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Manganese inhibition of microbial iron reduction in anaerobic sediments

Geomicrobiology Journal

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Abstract

Potential mechanisms for the lack of Fe(II) accumulation in Mn(IV)-containing anaerobic sediments were investigated. The addition of Mn(IV) to sediments in which Fe(II) reduction was the terminal electron-accepting process removed all the pore-water Fe(II), completely inhibited net Fe(III) reduction, and stimulated Mn(IV) reduction. Results demonstrate that preferential reduction of Mn(IV) by FE(III)-reducing bacteria cannot completely explain the lack of Fe(II) accumulation in anaerobic, Mn(IV)-containing sediments, and indicate that Mn(IV) oxidation of Fe(II) is the mechanism that ultimately prevents Fe(II) accumulation. -Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Manganese inhibition of microbial iron reduction in anaerobic sediments
Series title:
Geomicrobiology Journal
Volume
6
Issue:
3-4
Year Published:
1988
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geomicrobiology Journal
First page:
145
Last page:
155
Number of Pages:
11