Affiliation:
1. Departments of Microbiology and Agronomy, 2 The Ohio State University, Columbus, Ohio 43210
Abstract
A packed-bed bioreactor with activated-carbon particles as a carrier matrix material inoculated with
Thiobacillus ferrooxidans
was operated at a pH of 1.35 to 1.5 to convert ferrous sulfate to ferric sulfate. Despite the low operating pH, trace amounts of precipitates were produced in both the reactor and the oxidized effluent. X-ray diffraction and chemical analyses indicated that the precipitates were well-ordered potassium jarosite. The chemical analyses also revealed a relative deficiency of Fe and an excess of S in the reactor sample compared with the theoretical composition of potassium jarosite.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
Cited by
75 articles.
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