COREMA - Recycling & Compounding System
A powerful, energy and time-saving innovation from EREMA: COREMA® combines the benefits of recycling and compounding in a single plant. This system produces tailor-made tunable recycling compounds for especially high quality applications. Recycling raw materials such as PP fleece, PE edge trim, PA fibres are transformed into a filtered melt using proven, robust EREMA technology which is then fed directly to the Coperion co-rotating twin screw extruder. With its excellent mixing and gas removal properties, this part of the system can handle all compounding tasks. Besides the dosing of a wide variety of additives, high amounts of fillers and reinforcing agents can be admixed.
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Technical Benefits
- Flexible input of various recycling raw materials thanks to the preconditioning unit and Counter Current technology
- Proven, robust EREMA technology for producing filtered melt material
- Minimum thermal stress through short, defined dwell times and direct dosing of the melt in the twin-screw/compounder/extruder
- Proven EREMA degassing technology with EREMA preconditioning unit and extruder degassing
- Central user interface to control the whole system
Economic Benefits
- Increased value added thanks to the use of inexpensive raw materials (e.g. PP non-woven, PE edge trim, PA fibres etc.)
- Very low operating costs and minimal specific energy costs through direct dosing of the filtered melt and processing in a single heat
- Modular system concept offers optimum adjustment to the respective application
- Reliable production thanks to Counter Current technology and very robust design
- Compact, space-saving design
- ecoSAVE® reduces energy consumption by up to 12 % as well as production costs and CO2 emissions as a result
How It Works
Feeding (1) is automatic according to customer requirements. In the patented Preconditioning Unit (2) the material is cut, mixed, heated, dried, pre-compacted and buffered. Next, the tangentially connected extruder is filled continuously with hot, pre-compacted material.
In the extruder screw (3) the material is plasticised, homogenised and then cleaned in the fully automatic self-cleaning filter (4).
The prepared and cleaned melt then goes via the melt pump (5) directly to the co-rotating, self-cleaning twin-screw extruder (6) from Coperion. With its excellent mixing and gas removal properties, this flexible part of the system can handle all compounding tasks.
Besides the dosing of a wide variety of additives, high amounts of fillers and reinforcing agents can be admixed (7). In the degassing zone (8) the compounded melt is degassed and then fed into the respective system (9) (e.g. EREMA hot die face pelletising system).
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