Simulation of the migration path of the maximum pollutants' concentration. Case study of the tailing pond, southwest China

• Autorzy: Zhang Jing , Ma Yong , Xing Bing , Zhang Jian-Min , Ren Yu-Feng , Liang Yue

Identyfikatory

DOI

10.37190/epe220205

• Języki publikacji: EN

Abstrakty

EN

Following China's economic development, lots of tailing deposits have become potential pollution sources, and their leaching would release the trace elements into the natural environment. The leakage rate model and the solute transport models of groundwater are coupled to investigate the effects of the tailing ponds on groundwater. It indicates that the anti-seepage layer is a necessary and important component of the tailing ponds, which could protect the soil or groundwater to be polluted by wastewater. Under three scenarios (scenario A - ideal conditions, scenario B - the worst conditions, and scenario C), the proportions of maximum concentration to source concentration are 1.2, 94.6, and 19.1%, respectively. Under the worst states of anti-seepage layers, the pollution areas after 730, 1800, 3807 and 7300 days were 130 500, 313 200, 523 800, and 729 000 m², respectively. Compared with Scenario B, the pollution areas of Scenario C after 1800, 3807, and 7300 days were cut by 52.97, 74.55, and 81.73, respectively. Given important anti-seepage layers, the tracking monitor system is necessary and important to discover whether the groundwater was contaminated in time.

Słowa kluczowe

EN

groundwater; tailing pond; zinc mine; lead mine; ground contamination

PL

woda gruntowa; staw osadowy; kopalnia cynku; kopalnia ołowiu; zanieczyszczenie gruntu

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2022
• Tom: Vol. 48, nr 2
• Strony: 59--72
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Zhang Jing

• College of Ho Hai, Chong Qing Jiao Tong University, Chong Qing, 400074, PR China

• https://orcid.org/0000-0001-7646-8492

autor

Ma Yong

• College of Ho Hai, Chong Qing Jiao Tong University, Chong Qing, 400074, PR China

• https://orcid.org/0000-0002-9675-2498

autor

Xing Bing

• College of Ho Hai, Chong Qing Jiao Tong University, Chong Qing, 400074, PR China

• https://orcid.org/0000-0002-8596-9034

autor

Zhang Jian-Min

• State Key Laboratory of Hydraulics & Mountain River Engineering, Sichuan University, Chengdu, 610065, P.R. China

• https://orcid.org/0000-0002-9154-231X

autor

Ren Yu-Feng

• China Three Gorges Corporation, Yicang, 430010 PR China

• https://orcid.org/0000-0001-9617-6542

autor

Liang Yue

• College of Ho Hai, Chong Qing Jiao Tong University, Chong Qing, 400074, PR China

• https://orcid.org/0000-0001-5266-7905

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