Minerals (Aug 2021)

Construction and Demolition Waste Recycling through Conventional Jig, Air Jig, and Sensor-Based Sorting: A Comparison

  • Carlos Hoffmann Sampaio,
  • Weslei Monteiro Ambrós,
  • Bogdan Grigore Cazacliu,
  • Josep Oliva Moncunill,
  • Moacir Medeiros Veras,
  • Gérson Luis Miltzarek,
  • Luis F. O. Silva,
  • Ariane Salvador Kuerten,
  • Maria Alejandra Liendo

DOI
https://doi.org/10.3390/min11080904
Journal volume & issue
Vol. 11, no. 8
p. 904

Abstract

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The paper presents a comparison of the concentration methods conventional jig, air jig, and sensor-based sorting to treat construction and demolition waste. All tests were made with concrete, brick, and gypsum particles and the tests aim to separate these materials into different size ranges, depending on the method. The equipment tested, conventional jig, air jig, and sensor-based sorting present good results to concentrate construction and demolition waste particles, with different concentrations and mass recoveries. The results show particularly good mass recoveries and particle concentration for conventional jig, especially for concrete and gypsum particles. Sensor-based sorting should preferably use concentration circuits for best results.

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