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Microbial removal of Fe(III) impurities from clay using dissimilatory iron reducers

Title
Microbial removal of Fe(III) impurities from clay using dissimilatory iron reducers
Authors
Lee E.-Y.Cho K.-S.Ryu H.W.Chang Y.K.
Ewha Authors
조경숙
SCOPUS Author ID
조경숙scopus
Issue Date
1999
Journal Title
Journal of Bioscience and Bioengineering
ISSN
1389-1723JCR Link
Citation
vol. 87, no. 3, pp. 397 - 399
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Fe(III) impurities, which detract refractoriness and whiteness from porcelain and pottery, could be biologically removed from low-quality clay by indigenous dissimilatory Fe(III)-reducing microorganisms. Insoluble Fe(III) in clay particles was leached out as soluble Fe(II), and the Fe(III) reduction reaction was coupled to the oxidation of sugars such as glucose, maltose and sucrose. A maximum removal of 44-45% was obtained when the relative amount of sugar was 5% (w/w; sugar/clay). By the microbial treatment, the whiteness of the clay was increased from 63.20 to 79.64, whereas the redness was clearly decreased from 13.47 to 3.55.
DOI
10.1016/S1389-1723(99)80054-1
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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