Abstract：
:The influence of zinc, manganese, and nickel on the degradation of MTBE (methyl tert-butyl ether), by an aerobic MTBE-degrading strain, Ochrobactrum cytisi, were investigated. The result showed that unlike previous findings, O. cytisi was able to degrade MTBE through direct metabolism when MTBE was present as the only carbon source. The degradation rate of MTBE was rapid, completed within 80 h. MTBE biodegradation by this strain was stimulated at low concentrations of Zn(2+) (1-5 mg l(-1)) and Mn(2+) (1-5 mg l(-1)) but inhibited at high concentrations of Zn(2+) (20 mg l(-1)) and Mn(2+) (20 mg l(-1)), and at low concentration of Ni(2+) (1-4 mg l(-1)). Kinetic parameters for MTBE degradation in the presence or absence of metals were obtained through nonlinear regression and a least-square minimization procedure. In all cases, a good agreement was achieved between kinetic simulations and experimental results.
journal_name
Chemospherejournal_title
Chemosphereauthors
Lin CW,Cheng YW,Tsai SLdoi
10.1016/j.chemosphere.2007.04.057subject
Has Abstractpub_date
2007-11-01 00:00:00pages
1485-91issue
9eissn
0045-6535issn
1879-1298pii
S0045-6535(07)00584-Xjournal_volume
69pub_type
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