Flow Chart: Mechanical Recycling of Plastic PET Bottles
1. Collecting and sorting post-consumer plastic bottles by polymer
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2. Stripping bottle labels and caps in automated de-labeling units
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3. Crushing and shredding plastic into uniform flake fragments
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4. Washing plastic flakes in hot alkaline water to remove contaminants
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5. Melting dried clean flakes inside high-temperature extruders
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6. Cutting cooled molten strands into raw pellets for textile fiber