Affiliation:
1. Department of Biology, Illinois Institute of Technology, and Institute of Gas Technology, 2 Chicago, Illinois 60616
Abstract
Chlorobium limicola
forma
thiosulfatophilum
(ATCC 17092) was grown in a 1-liter continuously stirred tank reactor (800-ml liquid volume) at pH 6.8, 30°C, saturated light intensity, and a gas flow rate of 23.6 ml/min from a gas cylinder blend consisting of 3.9 mol% H
2
S, 9.2 mol% CO
2
, 86.4 mol% N
2
, and 0.5 mol% H
2
. This is the first demonstration of photoautotrophic growth of a
Chlorobium
sp. on a continuous inorganic gas feed. A significant potential exists for applying this photoautotrophic process to desulfurization and CO
2
fixation of gases containing acidic components (H
2
S and CO
2
).
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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