Utilization of Recycled Electronics Waste (E-Waste) in Portland Cement Concrete
Publication: International Conference on Transportation and Development 2022
ABSTRACT
The term “e-waste” is used for the electronic modules at the end of their life cycle or defected items rejected in their production process. With only 20% recycled out of about 45 million tons of annually generated e-waste, it has become an environmental challenge and a health concern. In the absence of an economical and safe recycling technique, the utilization of e-waste in construction materials can effectively encapsulate it and reduce landfills. To this end, this study was undertaken to investigate the feasibility of utilizing a specific stream of e-waste, consisting of ground electronic boards, plastic fixtures, and sealants, used in large video screens in Portland cement concrete (PCC). For this purpose, electronic modules were collected and crushed in an industrial grinder. Crushed particles were fractionated based on their particle sizes and used to produce PCC samples while replacing about 15% (by volume) of mineral aggregates. Additionally, control PCC samples without any e-waste were prepared. Samples were tested after seven days of curing, and their skid resistance, compressive strength, and modulus of rupture were determined. The findings of this study are expected to help reduce landfilled e-waste and promote sustainability.
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International Conference on Transportation and Development 2022
Pages: 318 - 326
History
Published online: Aug 31, 2022
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- Rouzbeh Ghabchi, Maryam Mihandoust, Debbrata Datta, Electronic Waste (E-Waste) as Synthetic Aggregate for Hot-Mix Asphalt, Airfield and Highway Pavements 2023, 10.1061/9780784484906.008, (83-91), (2023).