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A manufacturer of nonwovens for the footwear industry in the North East of England has installed the first evolved pyrolysis system designed by Thermitech Solutions.
The technology is designed to deal with the parts of a company’s waste stream that can’t be recycled or reused, by reprocessing them into gas, oil and heat.
Speaking at the 2013 Carpet Recycling UK conference in Birmingham on June 19, Thermitech MD David Martin said that while pyrolysis itself is not new, the company’s technology is designed to operate with feedstocks of typically between five hundred and a thousand tons a year.
“At this scale we’re looking at materials with high calorific value such as polypropylene and polyester, although the system is capable of handling all types of materials such as plastics, crumbed tyres, cardboard, wood and film,” he added.
Thermitech’s technology is modular, which means it can be shaped to fit the amount of available feedstock and is relatively inexpensive, with payback typically of two-to-four years, taking into account the landfill charges avoided and the electricity and heat generated.
“The aim of waste currently being incinerated or buried in landfill has to be reduced, but realistically, how?” Martin asked. “While many items can now be recycled, how do we tackle those which cannot?
“We provide an environmentally sustainable method of reducing a variety of carbon-based waste which cannot currently be recycled and ends up incinerated or buried in landfill. Not only will it reduce the commercial waste problem which is costly to dispose of – both environmentally and financially – but it can also provide a valuable commodity in the form of either gas or electricity.”
Depending on the waste volume, the synthetic gas which is produced – with similar properties and calorific value to natural gas – can power manufacturing processes, factory lighting or heating. Alternatively it can be wholly or partly used for resale as electricity back to the National Grid.
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