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  SURFTRAP - Development and Optimisation of a Process to Biosynthesize Reactive Iron Mineral Surfaces for Water Treatment Purposes

Peiffer, S., Paikaray, S., Damian, C., Janneck, E., Ehinger, S., Martin, M., Schlömann, M., Wiacek, C., Kipry, J., Schmahl, W., Pentcheva, R., Otte, K., Götz, A., Wang, Z., Hsieh, K., Meyer, J., Schöne, G., Koch, T., Ziegler, A., Burghardt, D. (2010): SURFTRAP - Development and Optimisation of a Process to Biosynthesize Reactive Iron Mineral Surfaces for Water Treatment Purposes. - In: Münch, U., Dransch, W. (Eds.), (GEOTECHNOLOGIEN Science Report ; 16), 154-169.
https://doi.org/10.2312/GFZ.gt.16.11

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_42028 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_42028_5
Genre: Conference Paper

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http://gfzpublic.gfz-potsdam.de/pubman/item/escidoc:42034 (Publisher version)
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Gesamtausgabe GEOTECHNOLOGIEN Science Report No. 16

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 Creators:
Peiffer, S.1, Author
Paikaray, S.1, Author
Damian, C.1, Author
Janneck, E.1, Author
Ehinger, S.1, Author
Martin, M.1, Author
Schlömann, M.1, Author
Wiacek, C.1, Author
Kipry, J.1, Author
Schmahl, W.1, Author
Pentcheva, R.1, Author
Otte, K.1, Author
Götz, A.1, Author
Wang, Z.1, Author
Hsieh, K.1, Author
Meyer, J.1, Author
Schöne, G.1, Author
Koch, T.1, Author
Ziegler, A.1, Author
Burghardt, D.1, Author
Affiliations:
1Mineral Surfaces - From Atomic Processes to Industrial Application : GEOTECHNOLOGIEN Science Report 16, GEOTECHNOLOGIEN Science Report, External Organizations, ou_28024              

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 Abstract: In this project we aim to develop a low-cost technology to remove ionic constituents from raw waters such as arsenic species. The proposed technology is based on the reactivity of schwertmannite, an oxyhydroxosulfate of the mean stochiometry Fe8O8(OH)6SO4 (molar mass 772.89 g/mol). This mineral typically forms in acidic and sulfate rich mine waters as a secondary mineral upon oxidation of Fe(II) in a biologically mediated process. Schwertmannite can be generated in a biotechnological process after aeration of mining process waters. It forms surface-rich aggregates of needle-like nanocrystals. It rapidly transforms into ferric hydroxides of high specific surface area once exposed to water containing at least some alkalinity. Our rationale follows the concept to make use of this transformation reaction by adding biosynthesized schwertmannite to contaminated raw waters where it generates a large sorption capacity to remove the pollutants (Peiffer et al., 2008).

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Language(s): eng - English
 Dates: 2010
 Publication Status: Finally published
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.2312/GFZ.gt.16.11
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Title: GEOTECHNOLOGIEN Science Report
Source Genre: Series
 Creator(s):
Münch, Ute1, Editor
Dransch, Werner1, Editor
Affiliations:
1 Mineral Surfaces - From Atomic Processes to Industrial Application : GEOTECHNOLOGIEN Science Report 16, GEOTECHNOLOGIEN Science Report, External Organizations, ou_28024            
Publ. Info: Potsdam : GEOTECHNOLOGIEN
Pages: 204 Volume / Issue: 16 Sequence Number: 11 Start / End Page: 154 - 169 Identifier: ISSN: 1619-7399