Environmental oxidation rate of manganese(II): bacterial catalysis

Steven Emerson, Susan Kalhorn, Lucinda Jacobs, Bradley Tebo, Kenneth H. Nealson, Reinhardt A. Rosson

Research output: Contribution to journalArticle

173 Citations (Scopus)

Abstract

A simple mass balance for dissolved manganese(II) in waters containing low levels of oxygen in Saanich Inlet indicates that the residence time for Mn(II) removal to the solid phase is on the order of a few days. The average oxidation state of Mn in particulate material sampled from the region of Mn removal was 2.3-2.7, and electron micrographs revealed structures characteristic of bacterially formed Mn precipitates. Radiotracer experiments utilizing 54Mn(II) indicated that removal of Mn from solution in the region of active uptake was substantially blocked by a poison mixture, demonstrating that Mn(II) binding to particulates is catalyzed by bacteria in this environment.

Original languageEnglish (US)
Pages (from-to)1073-1079
Number of pages7
JournalGeochimica et Cosmochimica Acta
Volume46
Issue number6
DOIs
StatePublished - 1982
Externally publishedYes

Fingerprint

catalysis
Manganese
Catalysis
manganese
oxidation
Oxidation
Poisons
Precipitates
residence time
mass balance
Bacteria
Oxygen
electron
oxygen
bacterium
Electrons
Water
rate
removal
experiment

ASJC Scopus subject areas

  • Geochemistry and Petrology

Cite this

Environmental oxidation rate of manganese(II) : bacterial catalysis. / Emerson, Steven; Kalhorn, Susan; Jacobs, Lucinda; Tebo, Bradley; Nealson, Kenneth H.; Rosson, Reinhardt A.

In: Geochimica et Cosmochimica Acta, Vol. 46, No. 6, 1982, p. 1073-1079.

Research output: Contribution to journalArticle

Emerson, S, Kalhorn, S, Jacobs, L, Tebo, B, Nealson, KH & Rosson, RA 1982, 'Environmental oxidation rate of manganese(II): bacterial catalysis', Geochimica et Cosmochimica Acta, vol. 46, no. 6, pp. 1073-1079. https://doi.org/10.1016/0016-7037(82)90060-6
Emerson, Steven ; Kalhorn, Susan ; Jacobs, Lucinda ; Tebo, Bradley ; Nealson, Kenneth H. ; Rosson, Reinhardt A. / Environmental oxidation rate of manganese(II) : bacterial catalysis. In: Geochimica et Cosmochimica Acta. 1982 ; Vol. 46, No. 6. pp. 1073-1079.
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