Environ. Sci. Technol. 2003, 37, 1268-1276
Microbial Reduction of Structural Fe(III) in Illite and Goethite H A I L I A N G D O N G , * ,† RAVI K. KUKKADAPU,‡ JAMES K. FREDRICKSON,‡ JOHN M. ZACHARA,‡ DAVID W. KENNEDY,‡ AND HEATHER M. KOSTANDARITHES‡ Department of Geology, Miami University, Oxford, Ohio 45056, Pacific Northwest National Laboratory, Richland, Washington 99352
Microbial reduction of Fe(III) in illite was studied to evaluate the possibility of microbial utilization of Fe(III) in sedimentary clays and to determine the effects of bioreduction on clay composition and structure. A subsurface bacterium (Shewanella putrefaciens CN32) and illite separates (