Affiliation:
1. Department of Civil Engineering1 and
2. Department of Chemical Engineering,2 University of Texas at Austin, Austin, Texas
Abstract
ABSTRACT
Butane-oxidizing
Arthrobacter
(ATCC 27778) bacteria were shown to degrade low concentrations of methyl
t
-butyl ether (MTBE; range, 100 to 800 μg/liter) with an apparent half-saturation concentration (
K
s
) of 2.14 mg/liter and a maximum substrate utilization rate (k
c
) of 0.43 mg/mg of total suspended solids per day.
Arthrobacter
bacteria demonstrated MTBE degradation activity when grown on butane but not when grown on glucose, butanol, or tryptose phosphate broth. The presence of butane,
tert
-butyl alcohol, or acetylene had a negative impact on the MTBE degradation rate. Neither
Methylosinus trichosporium
OB3b nor
Streptomyces griseus
was able to cometabolize MTBE.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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70 articles.
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