Impact assessment of chromite mining on groundwater through simulation modeling study in Sukinda chromite mining area, Orissa, India

Dhakate, Ratnakar; Singh, V. S.; Hodlur, G. K.

doi:10.1016/j.jhazmat.2008.03.053

Cited by 56 publications

(16 citation statements)

References 20 publications

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“…The present findings of the soluble metal content analysis of seepage water from chromite mines in Sukinda Valley (Table 1), corroborate those of Godgul and Sahu (1995) [1] and Dhakate and Singh (2008) [22]. On the contrary, seepage water from chromite mines in BaulaNuasahi areas were apparently free from Cr(VI) contamination.…”

Section: Discussionsupporting

confidence: 86%

Occurrence and Evaluation of Chromium Reducing Bacteria in Seepage Water from Chromite Mine Quarries of Orissa, India

Dey¹,

Paul²

2010

JWARP

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Chromium pollution due to leaching and weathering of chromite mine overburden in mine seepage water is a serious environmental problem. In an attempt to explore the indigenous chromate resistant and reducing bacteria from chromite mine quarry seepage, 145 aerobic, heterotrophic bacteria were isolated from 14 mine seepage samples derived from chromite mines of Sukinda valley and Baula-Nuasahi belt in Orissa, India. A total of 109 isolates which were tolerant to 2 mM Cr(VI) showed different degrees of Cr(VI) reducing activity in complex KSC medium and synthetic Vogel Bonner (VB) broth. Ten isolates belonging to genera like Pseudomonas, Acinetobacter, Alcaligenes, Cupriavidus and Corynebacterium were selected on the basis of their chromate reducing efficiency and it was found that they could reduce more than 50 and 75% of Cr(VI) in VB broth and KSC medium respectively. The sole Gram-positive isolate, Corynebacterium paurometabolum SKPD 1204 (MTCC 8730) showed maximum chromate reducing capacity in both VB broth (63.7%) and KSC medium (92%) and was capable of reducing nearly 95% of the total Cr(VI) in the mine seepage when it was grown in the mine seepage supplemented with 2% VB concentrate.

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Section: Discussionsupporting

confidence: 86%

Occurrence and Evaluation of Chromium Reducing Bacteria in Seepage Water from Chromite Mine Quarries of Orissa, India

Dey¹,

Paul²

2010

JWARP

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“…Mafic and ultramafic rocks are responsible for HM enrichment, like Cr and Ni, in different components of ecosystem and hence resulted in the environmental degradation (Desideri et al, 2010;Dhakate et al, 2008;Muhammad et al, 2010Muhammad et al, , 2011aYang et al, 2011). Further, HM may contaminate drinking and irrigation water (Krishna et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Health risk assessment via surface water and sub-surface water consumption in the mafic and ultramafic terrain, Mohmand agency, northern Pakistan

Shah

Ara

Muhammad

et al. 2012

Journal of Geochemical Exploration

159

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“…Moreover, the key factor in protecting underground latent water resources is the thickness of the weathered bedrock located immediately below the aquifer [16][17][18][19][20]. Mining activities can cause not only surface and subsurface water loss but also chemical, trace metal, and microbiological pollution of surface and subsurface water [21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Factors Influencing Stability of Overlying Soil Layer on Thin Bedrock Based on Crack Development-Closure Test

Bai

et al. 2019

Advances in Civil Engineering

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The water-blocking properties of the clay layer at the bottom of the Cenozoic overburden in China are an important factor influencing the safety of thin bedrock coal seam mining. Clay has remolding properties that are unlike the nonreversible characteristics of cracks in brittle rock, and failure cracks in clay can reclose or continue to expand under the influence of different external factors. In this work, the soil layer on top of thin bedrock is the research object, and the influences of the particle composition, water content, soil layer thickness, and crack width on the crack development-closure state of soil layer are analyzed by the orthogonal test method. Visual analysis shows that the order of influence of each factor on the stability of soil layer is the crack width, particle composition, soil layer thickness, and water content. The stability of soil layer decreases with increasing crack width and sand content and decreasing soil layer thickness; in addition, soil layer stability decreases first and then increases with increasing water content. Further variance analysis shows that the crack width and particle composition are key factors that impact the stability of soil layer and that the soil layer thickness has some influence, while the water content has little effect on the stability of soil layer. In addition, the crack will reclose when the sand content in soil is less than 50% and the crack width is less than or equal to 1.0 mm, and the soil layer is prone to further failure when the sand content in soil is more than 50% and the crack width is greater than or equal to 3.0 mm; when the soil layer thickness is 15.0 cm, its stability is better than when the soil layer thickness is 10.0 cm or 5.0 cm.

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Impact assessment of chromite mining on groundwater through simulation modeling study in Sukinda chromite mining area, Orissa, India

Cited by 56 publications

References 20 publications

Occurrence and Evaluation of Chromium Reducing Bacteria in Seepage Water from Chromite Mine Quarries of Orissa, India

Occurrence and Evaluation of Chromium Reducing Bacteria in Seepage Water from Chromite Mine Quarries of Orissa, India

Health risk assessment via surface water and sub-surface water consumption in the mafic and ultramafic terrain, Mohmand agency, northern Pakistan

Analysis of Factors Influencing Stability of Overlying Soil Layer on Thin Bedrock Based on Crack Development-Closure Test

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