Today PYReco can release the vital components utilised in the construction of new tyres and importantly, other similar rubber products, and reintroduce them to the markets currently using considerable amounts of ‘spot’ market products, namely, carbon black, silica, sulphur, steel, oil and gas. This process will put to an end some of the uneconomical and extravagant uses of tyres currently in vogue when they reach the end of their useful life.
As previously revealed by the Waste Directive, once a substance or object has become waste, it will remain waste until it has been fully recovered and no longer poses a potential threat to the environment or to human health. PYReco provides the only commercial ‘waste’ tyre process that in reality removes worn tyres, with 90 percent of the tyre remaining, from the ‘waste’ chain. This achievement will have significant environmental and profitability impact.
European regulations for waste disposal are tightening significantly, as are requirements for recycling. Under the End of Life Vehicle Directive (ELV), the motor industry is required to achieve a target of 95% recycling by 2015, up from the current 85%, a target that is widely acknowledged to be challenging. According to industry statistics, tyres make up 3.10% of the weight of a car and other rubbers, typically fan belts, hoses, windscreen and door surrounds, windscreen wipers and others comprise a further 1%.
Pyrolysis is a well-known and well-established technology that cooks material in the absence of oxygen, causing it to break down. Emissions from the process are therefore controlled and completely environmentally friendly. What sets the PYReco process apart from conventional pyrolysis is that it has been specifically adapted to make it applicable for the production of quality products from rubber materials. The patented process employed by PYReco utilises a variable heat application system that allows a high degree of control over the application of heat throughout the process. This heat control has the effect of giving a high, guaranteed level of certainty to the finished products.
The tyres break down into gas, oils, carbon and steel, in rough proportions of 30:30:30:10. The advantage of this process is that it achieves full recycling of the throughput. With further processing, which is part of the PYReco process; these materials are capable of additional refinement to improve their resale value. At present, this refining has focused on the carbon char, which is refined down to a particle size of below 2 microns, at which level it becomes a valuable material for industry, acting as “green” recycled substitute for conventional carbon black.
Several potential consumers have satisfactorily tested the material.
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