aluminium expo
7-9 July 2027
Hall E1-E7, Shanghai New International Expo Center

Aluminium Recycling: Closing the Loop for a Lower-Carbon Future

As the aluminium industry accelerates its transition towards lower-carbon production and greater resource efficiency, circularity is becoming one of the defining themes shaping its future.

Aluminium is particularly well suited to a circular economy. Almost 75% of the 1.5 billion tonnes of aluminium ever produced remains in productive use today, and the metal can be recycled repeatedly without losing its inherent material quality. More than 30 million tonnes of aluminium scrap are recycled globally each year, underlining the growing importance of secondary material to the aluminium value chain.

 

Why Aluminium Recycling Matters

The energy advantage of recycling aluminium is substantial. According to the International Aluminium Institute (IAI), producing recycled aluminium requires around 95% less energy than primary aluminium production. IAI data puts primary energy demand for global primary aluminium production at 186 GJ per tonne, compared with 8.3 GJ per tonne for recycled aluminium.

The benefits become particularly clear when aluminium is kept within a closed loop. For beverage cans, recent IAI research found that around 71% of aluminium cans placed on the market are recycled globally, but only 33% return as new cans. Importantly, as much as 87% of recycled cans could technically be returned to can production using existing alloys and remelting infrastructure, highlighting significant untapped potential for higher-value closed-loop recycling rather than downcycling into other applications.

Market and Policy Momentum

Recycling is also becoming a larger part of the global aluminium market. Mordor Intelligence estimates that the global aluminium recycling market will process approximately 41.14 million tonnes in 2026, rising to 51.36 million tonnes by 2031, representing a CAGR of 4.54%. Asia-Pacific accounted for an estimated 61.2% of market revenue in 2025, reflecting the region's scale in aluminium consumption, manufacturing and recycling.

Policy is adding another dimension to this transition. The EU Carbon Border Adjustment Mechanism (CBAM) entered its definitive regime on 1 January 2026, with aluminium among the sectors covered. Under the mechanism, importers are required to account for embedded emissions in covered goods and surrender the corresponding CBAM certificates. This puts greater commercial emphasis on transparent carbon accounting and gives lower-carbon aluminium products an increasingly important position in international trade.

 

Circularity in Practice

The shift is already visible across major downstream industries. In the automotive sector, approximately 25% of the aluminium used in the Volvo EX30 comes from recycled sources. Volvo separately reports that the model's total life-cycle carbon footprint over 200,000 km is around 25% lower than its fully electric C40 and XC40 models, reflecting a combination of vehicle design, material choices, manufacturing and other life-cycle measures rather than recycled aluminium alone.

Material producers are also developing commercial products with verified recycled content. Hydro CIRCAL contains a minimum of 75% post-consumer aluminium scrap and carries a verified carbon footprint of 1.9 kg CO₂e per kg of aluminium for its European product offering. Its post-consumer scrap content is documented and verified batch by batch, illustrating how recycled content, traceability and carbon-footprint reporting are increasingly being integrated into commercial aluminium products.

Technology is helping expand what can be recovered. Hydro's HySort system uses laser-induced breakdown spectroscopy (LIBS) to identify and separate aluminium alloys from more complex post-consumer scrap streams. This enables specific alloys to be recovered more effectively and can help prevent valuable material from being downgraded into lower-value applications.

 

Closing the Remaining Gaps

Despite the strong fundamentals, moving towards a truly closed-loop aluminium economy still requires progress across the full value chain.

One of the most important challenges is expanding the collection and effective sorting of post-consumer scrap. Unlike pre-consumer production scrap, post-consumer material has already completed a useful product life and may contain mixed alloys, coatings, attachments and other contaminants. Recovering it for high-quality applications therefore depends on accurate identification, separation and remelting.

Alloy compatibility is equally important. Mixing incompatible aluminium alloys can restrict the applications available to recycled material and lead to downcycling. The beverage-can value chain illustrates the issue clearly: more than 20% of recycled cans currently move into products such as engine blocks, where alloy differences can prevent the material from returning to can production. Better design for recycling, alloy separation and collaboration between material producers, OEMs and recyclers will therefore be essential to preserve material value across multiple life cycles.

At the same time, transparent carbon accounting and effective policies governing scrap flows will become increasingly important as recycled aluminium moves deeper into global supply chains.

 

The Road Ahead

The long-term direction is clear. IAI expects aluminium produced from post-consumer scrap to more than triple by 2050, as growing demand is increasingly met through a combination of primary and recycled metal. Scaling collection networks, improving alloy-specific sorting, designing products for closed-loop recovery and developing reliable carbon-accounting systems will all be critical to making that transition possible.

These same priorities were reflected at the 2026 International Forum on Non-Ferrous Metal Recycling and Sustainable Development, held alongside ALUMINIUM CHINA 2026. Industry representatives and experts explored regional recycling markets, circularity, low-carbon development, aluminium value-chain standards, sustainable supply chains and AI-powered automation in recycling equipment—highlighting how recycling is evolving from a waste-management function into an increasingly integrated part of material strategy and industrial competitiveness.

As the industry continues to close the loop, the focus is shifting from simply increasing recycling volumes to recovering the right materials, preserving alloy value and returning aluminium to high-quality applications.

The technology is advancing, the market is expanding and the policy environment is evolving. The next challenge is execution at scale.

 

Sources:

International Aluminium Institute (IAI)

European Commission

Motor Intelligence

Packaging Dive

Dataintelo

Volvo Cars

Hydro