The Health Risk Assessment of Pb and Cr leachated from fly ash monolith landfill

Hung, Ming-Lung; Wu, Sheng-Yao; Chen, Yen-Chuan; Shih, Hsiu-Ching; Yu, Yue-Hwa; Ma, Hwong‐Wen

doi:10.1016/j.jhazmat.2009.07.013

Cited by 22 publications

(8 citation statements)

References 9 publications

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“…The prime concern of FA utilization in agriculture as a soil amendment is the potential leaching of heavy metals, especially when it is applied in a high rate (Carlson and Adriano 1993;Gangloff et al 1997;Adriano and Weber 2001;Huang et al 2009;Ram and Masto 2010) which may result in contamination of surface and ground water. Agricultural practices may influence the leaching of heavy metals from FA amended agricultural soil (Jala and Goyal 2006;Basu et al 2009).…”

Section: Risk Associated With Fly Ash Amendmentmentioning

confidence: 99%

“…Recently, Wang et al (2008) conducted column leaching experiments with FA, and reported that when FA containing column exposed to simulated acid rain, the concentrations of Ni, Co, As, Cd, Mo and U in leachate exceeded the permissible limits. Additionally, Sočo and Kalembkiewicz (2009) recently found that the mobility fraction of toxic Cr contain 8.2% of its total concentration in the fly ash and Huang et al (2009) indicated that Pb leaching from fly ash monolithic landfills may cause serious health risk. Additionally, Yunusa et al (2006) found that the leaching risk may risk may be higher for alkali-generating than for acidgenerating ashes.…”

Section: Risk Associated With Fly Ash Amendmentmentioning

confidence: 99%

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Coal fly ash utilization in agriculture: its potential benefits and risks

Singh

Gupta

Ibrahim

et al. 2010

Rev Environ Sci Biotechnol

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Over the past few decades there has been avid interest in developing the strategies for the utilization of Fly ash (FA). Major foci have been on its agricultural application. It is often economical to use FA as a soil amendment. The potential of FA as a resource material in agriculture is due to its specific physical properties like's texture, water holding capacity, bulk density, pH etc., and contains almost all the essential plant nutrients. It can be used as in soil that cannot substitute the chemical fertilizers or organic manure it can be used in combination with these to get additional benefits in terms of improvement in soil physical characteristics, increased yields etc. The amount and method of FA application in soil would vary with the type of soil, the crop, grown, the prevailing agro climatic condition and also with the FA characteristics. Although, as an input material FA has many benefits for agriculture applications like, improvement of nutrient deficiency, effectively control various pests infesting etc., in contrast FA also contains number of toxic heavy metals and also have natural radioactivity materials in it. Therefore, proper attention should be given on some important areas related to FA utilization such as long term studies of impact of FA on soil health, heavy metal uptake, plant physiology and growth, crop quality, and continuous monitoring on the soil characteristics. While using FA in agriculture problem of heavy metal toxicity and leaching due to excess dose should also be kept in mind.

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Section: Risk Associated With Fly Ash Amendmentmentioning

confidence: 99%

Section: Risk Associated With Fly Ash Amendmentmentioning

confidence: 99%

Coal fly ash utilization in agriculture: its potential benefits and risks

Singh

Gupta

Ibrahim

et al. 2010

Rev Environ Sci Biotechnol

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“…As a generally accepted method of health risk assessment, the non-carcinogenic risk assessment model recommended by Environmental Protection Agency of the United Nations (USEPA) has been widely used to assess health risks induced by the metals in various environments, including Cr, Mn, Zn and Fe in water wells of Saudi Arabia (Zabin et al 2008), Pb in leachate of ash monolithic landfills in Taiwan (Hung et al 2009) and Hg, Pb, Cd, Zn and Cu in foodstuff of an industrial area in China (Zheng et al 2007). Currently, most concerns focus on the quantitative detection of heavy metals in water and sediments of Yangtze River (Yang et al 2009;Zhang et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Non-carcinogenic risks induced by metals in drinking source water of Jiangsu Province, China

Ning

Xia

et al. 2010

Environ Monit Assess

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In this study, we investigated the levels of eight metallic elements in source water of 40 tap water treatment plants (TWTPs) located along Yangtze River, Taihu Lake and Huaihe River in the section of Jiangsu Province, China during 2007-2009 and assessed the non-carcinogenic risks induced by the metals. Among the metals, Fe had the highest concentration (121.5 μg L( - 1)) and Pb contributed most (32.4%) to the average hazard index (HI) of 40 TWTPs, followed by Cd (24.7%) and Cr (21.6%). The average concentration of each metal was below the permissible limit of China and USA except for Pb. Both hazard quotients of individual metals and HI of total non-carcinogenic risk in each TWTP were lower than 1.0, suggesting that these pollutants posed negligible hazards to public health of local residents. Temporal and spatial comparisons showed that high HIs occurred more frequently in low water seasons, and the three TWTPs located along Huaihe River (Dongtai, Jinhu and Yishuichang) had relatively higher HIs.

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“…concentrations of other metals like cadmium (Cd), chromium (Cr), nickel (Ni) and lead (Pb) are considered highly toxic for human and aquatic life [12].…”

Section: Introductionmentioning

confidence: 99%