What Is E-Waste?

Electronic scrap — e-waste, e-scrap, or waste electronic equipment — covers discarded appliances and devices: refrigerators, TVs, computers, washing machines, printers, cellphones, circuit boards, hard drives, and CDs. Rapid technology turnover and shorter product lifecycles have made e-waste one of the fastest-growing waste streams globally. Proper recycling recovers valuable materials and prevents toxic substances from entering landfills. An e-waste shredder is the critical first step in this process.

Why Recycle E-Waste?

E-scrap contains both hazards and valuables:

Hazardous components — Lead, mercury, cadmium, and flame retardants in plastics and circuit boards

Recoverable metals — Gold, silver, platinum, copper, iron, and aluminum
Circuit boards are especially rich: one ton can contain up to 1,000g of gold and 300g of platinum, plus substantial copper. Recycling costs are typically lower than mining virgin ore, and the environmental benefit of keeping toxins out of landfills is significant.

E-Waste Recycling Process

1.Disassembly — Remove batteries, capacitors, and hazardous components for separate treatment

2.Shredding — An e-waste shredder breaks hard plastic housings and circuit boards into fragments

3.Sorting — Magnetic separation recovers ferrous metal; eddy current separates aluminum and copper; air classification isolates plastics

4.Refining — Precious metals are extracted from circuit board fragments through smelting or hydrometallurgy

5.Plastic pelletizing — Clean plastic chips are melted and extruded into reusable granules

Wanrooe E-Waste Shredder Solutions

Double shaft shredder — Primary reduction of mixed e-waste: appliances, casings, and bulky items

Single shaft shredder — Controlled output size for uniform plastic fragments before washing and pelletizing

Circuit board shredder — Fine shredding of PCBs to liberate metals for extraction

Granulators — Secondary sizing of plastic streams to chip size
Contact us with your e-waste composition, volume, and target recovery rates. We configure shredders, granulators, and separation equipment into complete recycling lines.

FAQ: E-Waste Shredding

Can I shred complete devices without disassembly?

Partial disassembly is required. Batteries must be removed — they can ignite during shredding. Large capacitors and mercury-containing components also need separate handling. Once hazards are removed, the remaining device body can be shredded whole.

What output size is needed for metal recovery from circuit boards?

10–30 mm is typical for mechanical sorting. Smaller fragments improve liberation of precious metals but increase dust and loss. For direct smelting, 20–50 mm is often sufficient.

How do I prevent fires from lithium batteries?

Strict pre-shredding inspection and removal is the only reliable method. Metal detectors and X-ray sorting systems can identify embedded batteries. Never rely on shredding alone to neutralize battery hazards.