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Home > News > Recycling

KREYENBORG's latest modular system minimizes odor in regrinds

Source：Adsale Plastics Network Date ：2022-03-24 Editor ：JK

KREYENBORG has developed expertise in plastics recycling, with solutions for decontamination of PCR-PET, crystallization, drying, and heating of bulk materials, using infrared technology.

 

Recently, a further development of this technology is its IR-FRESH, a modular system for the safe and efficient reduction of interfering odors in plastics.

 

In the first process step, an infrared module installed above the material bed heats the material quickly and directly to the optimum temperature level for the plastic in question. In this process, the continuous rotation of the drum ensures a homogeneous mass flow with a defined dwell time (applying the first-in/first-out principle).

 

Due to the rotation and mixing elements integrated in the spirals, the material is continuously mixed in the drum with constant surface exchange. Combined with controlled heating, this ensures considerable odor elimination, even within a very short residence time.


1_web.jpg

KREYENBORG announces new developments for odor-minimization in granulates and regrinds.


In the second process step, the remaining odorous substances in the regrind or granules are removed by a thermal-physical cleaning process in the IR-FRESH CONDITIONER. This IR-FRESH CONDITIONER, an insulated hopper, keeps the material to be decontaminated at a temperature range ideal for the decontamination process by means of a hot purge-gas.

 

Good results for deodorization and decontamination can be achieved through the interaction of the main process parameters of air-flow, temperature, and residence time.

 

Due to its modular design, the IR-FRESH process can be used continuously in two stages both for regrind - before the extrusion process - and for granules after the extrusion process.

 

It is possible to either integrate the IR-FRESH CONDITIONER as an individual step in the process chain or to operate it as an independent, stand-alone solution either continuously or discontinuously. It is also suitable as a retrofit solution for integration in existing plants.

 

Besides, in the KREYENBORG Plastics Trial Center, located in Senden, North Rhine-Westphalia, Germany, appropriate equipment is available for tests that are tailored to the specific customer’s requirements. Relevant tests can be carried out on a laboratory scale of a few kilos, as well as on realistic larger-scale tests.

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Source：Adsale Plastics Network Date ：2022-03-24 Editor ：JK

KREYENBORG has developed expertise in plastics recycling, with solutions for decontamination of PCR-PET, crystallization, drying, and heating of bulk materials, using infrared technology.

 

Recently, a further development of this technology is its IR-FRESH, a modular system for the safe and efficient reduction of interfering odors in plastics.

 

In the first process step, an infrared module installed above the material bed heats the material quickly and directly to the optimum temperature level for the plastic in question. In this process, the continuous rotation of the drum ensures a homogeneous mass flow with a defined dwell time (applying the first-in/first-out principle).

 

Due to the rotation and mixing elements integrated in the spirals, the material is continuously mixed in the drum with constant surface exchange. Combined with controlled heating, this ensures considerable odor elimination, even within a very short residence time.


1_web.jpg

KREYENBORG announces new developments for odor-minimization in granulates and regrinds.


In the second process step, the remaining odorous substances in the regrind or granules are removed by a thermal-physical cleaning process in the IR-FRESH CONDITIONER. This IR-FRESH CONDITIONER, an insulated hopper, keeps the material to be decontaminated at a temperature range ideal for the decontamination process by means of a hot purge-gas.

 

Good results for deodorization and decontamination can be achieved through the interaction of the main process parameters of air-flow, temperature, and residence time.

 

Due to its modular design, the IR-FRESH process can be used continuously in two stages both for regrind - before the extrusion process - and for granules after the extrusion process.

 

It is possible to either integrate the IR-FRESH CONDITIONER as an individual step in the process chain or to operate it as an independent, stand-alone solution either continuously or discontinuously. It is also suitable as a retrofit solution for integration in existing plants.

 

Besides, in the KREYENBORG Plastics Trial Center, located in Senden, North Rhine-Westphalia, Germany, appropriate equipment is available for tests that are tailored to the specific customer’s requirements. Relevant tests can be carried out on a laboratory scale of a few kilos, as well as on realistic larger-scale tests.

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KREYENBORG's latest modular system minimizes odor in regrinds

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