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Tetra Pak packaging is a composite food packaging material composed of cardboard (75%), plastic (20%), and aluminum foil (5%), widely used for liquid foods such as milk and juice. While its multi-layer structure effectively preserves freshness, it also makes it difficult to degrade using traditional methods. Globally, over 200 billion Tetra Pak packaging are consumed annually, representing a significant amount of municipal solid waste and requiring specialized equipment for resource recovery.

The Environmental Benefits of Recycling

Recycling one ton of Tetra Pak packaging reduces carbon emissions by 1.5 tons, saves 13 trees, and conserves 50 tons of water. The aluminum layer takes 80 years to degrade in landfill, while the plastic takes 400 years. Professional recycling can prevent soil contamination and the spread of microplastics, contributing to the "double carbon" goals. European countries have achieved a 40% recycling rate through mandatory recycling, demonstrating its environmental value.

Core Recycling Process

Specialized recycling machines decompose packaging through a three-step process: crushing, hydraulic pulping, and centrifugal separation. Paper pulp is made into recycled paper, plastic is granulated for use in building materials, and aluminum foil is melted into aluminum ingots. The entire process utilizes a closed-loop water treatment system. Each unit can process 15-20 tons of water daily, achieving a material recovery rate exceeding 95%, an eightfold improvement over traditional methods.

Economic Benefits of Recycling

Recycled pulp is valued at approximately 4,000 yuan per ton, and aluminum ingots at 15,000 yuan per ton. Based on an annual processing capacity of 10,000 tons, this could generate 12 million yuan in revenue. Companies can also benefit from carbon trading revenue and government subsidies, with a payback period of approximately 3-5 years. Countries like Brazil have established a complete recycling and remanufacturing industry chain, demonstrating its commercial viability.