Utilization of mill tailings, fly ash and slag as mine paste backfill material: Review and future perspective

SK Behera, DP Mishra, P Singh, K Mishra… - … and Building Materials, 2021 - Elsevier
An enormous amount of waste materials (tailings, fly ash and slag) are generated during
mineral processing, power generation and metallurgical processes. A vast literature on …

A review on different methods of activating tailings to improve their cementitious property as cemented paste and reusability

A Saedi, A Jamshidi-Zanjani, AK Darban - Journal of Environmental …, 2020 - Elsevier
Over the past few decades, as demand for minerals and metals has increased, the amount
and volume of wastes and tailings has also increased dramatically. The management and …

Effects of carbon nanotube dosage and aggregate size distribution on mechanical property and microstructure of cemented rockfill

J Wu, H Jing, Y Gao, Q Meng, Q Yin, Y Du - Cement and Concrete …, 2022 - Elsevier
The mechanical and structural properties of cemented rockfill produced by mineral wastes
as recycled aggregates limit its application. In this paper, the macroscopic mechanical and …

Improvement of cemented rockfill by premixing low-alkalinity activator and fly ash for recycling gangue and partially replacing cement

J Wu, HS Wong, H Zhang, Q Yin, H Jing… - Cement and Concrete …, 2024 - Elsevier
Recycling mining wastes such as gangue for cemented rockfill is a key approach for
sustainable development while ensuring the safety of underground structures in the mining …

Application of desulfurization gypsum as activator for modified magnesium slag-fly ash cemented paste backfill material

S Ruan, L Liu, M Zhu, C Shao, L Xie, D Hou - Science of The Total …, 2023 - Elsevier
Recycling industrial solid waste for mine backfill is one of the best ways to achieve green
production in multiple industries. In this paper, the desulfurization gypsum (DG) as an …

A strength prediction model using artificial intelligence for recycling waste tailings as cemented paste backfill

C Qi, A Fourie, Q Chen, Q Zhang - Journal of Cleaner Production, 2018 - Elsevier
The recycling of waste tailings as cemented paste backfill (CPB) has attracted worldwide
attention because of the increasing environmental awareness during mineral resources …

Effect of superplasticizer type and dosage on fluidity and strength behavior of cemented tailings backfill with different solid contents

L Yang, E Yilmaz, J Li, H Liu, H Jiang - Construction and Building Materials, 2018 - Elsevier
This paper presents the coupled effect of solid content and superplasticizer type and dosage
on the fluidity and strength properties of cemented tailings backfills (CTB). A total of three …

Utilization of modified copper slag activated by Na2SO4 and CaO for unclassified lead/zinc mine tailings based cemented paste backfill

Q Chen, Y Tao, Y Feng, Q Zhang, Y Liu - Journal of Environmental …, 2021 - Elsevier
Serious heavy metals pollution was characterized in the lead/zinc mine tailings dam and
surrounding soils, as well as copper slag disposal sites. This study investigates the efficacy …

Strength development and microstructural investigation of lead-zinc mill tailings based paste backfill with fly ash as alternative binder

SK Behera, CN Ghosh, DP Mishra, P Singh… - Cement and Concrete …, 2020 - Elsevier
The increasing popularity of paste backfilling demands alternative binder optimisation and
bulk waste disposal. This study investigates the efficacy of fly ash (FA) as partial …

Geopolymerization mechanism of binder-free mine tailings by sodium silicate

B Koohestani, P Mokhtari, E Yilmaz… - … and Building Materials, 2021 - Elsevier
The geopolymerization of solid substances rich in calcium and aluminum including mine
tailings by sodium silicate is mainly believed to be under the influence of alkali activation …