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Norwegian LCA - analysis for mixed household plastics

The main conclusion is that mechanical recycling gives the most net positive environmental impact. That goes for both climate and energy calculations, measured up against energy recovery and landfill.                                                                                                                           

The main focus of the analysis has been to document positive net environmental effects on different kinds methods of  handling mixed plastic packaging. The method being used in the study is based on the ISO-standards 14040-48. The main conclusion is that mechanical recycling give the most net positive environmental impact. That goes for both climate- and energy calculations, measured up against energy recovery and landfill.

 

The following key indicators are estimated for climate gas emissions from handling mixed plastic packaging from households:                                                            

• Mechanical recycling reduces climate gas emissions by 0, 95 kg CO2-ekv per kg collected plastic packaging.

• Energy recovery adds climate gas emissions by 1,13 kg CO2-ekv per kg collected plastic packaging.

• Landfill adds climate gas emissions by 0,13 kg CO2-ekv per/ kg collected plastic packaging.  

The following key indicators are estimated for energy consumption for handling mixed plastic packaging from households:

• Mechanical recycling reduces energy consumption by 13,7 kWh per kg collected plastic packaging.

• Energy recovery reduces energy consumption by 0,1 kWh per kg collected plastic packaging.

• Landfill gives an added energy consumption by 10,1 kWh per kg collected plastic packaging.

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