Lærke Lindgreen Lauritsen’s research while affiliated with Norwegian University of Science and Technology and other places

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Publications (1)


FIGURE 1: Material Flow Analysis system description for calculating the material flows and the recycling rate of the WEEE system. The flows labeled A) for recycling, B) for incineration, C) for landfilling and D) for illegal exports.
FIGURE 2: Bar graph showing the total yearly mass per WEEE category and its subsequent share of embodied materials.
FIGURE 3: Mass flow diagram of material production, collection within and outside the EPR scheme, and materials going to Circular Material Use, or Linear Material Loss based on collection raters and recycling yields.
FIGURE 4: Kg CO 2 -eq emissions embedded in material production within each waste category, and End-of-Life (EOL) treatment emissions due to incineration, landfilling or recycling processes.
FIGURE 5: Breakdown of CO 2 -eq emissions for each End-of-Life treatment, per waste category.

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Electronic Waste Treatment Flows in Norway: Investigating recycling rates and embodied emissions
  • Article
  • Full-text available

December 2023

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1,422 Reads

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1 Citation

Detritus

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Lærke Lindgreen Lauritsen

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Norway is one of the countries in Europe generating the most waste from electrical and electronic equipment (WEEE) per capita. Extended producer responsibility schemes are incorporated as part of the national waste policy, with clear goals towards recovery of materials from the waste fraction. Investigating the WEEE flows in Norway, we observe clear improvements needed in the transparency of the sector, and based on the information gathered, we estimate lower recycling of materials than provided through official statistics based on reporting. 68% of WEEE sent to recycling treatments are recycled into reusable material. Accounting for WEEE occurring outside of the treatment system, only 58% is recovered for recycling. We also estimate the CO2-eq emissions of different End-of-Life treatments of WEEE, and the embodied CO2-equivalent emissions of each WEEE category, illustrating 1) what category carry the largest environmental burden with respect to its embedded materials, and 2) the environmental impact of specific treatment options within the system. We show how the recycling rate of precious metals have significant influence over the environmental impact recovery potential of the system. Its not just the amount of material that is recycled that is important, including a proxy for expended emissions effectively illustrates the need for more precise policy implementation to ensure a functional circular economy.

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Citations (1)


... Although data on main fraction generation and treatment is reliable, the composition and specificity of MSW fractions varies substantially (Provost-Savard et al., 2023). Previous studies have highlighted the lack of transparency in European WMSs (De Meester et al., 2019;Baxter et al., 2016;Blengini et al., 2012;Haraldsson, 2016;Mattson et al., 2023). The largest uncertainties are observed for WEEE, wood recycling, plastic recycling, hazardous waste, carton recycling, and biofertilizer use. ...

Reference:

Incineration economy: Waste management policy failing the circular economy transition in Norway
Electronic Waste Treatment Flows in Norway: Investigating recycling rates and embodied emissions

Detritus