Establishing indices for groundwater contamination risk assessment in the vicinity of hazardous waste landfills in China

Li, Ying; Li, Jinhui; Chen, Shusheng; Diao, Weihua

doi:10.1016/j.envpol.2011.12.042

Cited by 81 publications

(47 citation statements)

References 110 publications

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“…It is estimated that more than 9 million tons of dried MSS in China were generated per year with an annual increase rate of 8-10 %, while the output hazardous wastes has reached 15.87 million tons in 2011 and is rapidly increasing nowadays (Li et al 2012, Xiao et al 2015. Consequently, the timely and effective disposal of these two wastes has become a severe environmental issue.…”

Section: Introductionmentioning

confidence: 97%

The partitioning behavior of trace element and its distribution in the surrounding soil of a cement plant integrated utilization of hazardous wastes

Yang

Sun

Liu

et al. 2016

Environ Sci Pollut Res

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In the present study, the trace elements partitioning behavior during cement manufacture process were systemically investigated as well as their distribution behaviors in the soil surrounding a cement plant using hazardous waste as raw materials. In addition to the experimental analysis, the thermodynamic equilibrium calculations were simultaneously conducted. The results demonstrate that in the industrial-scale cement manufacture process, the trace elements can be classified into three groups according to their releasing behaviors. Hg is recognized as a highly volatile element, which almost totally partitions into the vapor phase. Co, Cu, Mn, V, and Cr are considered to be non-volatile elements, which are largely incorporated into the clinker. Meanwhile, Cd, Ba, As, Ni, Pb, and Zn can be classified into semi-volatile elements, as they are trapped into clinker to various degrees. Furthermore, the trace elements emitted into the flue gas can be adsorbed onto the fine particles, transport and deposit in the soil, and it is clarified here that the soil around the cement plant is moderately polluted by Cd, slightly polluted by As, Cr, Ba, Zn, yet rarely influenced by Co, Mn, Ni, Cu, Hg, and V elements. It was also estimated that the addition of wastes can efficiently reduce the consumption of raw materials and energy. The deciphered results can thus provide important insights for estimating the environmental impacts of the cement plant on its surroundings by utilizing wastes as raw materials.

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Section: Introductionmentioning

confidence: 97%

The partitioning behavior of trace element and its distribution in the surrounding soil of a cement plant integrated utilization of hazardous wastes

Yang

Sun

Liu

et al. 2016

Environ Sci Pollut Res

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“…It has been found that biological pollutants are degraded mainly in the aeration zone (Bedient et al 1983). Unfortunately, remaining pollutants contained in leachates that migrate to underground water saturation zone cause not just water pollution but may also migrate considerable distance, often many kilometres (Li et al 2012, Szymański and Siebielska 2000, Szymański et al 2007, Reyes--López et al 2008, Szymański and Nowak 2012.…”

Section: Introductionmentioning

confidence: 99%

“…The migration process analysis is limited mostly to convectional movement of pollutants taking into account in calculations diffusion movement (molecular diffusion and hydrodynamic dispersion) for various variants of the hydrodynamic fi eld. Introduction of biochemical, physical and chemical factors to the analysis makes the solutions so complicated that they often are unfi t for practical application (Koda et al 2009, Thornton et al 2000, Rosqvist and Destouni 2000, Nayak et al 2007, Varank et al 2011, Li et al 2012.…”

Section: Introductionmentioning

confidence: 99%

Migration of pollutants in porous soil environment

Szymański¹,

Janowska²

2016

Archives of Environmental Protection

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Abstract:Landfi ll leachate makes a potential source of ground water pollution. Municipal waste landfi ll substratum can be used for removal of pollutants from leachate. Model research was performed with use of a sand bed and artifi cially prepared leachates. Effectiveness of fi ltration in a bed of specifi c thickness was assessed based on the total solids content. Result of the model research indicated that the mass of pollutants contained in leachate fi ltered by a layer of porous soil (m f ) depends on the mass of pollutants supplied (m d ). Determined regression functions indicate agreement with empirical values of variable m′ f . The determined regression functions allow for qualitative and quantitative assessment of infl uence of the analysed independent variables (m′ d , l, ω) on values of mass of pollutants fl owing from the medium sand layer. Results of this research can be used to forecast the level of pollution of soil and underground waters lying in the zone of potential impact of municipal waste landfi ll.

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“…Therefore, it is necessary to compose an assessment index system based on a series of indices to reflect the inherent features comprehensively (He and Wu 2011, Li et al 2012Seyed et al 2012;Hao 2013). The indices are both internally connected and classified.…”

Section: A Risk Assessment Index Systemmentioning

confidence: 99%

Risk assessment of hydropower stations through an integrated fuzzy entropy-weight multiple criteria decision making method: A case study of the Xiangxi River

Huang

Sun

2015

Expert Systems with Applications

138

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Establishing indices for groundwater contamination risk assessment in the vicinity of hazardous waste landfills in China

Cited by 81 publications

References 110 publications

The partitioning behavior of trace element and its distribution in the surrounding soil of a cement plant integrated utilization of hazardous wastes

The partitioning behavior of trace element and its distribution in the surrounding soil of a cement plant integrated utilization of hazardous wastes

Migration of pollutants in porous soil environment

Risk assessment of hydropower stations through an integrated fuzzy entropy-weight multiple criteria decision making method: A case study of the Xiangxi River

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