing. Advanced analytical methods including ICP-OES and fire assay are used to quantify PGM content.
After assaying, the waste material is processed through specialized techniques depending on the material type. Pyrometallurgical methods (smelting) work well for catalyst substrates and electronic waste. Hydrometallurgical methods (chemical dissolution) are used for plating solutions and certain residues. The goal is to concentrate the PGMs into a form that can be refined to market-grade purity.
For facilities generating PGM-bearing waste, the key to maximizing recovery value is proper identification and segregation of waste streams. Keep spent catalysts separate from other waste. Document the catalyst type and service history. Don't mix PGM-bearing waste with non-PGM materials. And work with a recovery company that has the metallurgical expertise and assaying capabilities to accurately evaluate your waste.
Meltra Metals specializes in PGM recovery from complex industrial waste streams. Our evaluation process identifies all recoverable platinum group metals and precious metals in your waste, and our global trading network ensures maximum market value for recovered PGMs.