Recent advances toward structural incorporation for stabilizing heavy metal contaminants: A critical review

Y Zhou, Y Tang, C Liao, M Su, K Shih - Journal of Hazardous Materials, 2023 - Elsevier
Heavy metal pollution has resulted in serious environmental damage and raised significant
public health concerns. One potential solution in terminal waste treatment is to structurally …

Design and Application of Materials for Sequestration and Immobilization of 99Tc

BK Singh, NS Mahzan, NS Abdul Rashid… - Environmental …, 2023 - ACS Publications
99Technetium (99Tc) is a hazardous radionuclide that poses a serious environmental threat.
The wide variation and complex chemistries of liquid nuclear waste streams containing 99Tc …

First-principles investigations of arsenate doping into the ettringite lattice

Y Zhao, Y Sun, Z Guo, J Qiu, X Sun - Journal of Cleaner Production, 2023 - Elsevier
Hazardous wastes are commonly immobilized using cementitious materials. Ettringite (Ca 6
Al 2 (OH) 12 (SO 4) 3∙ 26H 2 O) is one of the main components of hydrated cement and is …

Sulfate and divalent cations recovery from municipal nanofiltration concentrate using two-step ion exchange membrane electrolysis

X Tang, L Hu, Y Zhang, N Cheng, H Liang, J Wang… - Desalination, 2022 - Elsevier
Municipal nanofiltration (NF) concentrate generally contains sulfate and divalent cations. In
this study, the SO 4 2−, Ca 2+, and Mg 2+ were recovered by the two-step ion exchange …

Recycling of arsenic-containing biohydrometallurgy waste to produce a binder for cemented paste backfill: Mix proportion optimization

Y Zhao, J Qiu, S Zhang, Z Guo, P Wu, X Sun, X Gu - Powder Technology, 2022 - Elsevier
Arsenic-containing biohydrometallurgy waste (BW) is used to prepare a cementitious
material, on the one hand, to solve the problem of lack of cheaper and greener binder for …

[HTML][HTML] Hydrate assemblage stability of calcium sulfoaluminate-belite cements with varying sulfate content

S Nelson, DA Geddes, SA Kearney, S Cockburn… - … and Building Materials, 2023 - Elsevier
To assess the feasibility of employing calcium sulfoaluminate (CSA)-belite cements for
radioactive waste encapsulation purposes, a series of 40 mixes were conducted on a 3-litre …

Non-covalent interactions-advanced selective trapping of flexible nitrilotriacetamide towards radioactive pertechnetate

D Xie, J Wang, YC Hou, YR Guo, S Ding… - Chemical Engineering …, 2024 - Elsevier
Pertechnetate is one of the most prevalent forms of radioactive 99 Tc element. Most of
traditional extractants have failed in its extraction and separation due to the almost no …

Recycling of arsenic-containing biohydrometallurgy waste to produce a binder for cemented paste backfill: Influence of additives

Y Zhao, X Gu, J Qiu, S Zhang, Z Guo, X Sun - Journal of Cleaner Production, 2022 - Elsevier
Biohydrometallurgy waste (BW) was used as sulfate sources for supersulfated cement (SSC)
production with the aim of providing an alternative binder for cemented paste backfill (CPB) …

Highly efficient sorption of selenate and selenite onto a cationic layered single hydroxide via anion exchange and inner-sphere complexation

H Cai, H Bao, X Zhang, L Lei, C Xiao - Chemical Engineering Journal, 2021 - Elsevier
Selenium is a double-edge sword element with a narrow dosage margin between as a
nutrient and toxicant. Seeking efficient sorbents with high performance for reducing high …

Photocatalytic Reduction of Perrhenate and Pertechnetate in a Strongly Acidic Aqueous Solution

H Yang, H Deng, P Liang, XJ Ma, J Yin… - Environmental …, 2024 - ACS Publications
Pertechnetate (99TcO4–), a physiologically toxic radioactive anion, is of great concern due
to its high mobility in environmental contamination remediation. Although the soluble …