ISSN:
1476-5535
Keywords:
Biomass and biodegradation
;
Biodegradation rates
;
Phenol biodegradation rate constants
;
Biodegradation kinetics
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Process Engineering, Biotechnology, Nutrition Technology
Notes:
Summary Biodegradation rates of 12 phenols were measured with respect to acclimated microbial biomass ranging from 2.3×104 to 2.3×108 cells/l. Rates ranged between 0.02 mg l−1 day−1 for 1.6 mg/lp-bromophenol exposed to 2.3×104 cells/l and 1.41 mg l−1 day−1 for 3.2 mg/lp-methylphenol exposed to 2.3×108 cells/l. Generally, rates for all phenols were first-order in substrate concentration and zero-order in biomass concentration. Bromophenol biodegradation was preceded by lag periods of varying lengths and to a small extent the rate was dependent on microbial biomass. Results from this study suggest chemical biodegradation generally exhibits pseudo-first-and occasionally, second-order kinetics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01577354
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