Vinyl chloride (VC) can be biodegraded aerobically by the strain Myobacterium aurum L1 to CO2 and HCl. The influence of VC and oxygen concentrations on microbial growth and VC utilization rate was examined in fed-batch experiments in a stirred tank reactor (STR) and a bubble column (BC). VC and oxygen show limiting and inhibitory effects. The kinetics can be described by a double Haldane model. The kinetic parameters were determined by a numerical optimization using the Simplex method.

Biodegradation, fed-batch, microbial growth, substrate inhibition, substrate limitation, vinyl chloride, Haldane kinetics
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© IWA Publishing 1994
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