Zinc accumulates in groundwater from mining operation and discarded batteries and poses a threat to environmental safety and human health. Activated carbon (AC), is an affordable media of permeable reactive barrier (PRB) for the in-situ zinc remediation. In this study, column breakthrough tests with spectral induced polarization technique monitoring, coupled with microscopic analyses, were utilized to investigate the zinc retention behaviors in activated carbon PRB.
View Article and Find Full Text PDFJ Hazard Mater
September 2025
Pyrite within waste rock piles generates acid mine drainage upon precipitation, posing a significant environmental risk. In this study, spectral induced polarization (SIP) technique was employed at the field scale to delineate the contaminant source in a 25 m-long waste rock pile site (117.76°E, 28.
View Article and Find Full Text PDFThe municipal solid waste (MSW) management is significantly contributing to global greenhouse gas (GHG) emissions. Analyzing the emission pattern of GHGs from MSW is essential for formulating appropriate carbon mitigation policies. Based on IPCC Models, GHG emissions from MSW were calculated in Chinese provinces from 2004 to 2021 by landfilling and incineration operations, separately.
View Article and Find Full Text PDFCompared to traditional lead-remediating materials, natural-occurring paleosol is ubiquitous and could be a promising alternative due to its rich content in calcite, a substance known for its lead-removal ability via carbonate dissolution-PbCO precipitation process. Yet, the capability of paleosol to remediate aqueous solutions polluted with heavy metals, lead included, has rarely been assessed. To fill this gap, a series of column permeation experiments with influent Pb concentrations of 2000, 200, and 20 mg/L were conducted and monitored by the spectral induced polarization technique.
View Article and Find Full Text PDFCopper contaminant generated from mining and industrial smelting poses potential risks to human health. Biochar, as a low-energy and cost-effective biomaterial, holds value in Cu remediation. Spectral Induced Polarization (SIP) technique is employed in this study to monitor the Cu remediation processes of by biochar in column experiments.
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