an official journal of: published by:
an official journal of: published by:
Editor in Chief: RAFFAELLO COSSU


  • Oriana Trotta - Department of Chemical Engineering, Materials & Environment, University of Rome La Sapienza, Italy
  • Giuseppe Bonifazi - Department of Chemical Engineering, Materials & Environment, Sapienza, University of Rome, Italy - Research Center for Biophotonics, Sapienza, University of Rome, Italy
  • Giuseppe Capobianco - Department of Chemical Engineering, Materials & Environment, Sapienza University of Rome, Italy
  • Silvia Serranti - Department of Chemical Engineering, Materials and Environment, Sapienza, University of Rome, Italy - Research Center for Biophotonics, Sapienza, University of Rome, Italy

Released under CC BY-NC-ND

Copyright: © 2022 CISA Publisher


During an earthquake, a large amount of waste was generated, and many Asbestos-Containing Materials (ACM) were unintentionally destroyed. ACM is a mixture of cement matrix and asbestos fiber, widely used in construction materials, that causes serious diseases such as lung cancer, mesothelioma and asbestosis, as a consequence of inhalation of the asbestos fiber. In order to reuse and recycle Post-earthquake Building Waste (PBW) as secondary raw material, ACM must be separately collected and deposited from other wastes during the recycling process. The work aimed to develop a non-destructive, accurate and rapid method to detect ACM and recognize different types of PBW to obtain the best method to correctly identify and separate different types of material. The proposed approach is based on Hyperspectral Imaging (HSI) working in the short-wave infrared range (SWIR, 1000-2500 nm), followed by the implementation of a classification model based on hierarchical Partial Least Square Discriminant Analysis (hierarchical-PLS-DA). Micro-X-ray fluorescence (micro-XRF) analyses were carried out on the same samples in order to evaluate the reliability, robustness and analytical correctness of the proposed HSI approach. The results showed that the applied technology is a valid solution that can be implemented at the industrial level.


Editorial History

  • Received: 25 Jun 2022
  • Revised: 07 Dec 2022
  • Accepted: 12 Dec 2022
  • Available online: 31 Dec 2022


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