Characterization techniques as supporting tools for the interpretation of biochar adsorption efficiency in water treatment: a critical review

M Castiglioni, L Rivoira, I Ingrando, M Del Bubba… - Molecules, 2021 - mdpi.com
Over the past decade, biochar (BC) has received significant attention in many environmental
applications, including water purification, since it is available as a low-cost by-product of the …

Characteristics of dewatering induced drawdown curve under blocking effect of retaining wall in aquifer

YX Wu, SL Shen, DJ Yuan - Journal of Hydrology, 2016 - Elsevier
For deep excavation pits that require the pumping of confined groundwater, a combination of
a retaining wall and dewatering with large-diameter wells is usually adopted during …

Stabilization of arsenic and antimony Co-contaminated soil with an iron-based stabilizer: Assessment of strength, leaching and hydraulic properties and …

S Zhou, Y Du, Y Feng, H Sun, W Xia, H Yuan - Chemosphere, 2022 - Elsevier
Soils with relatively high concentrations of arsenic (As) and antimony (Sb) in mining areas
would impose significant risks to human health and ecosystem. A new stabilizer PFSC …

Effects of natural zeolite and sulfate environment on mechanical properties and permeability of cement–bentonite cutoff wall

A Akbarpour, M Mahdikhani - European Journal of Environmental …, 2023 - Taylor & Francis
Cement–bentonite (CB) slurry cutoff walls are extensively utilized to restrict the horizontal
flow of fluids. In this study, cement was replaced by four various contents of 0%, 10%, 20 …

A review on the effects of landfill leachate on the physical and mechanical properties of compacted clay liners for municipality landfills

A Norouzi, E Uygar, Z Nalbantoglu - Arabian Journal of Geosciences, 2022 - Springer
One of the oldest forms of disposal and removal of waste is landfilling, which essentially
comprises a lining system protecting natural ground from leachate formed in the long term …

Containment of phenol-impacted groundwater by vertical cutoff wall with backfill consisting of sand and bentonite modified with hydrophobic and hydrophilic polymers

H Ni, RD Fan, KR Reddy, YJ Du - Journal of Hazardous Materials, 2024 - Elsevier
A novel soil-bentonite backfill is proposed for use in vertical cutoff walls to contain phenol in
groundwater at contaminated sites. The backfill consists of sand and bentonite modified with …

Hydro-mechanical behavior and microstructure evolution of red clay-bentonite backfills

K Zhu, K Zhang, Y He - Applied Clay Science, 2023 - Elsevier
Soil-bentonite (SB) cutoff walls have been extensively used as vertical engineering barriers
to control groundwater flow and subsurface contaminant migration. As the pollution …

Workability, compressibility and hydraulic conductivity of zeolite-amended clayey soil/calcium-bentonite backfills for slurry-trench cutoff walls

YJ Du, RD Fan, SY Liu, KR Reddy, F Jin - Engineering Geology, 2015 - Elsevier
Soil–bentonite slurry-trench cutoff walls using backfill consisting of on-site sandy soil and Na-
bentonite are extensively used as engineering barriers for the purpose of achieving …

Impacts of presence of lead contamination in clayey soil–calcium bentonite cutoff wall backfills

YJ Du, RD Fan, KR Reddy, SY Liu, YL Yang - Applied Clay Science, 2015 - Elsevier
Previous studies have shown that clayey soil admixed with Ca-bentonite can be considered
as an alternative backfill for slurry-trench cutoff walls. However, the effects of contaminant …

Effect of polyanionic cellulose modification on properties and microstructure of calcium bentonite

FJ Shi, SJ Feng, QT Zheng, XL Zhang, HX Chen - Applied Clay Science, 2022 - Elsevier
Soil-bentonite slurry trench cutoff walls have been extensively used as engineered barriers
for contaminant containment. In some regions without appropriate sodium bentonite (NaB) …