Burden of Disease from Soil and Groundwater Contamination

Gibson, Jacqueline MacDonald; Brammer, Angela S.; Davidson, Christopher A.; Folley, Tiina; Launay, Frédéric; Thomsen, Jens T. W.

doi:10.1007/978-94-007-5925-1_10

Cited by 1 publication

(2 citation statements)

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“…[17][18][19] Note that PTA wastewater is a threat to groundwater. The harmful substances in PTA wastewater can reach groundwater through land application of sewage sludge, leakage from industrial facilities, uncontrolled leachate from landlls, or wastewater irrigation.…”

Section: Introductionmentioning

confidence: 99%

“…The harmful substances in PTA wastewater can reach groundwater through land application of sewage sludge, leakage from industrial facilities, uncontrolled leachate from landlls, or wastewater irrigation. [17][18][19] Note that PTA wastewater is a threat to groundwater. In current studies, experiments have been focused on the detection methods for PTA and degradation treatment of PTA wastewater, but no one has studied the harmful substances in PTA wastewater transport in the vadose zone.…”

Section: Introductionmentioning

confidence: 99%

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Experimental and modeling study of pure terephthalic acid (PTA) wastewater transport in the vadose zone

Wang

Liu

Pei

et al. 2015

Environ. Sci.: Processes Impacts

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PTA wastewater discharged from a factory was selected as the research object in this project and CODcr was selected as the characteristic pollution factor. Static adsorption and soil column leaching experiments of silty clay and clayey soil were carried out to study the adsorption, bio-degradation and dispersion coefficient of CODcr in PTA wastewater. Hydrus-1D was used to build the convection-diffusion model to demonstrate the migration of PTA wastewater in the vadose zone. The results indicate that silty clay and clayey soil in the vadose zone can adsorb, degrade and impede the contaminants in PTA wastewater; however, the coefficient of adsorption and degradation were very low, they were down to 0.0002 L g(-1), 0.0003 L g(-1) and 0.0097 d(-1), 0.0077 d(-1) for silty clay and clayey soil, respectively. Under the virtual condition that, wastewater in the sewage pool is 5 m deep, CODcr concentration is 4000 mg L(-1), vadose zone is 21 m, PTA wastewater will reach the phreatic surface after 20.87 years. When wastewater in the sewage pool is 7 m with other conditions unchanged, after 17.18 years PTA wastewater will reach groundwater. The results show that there is a higher pollution risk for groundwater if we do not take any anti-seepage measures.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%