Distribution and mobility of Cr in tannery waste amended semi-arid soils under simulated rainfall

Aceves, M.; Santos, H. Estrada; Berber, José Donaldo Ríos; Mota, José Luis Oropeza; Vázquez, Refugio Rodríguez

doi:10.1016/j.jhazmat.2009.06.087

Cited by 15 publications

(14 citation statements)

References 31 publications

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“…Industrial effluents are also important sources of heavy metals in sludge because the concentrations of some heavy metals in industrial effluents are usually extremely high. An example is the Cr concentration in tannery effluent, which leads to high Cr concentrations in sludge produced from the effluent (Aceves et al, 2009;Araujo et al, 2015;Lag-Brotons et al, 2014). The authorities responsible need to be concerned about heavy metal concentrations in sludge, especially when sludge is recycled to soil as an organic fertilizer.…”

Section: Effects Of Sludge Amendment On Heavy Metal Concentrations Inmentioning

confidence: 99%

Achilles heel of environmental risk from recycling of sludge to soil as amendment: A summary in recent ten years (2007–2016)

Liu

2016

Waste Management

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a b s t r a c tRecycling sludge as a soil amendment has both positive and negative effects because of its enrichment in both nutrients and contaminants. So far, the negative effect has to be extensively investigated that the severities of different types of contaminants also remain unclear. The environmental behavior and risk of organic contaminant and pharmaceuticals, heavy metal and salt as well as pathogenic microorganisms brought by sludge amendment are summarized and discussed here. Organic contaminants and pharmaceuticals are typically found at low concentrations in sludge, the risks from sludge-amended soil decrease over time owing to its biodegradability. On the other hand, application of sludge generally increases soil salinity, which may cause physiological damage to plants grown in sludge-amended soil. In some extent, this negative effect can be alleviated by means of dilution; however, greater attention should be paid to long term increasing possible risk of eutrophication. Heavy metal (particularly of mobile heavy metals, such as Cd) with high concentrations in sludge and soil receiving considerable sludge can cause its incremental abundance in soil and crop contamination, further posing risks to humans, but most cases showed that there remained not excessive in heavy metal caused by sludge amendment. It is worth noting that increasing soil organic matter content may reduce transfer of heavy metal from soil to crops, but not restrict its uptake by crops at all. Combined literature together, it is summarized that heavy metal becomes a relatively severe bottleneck in recycling of sludge as soil amendment due to its nonbiodegradability and potential damage to health by adventuring contamination from agricultural products. Particular attention should therefore be paid to long term monitoring the change of heavy metals concentration in sludge amended soil.

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Section: Effects Of Sludge Amendment On Heavy Metal Concentrations Inmentioning

confidence: 99%

Achilles heel of environmental risk from recycling of sludge to soil as amendment: A summary in recent ten years (2007–2016)

Liu

2016

Waste Management

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“…Based on mean values, heavy metals in soil samples follow the declining concentration order: Cr > Fe > Ni > Cd > Co > Pb > Zn > Mn. Chromium and other heavy metals exhibited higher concentration than the generally expected level in soil giving rise to concerns over suitability of soil for agricultural use in the study area [6][7][8]. The heavy metal distribution in the soil samples did not follow normal distribution since the data have high degree of standard deviation, average absolute deviation, and skewness.…”

Section: Heavy Metal Concentrations In Soilsmentioning

confidence: 99%

“…Heavy metal contamination of soil due to tannery waste is a worldwide problem [6][7][8]. Many chemicals, such as NaCl, H 2 SO 4 , Ca(OH) 2 , and Cr 2 (SO 4 ) 3 , are extensively used during leather processing.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Heavy Metal Contamination in Soil and Groundwater at Leather Industrial Area of Kasur, Pakistan

Afzal

Shabir

Iqbal

et al. 2013

CLEAN Soil Air Water

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Heavy metal contamination of soil and water caused by industrialization has become a major environmental issue in Pakistan. Therefore, it is important to determine the level of contamination of soil and water close to industrial areas. In the current study, we have assessed the heavy metal contamination of soil and groundwater at the leather industrial area of Kasur, Pakistan. Soil and groundwater samples were collected from the study area and analyzed for Cr, Fe, Ni, Cd, Pb, Zn, Co, and Mn by atomic absorption spectrophotometric method. The data revealed that soil and groundwater in the study area are highly contaminated with all tested heavy metals. In particular, chromium concentrations varied from 1970 to 2980 mg kg−1 and 0.82 to 2.25 mg L−1 in soil and groundwater, respectively. Correlation analysis has identified that the heavy metals in the groundwater and soil of the study area having a common source/origin, believed to be the leather industry of Kasur.

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“…1). For the changes of complicated components with the location site in real rain, not the real rainfall but the DDI water or tag water was preferred to choose as the simulated rainfall in many studies [22][23][24][25]. Referring to the design of Kaschl et al [22], deionized distilled water was used as the simulated rain in the leaching experiment, with pH 6.5 and 1.07 s/cm of electric conductivity (EC).…”

Section: The Leaching Experimentsmentioning

confidence: 99%

Transfer of heavy metals from compost to red soil and groundwater under simulated rainfall conditions

Chen

Zeng

et al. 2010

Journal of Hazardous Materials

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Distribution and mobility of Cr in tannery waste amended semi-arid soils under simulated rainfall

Cited by 15 publications

References 31 publications

Achilles heel of environmental risk from recycling of sludge to soil as amendment: A summary in recent ten years (2007–2016)

Achilles heel of environmental risk from recycling of sludge to soil as amendment: A summary in recent ten years (2007–2016)

Assessment of Heavy Metal Contamination in Soil and Groundwater at Leather Industrial Area of Kasur, Pakistan

Transfer of heavy metals from compost to red soil and groundwater under simulated rainfall conditions

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