A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sustainable utilization of copper post-flotation waste in cement composites
https://orcid.org/0000-0001-6982-4460
https://orcid.org/0000-0002-3066-4751
https://orcid.org/0000-0001-7652-2153
Highlights Detailed characteristics of post-flotation waste from copper ore. The use of waste to partially replace three types of Portland cement: CEM I, CEM II/B-V and CEM III/A. The effective method to utilize the post floatation waste in in cement building material. New direction of post-mining precipitation management.
Abstract The current way of managing the copper ore flotation waste is by placing it in waste neutralization facilities. However, flotation waste has great potential in application in cement composites. The article presents the detailed characteristics of post-flotation waste (PFW) and three types of cements: CEM I, CEM II/B-V, and CEM III/A, 42.5 MPa class. The post-flotation waste added for 20% of the cement mass increase the water demand to obtain the standard consistency. The highest pozzolanic activity was noted for mortars made of Ordinary Portland Cement and cured at 20 °C. The lower curing temperature, i.e. 10 °C, delays the hydration reaction, extends setting time, and reduces compressive strength. The conducted tests showed that the specimens produced from CEM I and PFW have the highest compressive strength (after 28 and 90 days), which means that PFW does not react with silica fly ash (from CEM II/B-V) and granulated blast furnace slag (from CEM III/A). The reaction of the waste with the components of the Portland clinker is preferred. The performed studies proved that the utilization of copper post-flotation waste allows for the development of sustainable and durable composite made of CEM I and indicated the possibilities of further testing of waste, in the direction of its use as a mineral additive for concrete.
Sustainable utilization of copper post-flotation waste in cement composites
https://orcid.org/0000-0001-6982-4460
https://orcid.org/0000-0002-3066-4751
https://orcid.org/0000-0001-7652-2153
Highlights Detailed characteristics of post-flotation waste from copper ore. The use of waste to partially replace three types of Portland cement: CEM I, CEM II/B-V and CEM III/A. The effective method to utilize the post floatation waste in in cement building material. New direction of post-mining precipitation management.
Abstract The current way of managing the copper ore flotation waste is by placing it in waste neutralization facilities. However, flotation waste has great potential in application in cement composites. The article presents the detailed characteristics of post-flotation waste (PFW) and three types of cements: CEM I, CEM II/B-V, and CEM III/A, 42.5 MPa class. The post-flotation waste added for 20% of the cement mass increase the water demand to obtain the standard consistency. The highest pozzolanic activity was noted for mortars made of Ordinary Portland Cement and cured at 20 °C. The lower curing temperature, i.e. 10 °C, delays the hydration reaction, extends setting time, and reduces compressive strength. The conducted tests showed that the specimens produced from CEM I and PFW have the highest compressive strength (after 28 and 90 days), which means that PFW does not react with silica fly ash (from CEM II/B-V) and granulated blast furnace slag (from CEM III/A). The reaction of the waste with the components of the Portland clinker is preferred. The performed studies proved that the utilization of copper post-flotation waste allows for the development of sustainable and durable composite made of CEM I and indicated the possibilities of further testing of waste, in the direction of its use as a mineral additive for concrete.
Sustainable utilization of copper post-flotation waste in cement composites
https://orcid.org/0000-0001-6982-4460
https://orcid.org/0000-0002-3066-4751
https://orcid.org/0000-0001-7652-2153
Highlights Detailed characteristics of post-flotation waste from copper ore. The use of waste to partially replace three types of Portland cement: CEM I, CEM II/B-V and CEM III/A. The effective method to utilize the post floatation waste in in cement building material. New direction of post-mining precipitation management.
Abstract The current way of managing the copper ore flotation waste is by placing it in waste neutralization facilities. However, flotation waste has great potential in application in cement composites. The article presents the detailed characteristics of post-flotation waste (PFW) and three types of cements: CEM I, CEM II/B-V, and CEM III/A, 42.5 MPa class. The post-flotation waste added for 20% of the cement mass increase the water demand to obtain the standard consistency. The highest pozzolanic activity was noted for mortars made of Ordinary Portland Cement and cured at 20 °C. The lower curing temperature, i.e. 10 °C, delays the hydration reaction, extends setting time, and reduces compressive strength. The conducted tests showed that the specimens produced from CEM I and PFW have the highest compressive strength (after 28 and 90 days), which means that PFW does not react with silica fly ash (from CEM II/B-V) and granulated blast furnace slag (from CEM III/A). The reaction of the waste with the components of the Portland clinker is preferred. The performed studies proved that the utilization of copper post-flotation waste allows for the development of sustainable and durable composite made of CEM I and indicated the possibilities of further testing of waste, in the direction of its use as a mineral additive for concrete.
Sustainable utilization of copper post-flotation waste in cement composites
Kalisz, Szymon (author) / Lieder, Marek (author) / Haustein, Elżbieta (author) / Kuryłowicz-Cudowska, Aleksandra (author)
2023-03-17
Article (Journal)
Electronic Resource
English
Copper Mine Flotation Waste (TAIL) Utilization in Cement Industry
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