ReFresher

Ensures Odorless Recyclate

Post-consumer material, especially household packaging waste, is considered to be plastic which is difficult to recycle due to impurities and the fluctuating degree of contamination. These contaminants often cause an unpleasant odour in the recyclates which severely limits the scope of use with the end products. The Erema Group introduces the ReFresher which eliminates odors caused by migrated substances, i.e. residues left on the plastic materials. These include, for example, food contamination, cleaner/detergent residues and cosmetics.

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The combination of ReFresher and the TVEplus technology now offers odourless recyclates for the first time even in the case of severely contaminated packaging waste (© Erema)

The ReFresher is downstream of the extrusion process and keeps the recyclates at the required temperature at which volatile materials can be discharged. It is available in various expansion stages depending on the end application. The ReFresher is based on Erema's proven TVEplus technology and now offers filtrated, degassed and odorless recyclates for the first time in post-consumer recycling – even in the case of severely contaminated packaging waste. The Intarema TVEplus prevents unpleasant odors from developing in the course of the extrusion process. In conventional processes these develop for example through cellulose contamination such as wood or paper which burn during extrusion and transfer the smell to the plastic. The interplay of preconditioning unit, Airflush technology, low melt temperature, efficient filtration and several degassing steps ensures that the cellulose particles are separated from the plastic.

"The odor caused by migrated substances, however, is more stubborn. End products such as plastic parts in cars or in the home call for an additional recycling step to neutralise the odor. And this is exactly what we developed the ReFresher for," explains Clemens Kitzberger, Post Consumer Business Development Manager at Erema. Starting immediately, the company offers a mobile ReFresher as an additional service for on-site trials directly at the customer's location to adapt the solution precisely to the requirements of the end product.

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