Vacurema technology: Difference between revisions

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Surface to volume ratio for flakes is 2.5 times higher than for pellets

* ~~Bulleted list item~~

*'''Bottle flakes'''

'''Bottle flakes'''

Pre-ground with 12 mm screen, average wall thickness approx. 0.1 to 0.4mm

* ~~Bulleted list item~~

*'''Pellets'''

'''Pellets'''

Typical dimensions: diameter approx. 2.5mm x 3mm length or ball shap

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=== Three application fields ===

'''Inline'''

The production of rPET film, besides bottle-to-bottle recycling, is a very inexpensive and profitable way of recycling the valuable secondary raw material PET bottle flakes – which requires professional technology. EREMA offers a complete inline production line for film which consists of a VACUREMA

® Basic extrusion system plus a downstream processing step for thermoforming film production. The flexibility of the VACUREMA ® system is unrivalled in terms

of the bulk density, shape and mixture of the input materials: you can process 100% bottle flakes, ground amorphous skeleton waste, virgin material, edge trim and mixtures of them directly to make food-contact compliant single-layer films (FDA conformity in accordance with categories A-H/J, EFSA approval

requested via customers and obtained).

In addition to this the VACUREMA

®

extruder can be combined

with film production lines of many downstream system

suppliers. This enables you to increase your value added

through the direct production of high-quality end products

without the detour of pelletising

'''Bottle-to-Bottle'''

Vacurema Prime PET extrusion system features two crystallisation dryers operating in batch mode. ~~Products produced using Vacurema Prime technology fulfil the respective criteria of the FDA~~, EFSA and many major brand owners.

Vacurema Prime technology is designed to produce rPET pellets for direct food contact for PET packaging solutions. This PET extrusion system features two crystallisation dryers operating in batch mode. A compact, space-saving all-

in-one solution which achieves IV increases and a remarkable

cleaning effect for decontaminated, pre-dried and crystallised rPET flakes or high-quality, melt-filtered rPET pellets.DA, EFSA and

many major brand owners.

If IV values of > 0.9 dl/g or very high throughputs (> 2500 kg/h) are required, Erema offers its Vacurema technology also in combination with an SSP solution from Polymetrix.

Two parallel vacuum crystallisation dryers are each filled with amorphous, washed PET flakes via a vacuum lock. The two identical crystallisation dryers are placed

immediately upstream of a continuous Vacurema Basic extrusion system. The crystallisation dryers operate in what is referred to as batch mode. The high purity level of the rPET that is produced is achieved by an exactly defined and guaranteed minimum treatment time for every single thin-walled PET flake in high vacuum and at high temperature.

Purity and IV requirements placed on the end product (rPET pellets) can be adapted individually by selecting appropriate batch times.

~~If IV values of > 0.9 dl/g or very high throughputs (> 2500 kg/h) are required, the company can offer its Vacurema technology also in combination with an SSP solution from Polymetrix.~~

=== Related articles ===

[https://petpla.net/archive/PP201403?pp_page=18 Vacurema: rPET for direct food contact]