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Ten things you should know about: Waste King's fluorescent bulb recycling process

Ten things you have to know about: Waste King's fluorescent bulb recycling process

Fluorescent bulbs are the most effective and resilient lightbulbs available now. With the move toward more energy efficiency and environmental duty, fluorescent lights are becoming more common fixtures internationally. Below are some of the important matters which you must understand about Fluorescent bulbs:

Waste King's nine-step fluorescent bulb recycling procedure is:

Waste King delivers a specially constructed container – known colloquially, as a ‘coffin' - to the customer's premises for the safe collection and storage of spent lamps. The approximate capacity for one inch fluorescent tubes, is 150 x 6ft or 450 x 2ft tubes.

The container with the spent lamps is collected and taken to Waste King's website for sorting, prior to being recycled.

The container is placed in the site storage area to await processing.


Waste King loads the lamps for processing in separationplant and a crush.

It enables processing of sizes and the various sorts of lamps, dividing them into lead glass /ferrous metal parts, aluminium end caps, soda lime glass and phosphor powder.

The crush and sieve plant works at sub-pressure, thus preventing mercury from being released into the environment as exhaust air (which can be always eliminated through the internal carbon filters).

Separation plant and the entire puppy love is included in a container by which a conveyor feeds the tubes to some hammer mill. The resulting fractions that are joined are air-carried through a separation tower, where the glass and metal are removed. The metal and glass parts are then smashed farther and air-carried to a second separation tower. Glass resulting from the sieving operation (after the first separation tower) is smashed farther and air-carried through a third separation tower. The glass fragments, removed by the third separation tower, are fed into a rotary drum-feeder and transferred to a discharge conveyor to transfer the byproduct from the processing unit.

The air stream that has passed through the separation towers comprises phosphor powder.

This air stream passes through a cyclone, where the powder is gathered in a distiller barrel, and after that passes through two dust filters, where the remaining dust deposited in distiller barrels and is removed. The air stream then passes through four- before passing into the atmosphere via a port that is combined carbon filters to remove any mercury vapour.

Aluminium, recovered glass and metals are sent to other businesses to be used as raw materials or for additional processing.

Every skip hire services time a ‘coffin' has filled with fluorescent tubes that are spent, Waste King's operatives will arrive, collect the the whole process and the container continues.

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