Recycling and Waste Management Techniques

Electronic waste — discarded computers, phones, televisions, and other devices — is one of the fastest-growing waste streams on the planet, carrying both significant concentrations of recoverable metals like gold, copper, and rare earths and a cocktail of hazardous substances including lead, mercury, and brominated flame retardants. Researchers study how these materials move through informal and formal recycling systems, what chemical and thermal processes can extract valuables while containing toxins, and what health burdens fall on the workers and communities handling e-waste, often in low-income countries with limited regulatory oversight. A central tension in the field is how to design recycling infrastructure and international policy that makes metal recovery economically viable without displacing harm onto vulnerable populations. Open questions include how to close the loop between manufacturers and end-of-life processing, and how emerging device chemistries — solid-state batteries, flexible electronics — will complicate the recovery techniques developed for older hardware.

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104,368

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767,720

Keywords

E-WasteRecyclingEnvironmental ImpactsMetal RecoveryWaste ManagementHazardous Substances