Study on the green disposal of industrial high salt water and its performance as activator to prepare magnesium-coal based solid waste backfill material for mine

G **e, L Liu, Y Suo, M Zhu, P Yang, W Sun - Journal of Cleaner Production, 2024 - Elsevier
The significant production of bulk solid waste from metallurgy or coal and industrial high-salt
wastewater (SW), coupled with limited disposal capacity, high disposal expenses, and …

Advances in the use of recycled non-ferrous slag as a resource for non-ferrous metal mine site remediation

J Ban, K Sun, J Yao, G Sunahara… - Environmental …, 2022 - Elsevier
The growing global demand for non-ferrous metals has led to serious environmental issues
involving uncovered mine site slag dumps that threaten the surrounding soils, surface …

[HTML][HTML] Co-treatment of municipal solid waste incineration fly ash and alumina-/silica-containing waste: A critical review

D Yang, KW Kow, W Wang, W Meredith… - Journal of Hazardous …, 2024 - Elsevier
Municipal solid waste incineration fly ash (MSWI-FA) is a hazardous by-product of the
incineration process, characterized by elevated levels of heavy metals, chlorides, and …

A preliminary study of aeolian sand-cement-modified gasification slag-paste backfill: Fluidity, microstructure, and leaching risks

J **n, L Liu, L Xu, J Wang, P Yang, H Qu - Science of the Total Environment, 2022 - Elsevier
To realize low-cost green backfill mining, this paper proposes a novel model of aeolian sand-
cement-modified gasification slag-paste backfill (ACGPB). This model realizes the safe …

Early solidification/stabilization mechanism of heavy metals (Pb, Cr and Zn) in Shell coal gasification fly ash based geopolymer

Y Chen, F Chen, F Zhou, M Lu, H Hou, J Li… - Science of the Total …, 2022 - Elsevier
Immobilizing heavy metals (HMs) from municipal solid waste incineration fly ash (MSWIFA)
using shell coal gasification fly ash (SFA)-based geopolymer can solve the energy and …

Basic characteristics of magnesium-coal slag solid waste backfill material: Part I. preliminary study on flow, mechanics, hydration and leaching characteristics

P Yang, L Liu, Y Suo, H Qu, G **e, C Zhang… - Journal of …, 2023 - Elsevier
The environmental damage caused by surface subsidence and coal-based solid waste
(CBSW) is a common problem in the process of coal mining. Backfill mining can control the …

Mechanical properties and leaching behavior of modified magnesium slag cemented aeolian sand paste backfill materials

S Ruan, L Liu, L **e, C Shao, W Sun, D Hou… - Construction and Building …, 2023 - Elsevier
Magnesium slag is a by-product of magnesium smelting industry, and its massive discharge
has seriously threatened human health and ecological environment. In order to solve the …

Immobilization of hazardous municipal solid waste incineration fly ash by novel alternative binders derived from cementitious waste

P Tang, W Chen, D Xuan, H Cheng, CS Poon… - Journal of hazardous …, 2020 - Elsevier
This work aims to immobilize hazardous municipal solid waste incineration fly ash (IFA)
using alternative binders recycled from cementitious waste (CW) that was dehydrated. The …

[HTML][HTML] In-situ formation of layered double hydroxides in MgO–NaAlO2-activated GGBS/MSWI BA: Impact of Mg2+ on reaction mechanism and leaching behavior

T Liu, S Li, Y Chen, HJH Brouwers, Q Yu - Cement and Concrete …, 2023 - Elsevier
Leaching problems of municipal solid waste incineration bottom-ash (MSWI BA) have been
extensively reported in the literature. The outstanding heavy-metal-ion binding capacity of …

Spatial zonation of a hydrotalcite-like phase in the inner product of slag: New insights into the hydration mechanism

B Li, Q Li, W Chen - Cement and Concrete Research, 2021 - Elsevier
The nano-structural evolution of the inner product of ground granulated blast furnace slag in
blended cement at 7, 14, 28 56 and 180d was revealed. Three distinct layered inner …