Complete Line for Separation of Plastic from Tetrapack

Created on 2025.12.01
complete line for separation of plastic from Tetrapack is a specialized recycling system designed to process composite beverage cartons and extract high-value materials. Tetrapack consists of multiple layers—paper fiber, polyethylene plastic, and aluminum—combined through lamination. Because traditional recycling machines cannot separate these tightly bonded layers, industries rely on dedicated separation lines to increase resource recovery rates and reduce environmental impact. The primary purpose of this system is to transform post-consumer cartons into reusable polymers and fibers, ensuring both economic and ecological benefits.
Complete Line for Separation of Plastic from Tetrapack
To understand how the system works, it is important to examine the process flow of a complete Tetrapack separation line. The entire process typically includes the following stages:
  1. Pre-Shredding
Tetrapack cartons are fed into a heavy-duty shredder that cuts them into smaller pieces. Shredding increases the exposure surface and enables efficient layer separation in later stages.
  1. Hydrapulping and Fiber Extraction
The shredded material enters a hydrapulper filled with water. Strong mechanical agitation breaks the paper fiber layer away from the aluminum-plastic laminate. The extracted fibers are screened and discharged for paper recycling.
  1. Plastic–Aluminum Separation
After fiber removal, the remaining composite mixture is processed through flotation tanks, friction washers, or mechanical separators. In these systems, density differences and friction force separate the polyethylene plastic from the thin aluminum layer.
  1. Washing, Drying, and Final Output
Clean plastic flakes undergo washing to remove contaminants, followed by drying and conveying to storage silos. The separated aluminum is collected for smelting or material refining.
A complete line for separation of plastic from Tetrapack integrates several advanced technologies to maximize performance. Its technical advantages include:
  • High Recovery Efficiency
: Optimized hydrapulping and flotation systems achieve high plastic and fiber recovery rates.
  • Energy-Saving Operation
: Innovative motor systems and water-recycling solutions significantly reduce daily energy and water consumption.
  • Automated Operation Control
: PLC automatic control panels allow real-time monitoring, fault alerts, and stable continuous running.
  • Durable Industrial Design
: Stainless steel construction and corrosion-resistant components ensure long service life under heavy workloads.
  • Flexible Configuration Options
: Plant layouts can be customized with additional shredders, friction washers, or pelletizing lines depending on capacity requirements.
The commercial value of materials recovered from Tetrapack continues to increase due to global recycling policies and the demand for sustainable resources. Recovered materials offer multiple industrial applications:
  • Recovered Plastic (LDPE/HDPE)
    • Plastic granulation
    • Film extrusion
    • Injection molding parts
    • Plastic lumber and outdoor products
  • Recovered Paper Fiber
    • Tissue paper manufacturing
    • Molded pulp packaging
    • Recycled cardboard production
  • Recovered Aluminum Layer
    • Metallurgical additives
    • Aluminum refining
    • Industrial composite materials
These outputs enable recycling companies to generate stable revenue streams and reduce reliance on virgin raw materials. As sustainability standards grow, more packaging manufacturers, recycling plants, and environmental technology enterprises are investing in Tetrapack separation lines to meet regulatory requirements and circular economy goals.
In conclusion, a complete line for separation of plastic from Tetrapack provides a comprehensive solution to process composite cartons, recover valuable materials, and support environmental protection. Through efficient shredding, pulping, and separation technologies, the system maximizes recycling output while maintaining low operational cost and high productivity.
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