Applying Chemometrics to Evaluate Mine Tailings’ Potential As Partial Cement Replacement

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Abstract

This study investigates the utilization of mine tailings, the by-product originating from metal- and mineral-based ore mining, as a new cement replacement material. This paper is based on the chemical and physical characteristics of 13 mine tailing samples. In this study, Chemometrics were applied to consider all parameters simultaneously and obtain a thorough screening of potential relations in the large data set. Hierarchical Cluster Analysis (HCA) groups samples according to (dis)similar features and Principal Component Analysis (PCA) visualizes predominating variables and relations to samples. The application of HCA highlighted a clear grouping between mine tailings according to characteristics. Meanwhile, PCA identified the predominant chemical and physical characteristics in the mine tailing samples. Chemometrics therefore provided a thorough overview of mine tailings’ physical and chemical characteristics.
Original languageEnglish
Title of host publicationRICON19 : REMINE International Conference on Valorization of mining and industrial wastes into construction materials by alkali-activation
Volume2020
PublisherKnE Publishing
Publication date2020
Pages178-187
DOIs
Publication statusPublished - 2020
EventRICON19: Remining International Conference - University of Beira Interior, Covilha, Portugal
Duration: 11 Dec 201913 Dec 2019
https://www.ubi.pt/Entidade/ricon19

Conference

ConferenceRICON19
LocationUniversity of Beira Interior
CountryPortugal
CityCovilha
Period11/12/201913/12/2019
Internet address
SeriesKne Engineering
ISSN2518-6841

Keywords

  • Mine tailings
  • Chemometrics
  • Cement replacement

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