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Jiju Guo, Wengeng Cao, Guohui Lang, Qifa Sun, Tian Nan, Xiangzhi Li, Yu Ren and Zeyan Li
The presence of high concentrations of geogenic arsenic (As) in groundwater poses a serious threat to the health of millions of individuals globally. This paper examines the research progress of groundwater with high concentrations of geogenic As through...
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Mingyu Xie, Xiaoran Zhang, Yuanyuan Jing, Xinyue Du, Ziyang Zhang and Chaohong Tan
Groundwater is an important part of the water resources, crucial for human production and life. With the rapid development of industry and agriculture, organic pollution of groundwater has attracted great attention. Enhanced in-situ bioremediation of gro...
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Junyi Chen, Chao Zhang, Yun Liu, Jie Tian and Jianbo Guo
Preventing the rebound of black and odorous water bodies is critical for improving the ecological environment of water bodies. This study examined the effect and underlying mechanism of in-situ improvement of the sediment microenvironment by nitrate in t...
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Christos Tsabaris, Dionisis L. Patiris, Rosalinda Adams, Julian Castillo, Maria F. Henriquez, Caroline Hurtado, Lesley Munoz, Leonidas Kalpaxis, Mariana Verri, Stylianos Alexakis, Filothei K. Pappa and Angelos Lampousis
In recent years, the environmental effects of both active and legacy mining activity have motivated many research groups worldwide through the use of a variety of methods that have been conducted among diverse environments. In this study, we measured rad...
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Ryan G. Tigera, Whitney L. Benson and David C. Mays
In situ groundwater remediation often calls for a chemical or biological amendment to be injected as an aqueous solution into a contaminated groundwater aquifer. Accordingly, remediation depends on mixing the amendment into the contaminated groundwater, ...
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Min Zhang, Shuai Yang, Zhifei Zhang, Caijuan Guo, Yan Xie, Xinzhe Wang, Lin Sun and Zhuo Ning
Millions of contaminated sites worldwide need to be remediated to protect the environment and human health. Although numerous remediation technologies have been developed, selecting optimal technologies is challenging. Several multiple criteria decision-...
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Igor Karlovic, Tamara Markovic, Andrew C. Smith and Kre?imir Maldini
Gravel pits are considered potentially hazardous in terms of groundwater quality protection as they represent an open part of the aquifer system, increasing the aquifer?s vulnerability to contamination from the surface. The aim of this research was to de...
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Fuxin Zheng, Yanguo Teng, Yuanzheng Zhai, Jingdan Hu, Junfeng Dou and Rui Zuo
Since the 1990s, sandstone-type uranium in the northern basin of China has become the main target for mining. Uranium mining can cause a series of impacts on the environment. A conceptual model of the geo-environment for sandstone-type uranium in norther...
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Shuai Zhang and Xu-Sheng Wang
As a widely employed method for in situ remediation of groundwater contamination, the pump-and-treat (PAT) system involves the management of water recirculation between the extraction and injection wells. The recirculation zone (RZ) of an extraction-inje...
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Maximilian Lackner, Thomas Hribernig, Markus Lutz, Markus Plank and Karl Putz
A novel technique for the in situ removal of mineral hydrocarbons from aged brownfields is described. The approach uses emulsions of plant oil (5?10%, rapeseed) in water, which were found to extract 50?85% of mineral hydrocarbons in one leaching step fro...
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