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What are the concerns?
So, if tyre recycling is so great, why are the authorities demanding rigorous tests before it can be used as a road surface? Essentially, the product has to pass two tests, practical and environmental.
On a practical side, city bosses need to be sure that the new material can deal with the extreme temperatures found on the emirate’s roads. Also, they want to be sure that the surface is reasonably hard wearing and allows for water run off and reacts well to heavy braking and so on.
However, there are also concerns from an environmental point of view. Tyre ‘rubber’ is actually a complex substance which varies between manufactures, but often has heavy metals such as zinc used in it’s compound.
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One concern cited in various studies the world over is that that by grinding tyres up and spreading them over the roads, the toxic metals might ‘leachate’, or sink into the ground water table causing a larger problem than merely storing tyres in landfill.
It should be stressed though, that no study has found this to be the case and that the manufacturers of tyre shredding equipment say that the problem has been eliminated.
EXCLUSIVE VIDEO: Click here to see the Bee'ah plant in action
However, some countries have stopped using crumb rubber as playground surfaces while further tests are carried out.
RTI Cryogenics tyre recycling plant specs
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FEATURED COMMENT
Please send some detals about rubber 5cm x5cm or 5cm x 10 cm waste rubber /scrap rubber in shredded form 2000 mt per eve