Recycling of Mine Wastes in the Concrete Industry: A Review

Author:

El Machi Aiman1ORCID,El Berdai Yahya2,Mabroum Safaa3ORCID,Safhi Amine el Mahdi4ORCID,Taha Yassine2ORCID,Benzaazoua Mostafa2ORCID,Hakkou Rachid25ORCID

Affiliation:

1. Department of Environmental and Resource Engineering, Technical University of Denmark, 2800 Kongens Lyngby, Denmark

2. Geology and Sustainable Mining Institute (GSMI), Mohammed VI Polytechnic University (UM6P), Ben-Guerir 43150, Morocco

3. Department of Energy, Systems, Territory and Construction Engineering, University of Pisa, 56122 Pisa, Italy

4. Gina Cody School of Engineering and Computer Science, Concordia University, Montreal, QC H3G 1M8, Canada

5. Faculty of Science and Technology, Cadi Ayyad University, Marrakech 40000, Morocco

Abstract

The mining industry generates a substantial amount of waste materials, including tailings and waste rocks, which, if not managed correctly, pose threats to the environment and public health due to their long-term accumulation and disposal. Simultaneously, the construction sector consumes important amounts of natural resources like water and rocks. However, research shows that inert mining waste can serve as a substitute for conventional raw materials in construction, particularly in concrete. This review focuses on using mining waste as an alternative to concrete technology to promote cleaner practices in construction and circular economy in mining. Mining waste, with its physical characteristics and chemical composition, can function as diverse components in concrete, such as sand, aggregates, and binders. This article assesses these properties and explores their incorporation into concrete production, aiming to stimulate further research and development, foster environmentally responsible approaches, and underline the direct link to reaching SDGs to achieve sustainability in the construction industry.

Funder

Moroccan Ministry of Higher Education, Scientific Research, and Innovation

OCP Foundation

Publisher

MDPI AG

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