Molding Process
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Methane emission after PLA waste landfill
Problem Phenomenon
PLA produces methane greenhouse gas under anaerobic landfill conditions.
Cause Analysis
PLA degrades slowly under anaerobic conditions but eventually produces CH₄.
Solution
Promote industrial composting instead of landfill; anaerobic digestion for energy utilization.
Key Takeaway
PLA landfill methane emission is an LCA consideration.
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