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Material flow analysis and material use efficiency of Brazil's mortar and concrete supply chain

Costa Reis, Daniel ; Mack‐Vergara, Yazmin ; John, Vanderley Moacyr

Journal of industrial ecology, 2019-12, Vol.23 (6), p.1396-1409 [Peer Reviewed Journal]

New Haven: Wiley Subscription Services, Inc

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  • Title:
    Material flow analysis and material use efficiency of Brazil's mortar and concrete supply chain
  • Author: Costa Reis, Daniel ; Mack‐Vergara, Yazmin ; John, Vanderley Moacyr
  • Subjects: Concrete ; dematerialization ; Efficiency ; Extraction ; Metabolic rate ; Mortars (material) ; Quarries ; quarry waste ; Raw materials ; Supply ; Supply chains ; unused extraction ; Wastage ; wastage rate ; Wastes ; Water consumption
  • Is Part Of: Journal of industrial ecology, 2019-12, Vol.23 (6), p.1396-1409
  • Notes: Funding information
    The author listing and “Funding information” section was changed after initial online publication to consistently present the full names of the authors and their affiliations and to correctly indicate the financial support for this work.
    This research project is supported by INCT CEMtec FAPESP (grant no. 2014/50948‐3) and CNPq (grant no. CNPq_48ddc0e7b1). DCR is supported by CAPES scholarship and FDTE (grant no. 1804.03.19). YLMV research is supported by UTP‐IFARHU (grant no. 08‐2014‐42).
    Editor Managing Review: Heinz Schandl
  • Description: Cementitious materials, mostly concrete and mortar, account for about one‐third of all materials extraction worldwide. Material flow data in this industry are still unsatisfactory, especially related to unused extraction materials, quarry wastes, and water consumption, aspects which usually are not included in environmental analysis studies. The aim of this study is to conduct a material flow analysis (MFA) of the Brazilian concrete and mortar supply chain to quantify material use efficiency (ME) and dematerialization potential. The MFA includes extraction, production, and construction stages for the following indicators: i) unused extraction; ii) quarry waste; iii) water consumption; iv) material wastage; v) raw material consumption; vi) energy carriers; and vii) atmospheric emissions. The results demonstrated that the primary raw material footprint is about 456 million metric tons (Mt) corresponding to a metabolic rate of 2.2 metric tons/capita (t/capita). After including unused extraction, quarry wastes, water consumption, and secondary materials this value increases to 4.1 t/capita corresponding to a total material consumption of 840 Mt. Concrete and mortar can be produced using two routes—mixing on site or industrial mixing. We conclude that the industrial scenario allows for dematerialization by about 8% for concrete and 24% for mortar, by mass; and the average material use efficiency is low, at about 53% for concrete and 34% for mortar.
  • Publisher: New Haven: Wiley Subscription Services, Inc
  • Language: English
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