2022
DOI: 10.3390/ijerph192013079
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Health Risk Assessment during In Situ Remediation of Cr(VI)-Contaminated Groundwater by Permeable Reactive Barriers: A Field-Scale Study

Abstract: The presence of residual Cr(VI) in soils causes groundwater contamination in aquifers, affecting the health of exposed populations. Initially, permeable reactive barriers(PRB) effectively removed Cr(VI) from groundwater. However, as PRB clogging increased and Cr(VI) was released from upstream soils, the contamination plume continued to spread downstream. By 2020, the level of contamination in the downstream was nearly identical to that in the upstream. The study results show that during normal operation, the P… Show more

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Cited by 16 publications
(4 citation statements)
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“…Chemicals and microbial contamination frequently challenge water safety [9][10][11]. Groundwater has taken over as the primary water supply; it is the preferred sole source, particularly in arid and semi-arid regions where precipitation is inadequate and surface water resources are lacking [12][13][14][15][16][17]; also, waste material including sewage sludge on soil can increase crop production but contaminate groundwater [18][19][20][21][22][23][24][25].…”
Section: Introductionmentioning
confidence: 99%
“…Chemicals and microbial contamination frequently challenge water safety [9][10][11]. Groundwater has taken over as the primary water supply; it is the preferred sole source, particularly in arid and semi-arid regions where precipitation is inadequate and surface water resources are lacking [12][13][14][15][16][17]; also, waste material including sewage sludge on soil can increase crop production but contaminate groundwater [18][19][20][21][22][23][24][25].…”
Section: Introductionmentioning
confidence: 99%
“…Cd is metabolized very slowly in the human body and tends to accumulate in the body, which can be harmful [7,8] and cause cancer and cardiovascular diseases [9][10][11]. Chromium is one of the essential trace elements, but excessive intake can cause serious damage to the lungs, kidneys, liver, stomach, skin, and eyes and even cause cancer [12,13]. Arsenic is a metalloid, but its toxicity is similar to that of HMs, and its long-term accumulation in the body can lead to hypertension, diabetes, cardiovascular disease, skin lesions, and premature births and can cause cancer [14,15].…”
Section: Introductionmentioning
confidence: 99%
“…Evaluating groundwater quality is essential to conserving the ecological environment and forms the basis of the sustainable use of local groundwater resources [8][9][10]. Chemical and microbiological pollution in groundwater regularly threatens its quality [11][12][13][14]. Nitrate (NO 3 − ) is a global contaminant in groundwater and prolonged use of NO 3 − -contaminated groundwater can cause a blue baby syndrome in infants, while contaminated groundwater due to heavy metal can cause cancer in the lungs, liver, kidneys, bladder, and skin [15,16].…”
Section: Introductionmentioning
confidence: 99%