Articles tagged with Metal Recycling
The University of Birmingham has launched a new facility for separating and recycling rare earth magnets, reducing the UK's reliance on imports. The facility uses an innovative hydrogen-based process that can recover over 400kg of rare earth alloy per batch.
Researchers at Nagoya University created a new aluminum alloy series optimized for high strength and heat resistance through 3D printing. The study used low-cost elements to produce recycling-friendly materials that can operate at elevated temperatures, leading to lighter vehicles and reduced emissions.
Researchers found elevated levels of lead, arsenic, copper, cadmium, and antimony in metal recycling workers' blood and urine, highlighting the need for better cleaning practices and respiratory protection. The study's results emphasize the importance of monitoring rare earth metals and implementing measures to reduce workplace exposure.
The article proposes a circular economy approach to reduce waste, increase durability, and repurpose spacecraft and satellites. Data analysis and digital technologies will be essential for developing sustainable practices.
The NIST report identifies five strategies to tackle challenges in the metals processing industry, including improving standards for recycled content and diversifying supply chains. The report also highlights the importance of critical materials and their potential impact on supply chain disruptions.
A new recycling process recovers nearly all valuable materials from used batteries with high purity, requiring less energy, chemicals, and costs compared to existing methods. The two-step flash Joule heating method separates lithium and transition metals quickly and cleanly.
Researchers at University of California - Santa Barbara develop a new filter that can extract rare earth elements from end-of-life products like electronic waste. The technique combines solid-state extraction with precision chemistry to create a simple and environmentally attractive process, increasing the concentration of REEs fourfold.
A University of Pittsburgh study has identified a protein called ferritin that can selectively recover critical metals like cobalt and nickel from liquid solutions. The process uses benign conditions and could significantly reduce energy demands and costs associated with metal recovery.
A new material has been developed by Virginia Tech researchers that can be recycled, reconfigured, and self-healed after damage. The material, called vitrimer circuit boards, offers a more sustainable alternative to traditional electronic composites.
A recent study by researchers at the National Institute of Advanced Industrial Science and Technology estimates that 25 out of 32 key geological resources have exceeded sustainable water limits. This highlights the need for sustainable water use in resource production, particularly for water-intensive metals like copper.
A Chinese research team has developed a new strategy for recycling spent lithium-ion batteries using a hydrometallurgical process in neutral solution. The addition of glycine improves the leaching efficiency, allowing for the extraction of valuable metals such as lithium, nickel, cobalt, and manganese with high accuracy.
A new study highlights the need for collaboration among recyclers, manufacturers, and policymakers to develop efficient and sustainable lithium-ion battery recycling processes. Advanced techniques like direct recycling and upcycling could reduce costs by up to 40% while minimizing secondary pollution.
Recycling lithium-ion batteries recovers critical metals, emitting less greenhouse gases and using significantly less water and energy than conventional mining. The study's findings suggest that recycling can help relieve supply insecurity and mitigate climate change by utilizing existing battery sources.
Researchers at Seoul National University of Science & Technology have made a breakthrough discovery in the catalytic recycling of polyolefins, enhancing conversion rates with the addition of water. The study reveals improved process efficiency, extended catalyst lifespan, and reduced operational costs.
Researchers at Rice University have successfully recycled carbon nanotube fibers without losing their structure or properties. The discovery positions CNT fibers as a sustainable alternative to traditional materials like metals and polymers, offering a solution to waste management problems in industries such as aerospace and automotive.
Researchers at PNNL have developed a solid phase alloying process that converts metal scrap into high-performance aluminum products in a single step. The process, called ShAPE, produces high-strength alloys with unique nanostructures and improved properties compared to conventional recycled aluminum.
The RC-Metals Project aims to recover precious metals from e-waste using various methods, including molten bath melting processes. The project's main objective is to reduce the accumulation of WEEE waste and decrease the need for importing key-raw materials.
A novel citric-acid-based method has been developed to recycle metals from NCM cathodes with minimal energy usage and lower emissions. The process involves a relatively small amount of citric acid, allowing for efficient separation and reclamation of lithium, nickel, cobalt, and manganese metals.
A new recycling process reduces environmental impact by eliminating energy-intensive methods, producing harmful waste streams. The innovative technique recovers critical metals with high purity (>95%) and yield (>85%), addressing critical metal shortages and negative environmental impacts.
A new process by Rice University researchers recovers up to 50% of lithium in spent LIB cathodes in just 30 seconds, overcoming a significant bottleneck in LIB recycling technology. The microwave-based method uses a readily biodegradable solvent and achieves efficiencies similar to conventional heating methods but much faster.
A novel process for extracting metals from spent alkaline batteries has been developed, offering a promising solution for recycling critical materials. The technique achieves high extraction efficiencies of 99.6% for zinc and 86.1% for manganese, making it cheaper and more energy-efficient than existing methods.
A nationwide bottle deposit program could significantly increase the rate of plastics recycling in the US, from 24% to 82%, according to MIT researchers. With the right policies in place, including sufficient demand for recycled material, PET bottles can be safely made into new products with high quality and minimal processing.
Chalmers University researchers create a sustainable method for extracting pure gold from scrap using biodiesel and malonamide. This process replaces toxic chemicals and fossil solvents, offering benefits for the metal industry and reducing greenhouse gas emissions.
Researchers analyze solutions implemented in four Brazilian cities, proposing a national carbon credit fund to reduce greenhouse gas emissions and increase revenue through the circular economy. The study finds that efficient waste management can produce fertilizer, biogas, and generate significant economic benefits.
The ShAPE technology developed at PNNL can transform 100% post-consumer scrap aluminum into usable extrusions meeting ASTM standards for strength and flexibility. This process conserves nearly all the energy required to manufacture new aluminum products, reducing dependency on imported primary aluminum and greenhouse gas emissions.
Using thermal decomposition in superheated steam helps preserve the mechanical properties of reclaimed carbon fibers. The results show improved bending strength and Izod impact strength compared to those made with virgin fibers.
Researchers at Chalmers University of Technology have developed a new method for recycling metals from spent electric car batteries using oxalic acid. The method allows for the recovery of 100% of aluminum and 98% of lithium, minimizing waste and utilizing an environmentally friendly ingredient.
Researchers at Rice University have developed a high-yield, low-cost method for reclaiming metals directly from mixed battery waste. The new process uses the 'flash' technique to separate critical metals, reducing energy and acid consumption by up to 100-fold and lowering carbon dioxide emissions.
A new recycling method for carbon and glass fibre composites has been developed by researchers at the University of Sydney, which can reduce energy use by 70% and preserve mechanical properties. The approach ensures increased material recovery and improved energy efficiency compared to previous methods.
Researchers at Chalmers University of Technology developed a new recycling method for solar cells that uses acidic solutions to separate precious metals. The process recovers up to 100% of the silver and 85% of the indium, making it more environmentally friendly and cost-effective than traditional methods.
Researchers developed an electrochemical technique to recycle highly valuable homogeneous catalysts, extending their life cycle. The method uses an electrical field to separate catalysts from mixtures and bind them to a surface, allowing for reuse and reducing energy consumption.
Researchers at Idaho National Laboratory have developed a dimethyl ether-driven process for selectively separating rare earth elements and transition metals from magnet wastes. This method significantly reduces energy and product consumption compared to traditional methods.
A new distributed recycling system using microwave irradiation recovers 97% of manganese oxide and zinc from spent alkaline batteries, outperforming conventional methods. The system's potential to reduce annual energy consumption and greenhouse gas emissions in Japan is estimated at 26,500 GJ and 1.54 Gg-CO2 eq, respectively.
A team of scientists has developed a method to extract precious metals like gold and platinum-group metals from electronic waste using the Picasso pigment, Prussian blue. This technique shows promise in improving the recycling of valuable metals from nuclear and electronic wastes.
Researchers from Xi'an Jiaotong-Liverpool University provide valuable insights on managing C&D waste and reducing carbon emissions in building refurbishment projects. By upcycling generated waste, carbon emissions can be significantly reduced, with a potential reduction of around 40% compared to traditional practices.
A new open-source tool called SwolfPy helps solid waste systems achieve environmental goals by assessing various options in one place. The tool identifies the range of best possible options for users, depending on their priorities.
Researchers at University of Illinois have developed an electrochemical process to recover valuable metals from spent lithium-ion battery electrodes. The method produces high-purity coatings of cobalt and nickel with approximate purities of 96.4% and 94.1%, respectively.
Researchers at KTH Royal Institute of Technology developed an ultrasound-assisted extraction method for valuable metals from electric car batteries, reducing extraction time by 50% and increasing metal ion recovery. The new process uses gentler acids and eliminates the need for harsh chemicals.
Researchers at North Carolina State University demonstrated a low-cost technique for recycling nanowires from electronic devices. The method involves dissolving the polymer matrix containing the nanowire network and separating the nanowires using ultrasound, allowing for their reuse in new devices. After four life cycles, the nanowires...
A study by Indiana University Kelley School of Business researchers found that recycling can be a strategic supply source for manufacturers, resulting in cost savings per unit, higher quantities, and greater profits. Recycling rare materials like tungsten can insulate manufacturers from market volatility and increase their competitive ...
The study highlights the challenges of recycling specialty metals, which are essential for precise technological applications. Improving design for recycling, depositing targets, and financial incentives can enhance metal recovery.
A new process called Continuous Rotary Extrusion (CRE) can produce high-quality copper from scrap electrical cable at a lower cost and with minimal environmental impact. The recycling centers can be based in compact light industry plants, reducing staff requirements and operating costs.