2002
DOI: 10.1002/rem.10060
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Kinetics of biochemically driven metal precipitation in synthetic landfill leachate

Abstract: INTRODUCTIONOne of the most common groups of contaminants in landfill leachate is heavy metals such as mercury (Hg), chromium (Cr), nickel (Ni), zinc (Zn), copper (Cu), cadmium (Cd), lead (Pb), and iron (Fe). Temporal variations of heavy metal characteristics of typical leachate have been analyzed in several investigations (Ludvigsen et al., 1998;Syed & Walter, 1994;Christensen et al., 1994). Typical concentrations in municipal landfill leachate include (Cd 2 to 20 µg/l, Ni 100 to 400 µg/l, Zn 500 to 2,000 µg/… Show more

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Cited by 5 publications
(3 citation statements)
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“…SRB possess a natural capability to use sulfate as a terminal electron acceptor, which results in the degradation of organic matter under anaerobic conditions 39 . Several elementary reactions and series of processes are responsible for sulfate reduction, including the breakdown of complex organic molecules, as a result of various sulfate reactions with microbial metabolism 40 . Therefore, different sulfate concentrations resulting in a broad range of COD:SO 4 2− ratios (supporting information, Table S1) were used to evaluate FAB and SRB performance concerning VFA production along with CBZ, TOC and sulfate removal.…”
Section: Resultsmentioning
confidence: 99%
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“…SRB possess a natural capability to use sulfate as a terminal electron acceptor, which results in the degradation of organic matter under anaerobic conditions 39 . Several elementary reactions and series of processes are responsible for sulfate reduction, including the breakdown of complex organic molecules, as a result of various sulfate reactions with microbial metabolism 40 . Therefore, different sulfate concentrations resulting in a broad range of COD:SO 4 2− ratios (supporting information, Table S1) were used to evaluate FAB and SRB performance concerning VFA production along with CBZ, TOC and sulfate removal.…”
Section: Resultsmentioning
confidence: 99%
“…39 Several elementary reactions and series of processes are responsible for sulfate reduction, including the breakdown of complex organic molecules, as a result of various sulfate reactions with microbial metabolism. 40 Therefore, different sulfate concentrations resulting in a broad range of COD: SO 4…”
Section: Effect Of Cbz Loadingmentioning
confidence: 99%
“…d), υαλκϊπ και φεσδάογσοξπ καςαβσθίζξμςαι πξρξςικά, ςξ μικέλιξ καςαβσθίζεςαι ρε πξρξρςϊ >97% εμό ςξ 35% ςηπ αουικήπ ρσγκέμςοχρηπ διρθεμξϋπ ριδήοξσ παοαμέμει ρςξ οεϋμα ενϊδξσ (pH 5,6-5,7) ςξσ αμςιδοαρςήοα. (Jong et al, 2003;Samaranayake et al, 2002). Δκςϊπ απϊ ςημ σφηλϊςεοη διαλσςϊςηςα ςξσ FeS πξσ αμαγκάζει ςξ ρίδηοξ μα καςαβσθίζεςαι ςελεσςαίξπ, δερμεϋξμςαπ ςξ σπϊλξιπξ ςχμ διαθέριμχμ διαλελσμέμχμ θειξϋυχμ, η καςακοήμμιρη ςχμ θειξϋυχμ εμόρεχμ ςξσ διρθεμξϋπ ριδήοξσ πεοιξοίζεςαι και απϊ ςξ ρυεςικά υαμηλϊ pH ςξσ διαλϋμαςξπ, ϊπχπ αματέοθηκε και ρςημ εμϊςηςα 5.3.…”
Section: ποιμ ςημ αμάμινηunclassified