Bioelectrochemical treatment of acid mine drainage (AMD) from an abandoned coal mine under aerobic condition

Peiravi, Meisam; Mote, Shekhar Raj; Mohanty, Manoj Kumar; Liu, Jia

doi:10.1016/j.jhazmat.2017.03.045

Cited by 55 publications

(27 citation statements)

References 19 publications

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“…In BESs organic matter is oxidized in the anodic chamber while dissolved metals may be simultaneously either reduced in the cathodic chamber or oxidized in the anodic chamber, with the potential of producing free energy [11][12][13][14]. BESs operate with zero or minimal external energy consumption, generate very little sludge and require minimal reactor maintenance [15][16][17][18]. Multiple metals including V(V), Cr(VI), As(III), Tl (I), Cd(II), Mn(II), Co(II), Ni(II) and Cu(II) [11][12]16,[19][20][21][22][23][24][25][26][27] and Cu(II), Co(II) and Li(I) [28][29][30][31][32].…”

Section: Introductionmentioning

confidence: 99%

“…BESs operate with zero or minimal external energy consumption, generate very little sludge and require minimal reactor maintenance [15][16][17][18]. Multiple metals including V(V), Cr(VI), As(III), Tl (I), Cd(II), Mn(II), Co(II), Ni(II) and Cu(II) [11][12]16,[19][20][21][22][23][24][25][26][27] and Cu(II), Co(II) and Li(I) [28][29][30][31][32]. The concept of using optimized MFC and MEC stacked BESs for the efficient deposition and separation of W(VI) and Mo(VI) from mixed aqueous solutions with simultaneous hydrogen production has been demonstrated in our recent study [10] using an initial pH of 2.0, a W(VI)/Mo(VI) molar ratio of 1 : 1 and a stainless steel sheet cathode electrode.…”

Section: Introductionmentioning

confidence: 99%

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Deposition and separation of W and Mo from aqueous solutions with simultaneous hydrogen production in stacked bioelectrochemical systems (BESs): Impact of heavy metals W(VI)/Mo(VI) molar ratio, initial pH and electrode material

Huang

Pan

et al. 2018

Journal of Hazardous Materials

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The deposition and separation of W and Mo from aqueous solutions with simultaneous hydrogen production was investigated in stacked bioelectrochemical systems (BESs) composed of microbial electrolysis cell (1#) serially connected with parallel connected microbial fuel cell (2#). The impact of W/Mo molar ratio (in the range 0.01 mM : 1 mM and vice-versa), initial pH (1.5 to 4.0) and cathode material (stainless steel mesh (SSM), carbon rod (CR) and titanium sheet (TS)) on the BES performance was systematically investigated. The concentration of Mo(VI) was more influential than W(VI) in determining the rate of deposition of both metals and the rate of hydrogen production. Complete metal recovery was achieved at equimolar W/Mo ratio of 0.05 mM : 0.05 mM. The rates of metal deposition and hydrogen production increased at acidic pH, with the fastest rates at pH 1.5. The morphology of the metal deposits and the valence of the Mo were correlated with W/Mo ratio and pH. CR cathodes (2#) coupled with SSM cathodes (1#) achieved a significant rate of hydrogen production (0.82 ± 0.04 m/m/d) with W and Mo deposition (0.049 ± 0.003 mmol/L/h and 0.140 ± 0.004 mmol/L/h (1#); 0.025 ± 0.001 mmol/L/h and 0.090 ± 0.006 mmol/L/h (2#)).

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Deposition and separation of W and Mo from aqueous solutions with simultaneous hydrogen production in stacked bioelectrochemical systems (BESs): Impact of heavy metals W(VI)/Mo(VI) molar ratio, initial pH and electrode material

Huang

Pan

et al. 2018

Journal of Hazardous Materials

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“…To minimize metal seepage, installation of a hard lining beneath the waste piles may help to reduce future effects on groundwater and soil. For decontamination of groundwater and soil, a bioelectrochemical system (BES) is recommended, which provides both oxidation and reduction reactions for maximum removal of metals from groundwater (Peiravi et al, 2017). However, other sources of groundwater contamination on the flood plains and downstream areas require more research to determine appropriate solutions.…”

Section: Seawater Intrusion and Groundwater Contaminationmentioning

confidence: 99%

Current status and management for the sustainable groundwater resources in Korea

Lee¹,

Raza²,

Park³

2018

Episodes

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This study discusses various issues and possible solutions related to groundwater resource and water quality in Korea. Groundwater is an important water resource in Korea, accounting for approximately 13% of the total annual domestic, agricultural, and industrial water supplies. From 1996 to 2014, groundwater usage increased by 45% while the number of wells increased by 102%. However, repeated occurrences of Foot and Mouth Disease and Avian Influenza led to nationwide mass burials of livestock and major effect of groundwater contamination. In coastal areas, anthropogenic activities were considered as the cause of seawater intrusion near the shore and far (7,000 m) from the coast. Thousands of abandoned metal mines and unregulated mining wastes have serious environmental effects in Korea; crop cultivation in metal contaminated soil and irrigation using metal contaminated water negatively affect human health. Moreover, urbanization is a major source of groundwater contamination due to intensified industrial activities. The Korean government has made major efforts to deal with the groundwater issues, including implementation of the Groundwater Act in 1996. Since then, various national monitoring systems have been established to examine changes in groundwater quality and quantity. Additional recent important groundwater quality issues need attention and must be resolved to ensure groundwater safety in Korea.

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“…These models were based on the combination of resistances, capacitances, and other elements that should have a physical meaning, related to the electrochemical response of the system [46,49]. In this work, two equivalent electrical circuit models were used, which are presented in Figure 4.…”

Section: Slika 1 Potencijal Otvorenog Kola U Odnosu Na Vreme Za Uzormentioning

confidence: 99%

Investigation the effects of Na2MoO4 as an inhibitor on electrochemical corrosion behavior of 316L stainless steel in LiBr solution

Zolfaghari¹,

Baboukani²,

Ashrafi³

et al. 2018

Zaštita materijala

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Bioelectrochemical treatment of acid mine drainage (AMD) from an abandoned coal mine under aerobic condition

Cited by 55 publications

References 19 publications

Deposition and separation of W and Mo from aqueous solutions with simultaneous hydrogen production in stacked bioelectrochemical systems (BESs): Impact of heavy metals W(VI)/Mo(VI) molar ratio, initial pH and electrode material

Deposition and separation of W and Mo from aqueous solutions with simultaneous hydrogen production in stacked bioelectrochemical systems (BESs): Impact of heavy metals W(VI)/Mo(VI) molar ratio, initial pH and electrode material

Current status and management for the sustainable groundwater resources in Korea

Investigation the effects of Na2MoO4 as an inhibitor on electrochemical corrosion behavior of 316L stainless steel in LiBr solution

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