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May 7, 2026Materials1 citationsOpen Access

Evaluating Glass Waste for Climate Benefits in Concrete and Glass Production

Assessing Climate Benefits and Circularity of Using Glass Waste in Concrete and New Glass Production

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Authors

MSMadumita SadagopanAKAbdinasir KadawoHLHabib Loubani

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Overview

This analysis demonstrates climate impact reduction through glass waste utilization in concrete and recycling, suggesting significant emission savings.

Key Points

  • This research aims to assess the climate benefits and circularity of using glass waste in concrete and new glass production.
  • Comparison of two recycling pathways for glass waste: closed-loop recycling into new glass and use in concrete.
  • Life cycle and circularity assessment of both recycling pathways.
  • Experimental evaluation of concrete performance with varying glass content.
  • Recycling flat glass can reduce emissions by 945 kg CO2eq per ton, but practical benefits are limited to 38 kg CO2eq per ton of demolition glass.
  • Replacing 20% of cement with milled glass powder can save 776 kg CO2eq per ton of glass.
  • Concrete with 33% glass maintains compressive strength comparable to standard mixes.

Cite This Study

Sadagopan et al. (2026) studied this question.

synapsesocial.com/papers/69fbefa3164b5133a91a3ab6https://doi.org/10.3390/ma19091750
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