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231224s2016 xx |||||o 00| ||eng c |
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|a 10.2175/106143016X14504669768813
|2 doi
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|e rakwb
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|a eng
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1 |
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|a Wenke, Axel
|e verfasserin
|4 aut
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|a Potential of Brass to Remove Inorganic Hg(II) from Aqueous Solution through Amalgamation
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 09.08.2016
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|a Date Revised 26.05.2016
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|a published: Print
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|a Citation Status MEDLINE
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|a Brass shavings (CuZn45) were tested for their efficiency to remove Hg(II) from contaminated groundwater through amalgamation. The study was focused on long-term retention efficiency, the understanding of the amalgamation process and kinetics, and influences of filter surface alteration. Column tests were performed with brass filters (thickness 3 to 9 cm) flushed with 1000 μg/L Hg solution for 8 hours under different flow rates (300 to 600 mL/h). Brass filters consistently removed >98% of Hg from solution independent of filter thickness and flow rate. In a long-term experiment (filter thickness 2 cm), Hg retention decreased from 96 to 92% within 2000 hours. Batch and column experiments for studying kinetics of Hg removal indicate ~100% Hg removal from solution within only 2 hours. Solid-phase mercury thermo-desorption analysis revealed that Hg(0) diffusion into the brass surface controls kinetics of mercury retention. Brass surface alteration could be observed, but did not influence Hg retention
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Water Pollutants, Chemical
|2 NLM
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|a brass
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|a Mercury
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|a Bollen, Anne
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|a Richard, Jan-Helge
|e verfasserin
|4 aut
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|a Biester, Harald
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 88(2016), 6 vom: 25. Juni, Seite 531-9
|w (DE-627)NLM098214292
|x 1061-4303
|7 nnns
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| 773 |
1 |
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|g volume:88
|g year:2016
|g number:6
|g day:25
|g month:06
|g pages:531-9
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|u http://dx.doi.org/10.2175/106143016X14504669768813
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