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MES research in microbial, treatment. Abstract. The addition of labile organic carbon (LOC) to enhance the bio...

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Reported parameters

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What they did

System
not_BES
Substrate
complex media

What worked

No outcome metrics extracted yet.

Abstract

The addition of labile organic carbon (LOC) to enhance the biodegradation rate of dissolved organic carbon (DOC) in biological columns was studied. Acetate standard solution (NaAc) and LB (Luria Bertrani) medium were used as LOC as biostimulants in glass column system used for measurements of biodegradable dissolved organic carbon (BDOC). The addition of LOC related with the increase of total DOC in sample. The concentration of BDOC increased up to 7 and 5 times and was utilized after 24 min. contact time. The biodegradation rate constant was increased at least 8 times during adaptation-biostimulation period. There was a strong positive correlation between the biodegradation rate constant and the concentration of BDOC. Biostimulation period ranged from 24 to 53 h for NaAc biostimulant and from 20 to 168 h for LB. The study has shown that LOC could be used as stimulator to enhance the biodegradation rate of DOC during biofiltration.

Keywords

BiodegradationBiostimulationDissolved organic carbonTotal organic carbonEnvironmental chemistryChromatography

Identifiers

DOI
10.5194/dwesd-5-67-2012
Journal
Unknown journal
Year
2012