The potential re-use of Saudi mine tailings in mine backfill: A path towards sustainable mining in Saudi Arabia

M Hefni, HAM Ahmed, ES Omar, MA Ali - Sustainability, 2021 - mdpi.com
The Kingdom of Saudi Arabia covers an area of approximately 2 million km2 and is rich in
natural resources that are necessary for industrial development. The estimated mineral …

Hydration mechanism and mechanical-thermal correlation of cemented paste backfill under different curing temperatures

C Zhang, W Song, A Taheri, J Fu, T Zhao… - Journal of Building …, 2024 - Elsevier
The external ambient temperature plays a crucial role in influencing the hydration process of
cemented paste backfill (CPB), causing notable variations in overall structure and physical …

Response surface methodology-based characterization and optimization of fibre reinforced cemented tailings backfill with Slag

K Sun, M Fall - International Journal of Mining, Reclamation and …, 2023 - Taylor & Francis
With the increasing depths of underground mines due to the scarcity of near-surface ores,
the introduction of fibre-reinforced cemented paste backfill (F-CPB) has emerged as a novel …

Strength analysis and optimization of alkali activated slag backfills through response surface methodology

X Dai, L Ren, X Gu, E Yilmaz, K Fang, H Jiang - Frontiers in Materials, 2022 - frontiersin.org
The significant difference in water-to-binder ratio, activator type and concentration between
alkali-activated slag (AAS) paste/mortar/concrete and AAS-based cemented paste backfill …

Eco-Sustainable Recycling of Cement Kiln Dust (CKD) and Copper Tailings (CT) in the Cemented Paste Backfill

AY Al-Bakri, HM Ahmed, MA Hefni - Sustainability, 2023 - mdpi.com
Cement global demand shows continued growth and a significant increase in the production
volume, which may negatively impact the non-renewable natural resources and the …

The rheological properties and strength characteristics of cemented paste backfill with air-entraining agent

B Yang, X Wang, P Yin, C Gu, X Yin, F Yang, T Li - Minerals, 2022 - mdpi.com
Clogging pipelines is one of the most common and urgent problems in paste backfill mining.
The aim of the present study was to solve the problem of pipe blockage in paste backfill …

[HTML][HTML] Experimental Investigation of Recycling Cement Kiln Dust (CKD) as a Co-Binder Material in Cemented Paste Backfill (CPB) Made with Copper Tailings

AY Al-Bakri, HM Ahmed, MA Hefni - Minerals, 2024 - mdpi.com
Cement production may involve excessive use of natural resources and have negative
environmental impacts, as energy consumption and CO2 emissions can cause air pollution …

Evolution characteristics of overlying strata fractures in paste composite filling stope

W Lv, K Guo, H Wang, K Feng, D Jia - Minerals, 2022 - mdpi.com
Paste composite filling mining (PCFM) is one of the effective ways to achieve water-
preserved mining (preservation of the waterproof strata). To investigate the laws of fracture …

[HTML][HTML] Effect of sodium dodecyl sulphate on the rheological and carbon sequestration properties of cemented paste backfill with CO2 injection

Z Shen, Y Zhou - Frontiers in Earth Science, 2024 - frontiersin.org
Cemented paste backfill (CPB) is a technology that has a positive impact on both the
environment and mining safety. In recent years, it has been widely applied and developed …

Cement Kiln Dust (CKD) as a Co-Binder for Cemented Paste Backfill of Base Metal Underground Mines

AY Bakri - 2023 - platform.almanhal.com
With the continuity in cement demand growth, global production is expected to be increased,
which may cause environmental concerns incompatible with sustainability objectives …