Recycling of PO containers into flakes
Sustainability and profitability: our contribution to a circular economy
When one compares the recycling of containers made of polyolefins (PO) and those made out of PET, PO containers present numerous challenges: On the one hand, they are lighter than water which calls for a different procedural approach. On the other, the containers can take on the odour of the products they contain. Krones approaches all of these issues with a recycling technology which has been modified to precisely suit the processing of polyolefins.
At a glance
- Recycling of PO containers into flakes
- MetaPure W-PO washing module
- Intensive pre-washing
- Hot post-washing for an excelling washing result
- Thanks to our co-operation with partners: Krones can also supply complete solutions with systems for the subsequent further processing of the PO flakes
Two system types for PO recycling
| MetaPure (complete system) | MetaPure W-PO |
|---|---|
| Applications | |
Recycling of containers
|
Recycling of containers to form PO flakes for non-food use |
| Output | |
| 1,000 kg/h to 4,500 kg/h | 1,000 kg/h to 4,500 kg/h* |
| Space requirement | |
| 600 – 3,500 m2 | 250 – 1,000 m2 |
*Several modules can be combined with each other in order to achieve higher outputs.
MetaPure W-PO –upcycling instead of downcycling
In the MetaPure W-PO, well proven individual units were adapted to suit conditions specific to PO while keeping the process-related attributes of the Krones washing technology unchanged.
Excellent cleaning results with the Krones washing technology
- Pre-cleaning sequences (optional)
- Caustic cleaning with caustic renewal
- Multi-stage post-washer
- Drying
- Automatic waste management system reduces the operator’s workload (optional)
- Reliable removal of the sinking fraction and labels
The Krones washing process with pre-treatment, caustic washing and hot washing ensures clean flakes which can be ideally used for the manufacture of high-quality applications (fibre, film, injection moulding).
Your benefits
- Gentle treatment of the material as the units operate with a slow rotation
- Reliable removal of dirt, organic residues and adhesives using a caustic washer
- Less cleaning and more safety for the line operators thanks to the clean design and automatic waste management system
- Possibility to reuse the process water with the integrated water cascade
- Very good washing results achieved with a hot post-washing process
- Reliable removal of the sinking fraction and labels
- Constant concentration and low consumption of caustic, additives and defoamers thanks to the automatic dosing equipment
- Robust construction and design of many parts in stainless steel to protect your investment
Our complete-system expertise – Krones as a turnkey supplier and integrator
Complete recycling plant from a single source: Factory planning, project management and recycling expertise
