Electronic Waste Recycling Technology

Electronic waste or e-waste is a term used to describe all manner of electronics gadgets and equipment, for example TVs, radios, refrigerators, microwaves, digital watches, computers, printers, scanners, cameras, laptops, light bulbs, mobile phones and their accompanying peripherals that are rendered unusable for one reason or another and end up being dumped into the environment.

Why recycle electronic waste?

It is becoming a frequent trend to recycle electronic waste instead of merely disposing it because first, this ensures that resources in the environment are fairly and cost-effectively conserved. This is cause some of the parts and components of electronic waste are usually reusable, for example plastic components, metals in the micro-circuit planks, glass in the cathode ray tubes and so on.

Second, electronic waste is one of the key causes of environmental pollution. Aside from visual contamination some of the parts and components of the electronics, for example cathode ray tubes, feature dangerous substances like lead that if left haphazardly in the environment might find their way into human ingestion resulting in ill effects on health. Recycling thus prevents this from happening and goes a step towards developing a cleaner environment less prone to the probability of harmful chemical exposure to humans.

The Electronic Waste Recycling Procedure

Electronic waste is generally recycled at a two step procedure; sorting and treatment.

Sorting is the thorough separation of the mass of electronic waste into different material categories, for example: plastics, metals, glass, wood, rubber and so on. Another way of sorting is based to particular components which undergo a specific therapy, such as: hard disks, cathode ray tubes, mother-boards, cell-phone circuitry, camera lenses, batteries, flash disks, CDs, DVDs, cables, switches, processors and so on.

Treatment is the actual processing of the groups or categories of sorted electronic waste, typically by different processing entities for every category of material or element.

E-waste processing methods

Plastics are melted down and remade to other helpful articles.

Elektro recycling out of cathode ray tubes is usually reused in making of new cathode ray tube monitors. (Cathode ray tubes contain high levels of lead which is highly poisonous)

Mercury, a prevalent noxious substance is generally extracted and reused in dental practice whilst phosphorus obtained from bulbs is used to make fertilizer.

Wood from old generation electronic equipment (speakers, radios and television sets) is generally shredded and used in agriculture or to make fuel material.

Part parts like hard disks that are produced from aluminium are smelted and the resultant metal ingots used in making vehicle parts.

Additionally, there are certain machine parts which are expressly sent back to the manufacturer for recycling, such as printer toner cartridges. Here we see that recycling doesn't necessarily mean actively doing the therapy of the digital waste, but may also be about categorizing and sending off the parts back to the manufacturer (for those manufacturers who recycle).

20.05.2018 10:03:53

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