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24 Mar 2016 - 11:17:24 am

The plastic sausage machine

DESPITE initiatives to recycle plastic, mountains from the squash even now result in dumps and landfills. The nagging issue is certainly that plastic containers, lids, punnets, film and the like should never only be clean, but must be sorted into their various types also, if recycling them is not to become prohibitively expensive. Lately, though, a factory has opened which changes those calculations. It is the first to be capable of taking combined plastic waste, dirty waste even, and making it an environmentally friendly replacement for plywood.


Most plastics are made by coaxing the carbon-containing chemical substances found in oil into lengthy molecules called polymers. If a plastic is manufactured out of one kind of polymer, it could be be washed and shredded into pellets that can be reused usually. But when different polymers-and contaminants such as food residue, items of glue and shards of metal-are mingled, the resulting recycled plastic may include flaws that lead it to tear or break.


The brand new factory, which includes been create in Luton, England, by way of a ongoing company called 2K Manufacturing, turns mixed plastic right into a composite board called EcoSheet. The panel has been tested by Bovis, a building company, which is helping the project. EcoSheet costs about the same as plywood and, like plywood, can be used to develop a selection of items including marketing hoardings, floors and the shuttering used to include concrete. It includes a true amount of advantages over plywood, however. It really is easier to work with because it does not create injurious splinters. It generally does not rot. And, unlike plywood, which often ends up in landfill since it includes preservatives and adhesives and is frequently decorated, EcoSheet could be recycled into even more EcoSheet-even if it is decorated and full of fingernails.


Their production process uses a form of encapsulation called powder-impression moulding. Employees in the manufacturing plant grind combined plastics into powdery flakes, pass on the material over a polymer epidermis, cover it with another pores and skin and sinter it. Sintering is a means of making objects by shaping them away from powder and then heating the powder to just underneath its melting point so that the particles adhere to one another. During the 2K procedure, air is blown through the sandwich to create a spongy-looking core. After the material offers hardened and cooled, it acquires mechanical strength from its composite structure.


In its initial phase the factory in Luton will manage to plastic pelletizer producing 360, 000 sheets of the materials a full year. Mr Kutluoglu is hoping to double that with a second production line and, ultimately, to open another ten vegetation in Britain so the waste used can be collected locally and transferred over shorter distances. Britain uses about 5m tonnes of plastic annually, but barely one-fifth of this is usually recycled or recovered, according to the Waste and Assets Actions Program, a government-funded agency. Mr Kutluoglu and Mr Taskent hope to transformation that.
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