E-scrap, short for electronic scrap, is any discarded electronic device or component that has reached the end of its useful life and is destined for recycling or material recovery. This includes everything from old smartphones and laptops to servers, circuit boards, and cables. In 2022, the world generated an estimated 62 million tonnes of it, and only about 22.3% was formally collected and recycled.
What Counts as E-Scrap
The term covers a broad range of equipment. Desktop computers, laptops, tablets, monitors, smartphones, printers, routers, televisions, and data center servers all become e-scrap once they’re taken out of service. So do individual components like circuit boards, hard drives, power supplies, and wiring. Even batteries removed from devices before processing fall under this umbrella.
You’ll sometimes see “e-scrap” and “e-waste” used interchangeably, but there’s a subtle distinction. E-scrap typically emphasizes the recyclable, recoverable value inside discarded electronics. E-waste is the broader regulatory term. Under the Basel Convention, the international treaty governing cross-border waste movement, e-scrap becomes e-waste in a given country if that country’s national legislation defines it as such, or if it’s headed for disposal operations like recycling, reclamation, or incineration.
Why E-Scrap Has Economic Value
Old electronics are essentially low-grade ore. Printed circuit boards, the green boards inside nearly every device, contain a surprisingly dense mix of metals. Copper and iron make up 5 to 20% of a typical board’s weight. Zinc, tin, nickel, and lead fall in the 0.1 to 10% range. And trace amounts (under 0.1%) include gold, silver, and palladium, often used on connector pins to conduct electricity and resist corrosion. Those pins are frequently made from copper alloys coated with thin layers of nickel or gold.
These concentrations are small per device, but they add up fast at scale. The U.S. Department of Energy estimates that the 83% of global e-waste currently discarded rather than recycled contains roughly $57 billion worth of raw materials. That figure makes e-scrap one of the fastest-growing and most valuable waste streams in the world.
Hazardous Materials Inside
The same electronics that contain recoverable metals also contain substances that are dangerous if mishandled. Lead is common in older solder and cathode ray tube monitors. Mercury appears in some switches and flat-panel backlights. Cadmium shows up in certain batteries and semiconductor components. Brominated flame retardants, chemicals added to plastic housings to resist fire, can release toxic compounds when burned or improperly shredded. Some plastics also contain phthalates, which are softening agents with known health risks.
These hazards are the core reason e-scrap can’t simply go into a landfill. When electronics break down in soil or are burned in open-air settings, these substances leach into groundwater and air. Proper recycling channels exist specifically to separate and contain them.
How E-Scrap Gets Recycled
Industrial e-scrap recycling follows a general sequence: collection, dismantling, size reduction, separation, and chemical extraction. First, devices are collected and sorted. Batteries are removed (they’re a fire risk in shredders and require separate processing). Then the remaining material goes through mechanical shredding, breaking it into small fragments.
After shredding, magnetic separation pulls out iron and steel. The non-magnetic material gets further reduced in size, sometimes using ball mills, to liberate individual metal particles from plastic and ceramic. From there, the process splits into different recovery streams for base metals like copper and tin, precious metals like gold, silver, and palladium, and rare earth elements found in magnets and certain components.
The preferred method for extracting these metals is hydrometallurgy, a process that uses chemical solutions rather than extreme heat. It’s considered more efficient and environmentally friendly than smelting. In one approach, a chemical solution dissolves base metals from the shredded material, and an electrochemical cell simultaneously regenerates the solution and plates pure metal onto a surface for collection. Precious metals are then selectively extracted using a different chemical bath. Rare earth elements from the magnetic fraction go through yet another targeted process. The result is multiple pure material streams recovered from what started as a mixed pile of broken electronics.
Data Security Before Recycling
If you’re disposing of devices that stored personal or business data, the physical materials aren’t your only concern. Hard drives, solid-state drives, and even smartphones retain data that persists after a simple delete or factory reset. The National Institute of Standards and Technology publishes guidelines (SP 800-88) outlining three levels of data sanitization: clearing, purging, and destroying. Clearing overwrites data so it can’t be recovered with standard software tools. Purging uses more advanced techniques like cryptographic erasure or firmware-level secure erase commands. Destroying means physically shredding, disintegrating, or incinerating the storage media so no data can ever be recovered. Reputable e-scrap recyclers offer certified data destruction as part of their service, and many will provide documentation proving your drives were sanitized or destroyed.
International Rules on E-Scrap Exports
Shipping e-scrap across borders isn’t as simple as loading a container. The Basel Convention, which has been governing hazardous waste trade since 1992, adopted new “E-waste Amendments” at its 2022 conference that took effect on January 1, 2025. These amendments significantly expand oversight. All transboundary movements of e-waste now require a prior informed consent procedure, meaning the exporting country must notify and receive approval from the receiving country before shipment. Hazardous e-waste, its components, and even the byproducts of shredding operations all fall under this requirement. No shipments of hazardous e-waste are permitted between a country that’s party to the convention and one that isn’t, unless a special bilateral agreement exists.
These rules exist because for decades, large volumes of e-scrap were exported from wealthier nations to countries with cheaper labor and weaker environmental enforcement, where informal recyclers would burn or acid-strip circuit boards in open settings to recover metals. The tighter regulations aim to keep processing within facilities equipped to handle the hazardous components safely.
The Scale of the Problem Is Growing
Global e-scrap volumes have been climbing steadily as electronics become cheaper, more ubiquitous, and shorter-lived. The 62 million tonnes generated in 2022 is expected to keep rising, driven partly by a new source: artificial intelligence infrastructure. AI servers use specialized hardware that becomes obsolete quickly as chip technology advances. A 2025 analysis from Vrije Universiteit Amsterdam estimates that AI servers alone could generate 131,000 to 225,000 tonnes of e-waste per year by 2030. That’s a fraction of the global total, but it’s a concentrated stream of high-value, rapidly cycling equipment that didn’t exist at meaningful scale a few years ago.
With only about one in five discarded electronics making it to formal recycling, the gap between what’s generated and what’s recovered remains enormous. Closing that gap means both expanding recycling capacity and designing devices that are easier to disassemble and recover materials from in the first place.