Biodegradation of 2,4-dichlorophenol in Packed-Bed Biofilm Reactor : Effect of Hydraulic Retention Time, Biogenic Substrate, and Loading Rate

  The removal of 2,4-dichlorophenol (2,4-DCP) by a pure culture of Bacillus endophyticus strain immobilized on ceramic balls was studied in a packed bed biofilm reactor (PBBR). The biodegradation of 2,4-DCP was studied in fed-batch and continuous mode and the effect of different parameters such as h...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 88(2016), 12 vom: 01. Dez., Seite 2191-2197
1. Verfasser: Patel, Bhishma P (VerfasserIn)
Weitere Verfasser: Kumar, Arvind
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Chlorophenols Peptones Water Pollutants, Chemical 2,4-dichlorophenol R669TG1950
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245 1 0 |a Biodegradation of 2,4-dichlorophenol in Packed-Bed Biofilm Reactor  |b Effect of Hydraulic Retention Time, Biogenic Substrate, and Loading Rate 
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520 |a   The removal of 2,4-dichlorophenol (2,4-DCP) by a pure culture of Bacillus endophyticus strain immobilized on ceramic balls was studied in a packed bed biofilm reactor (PBBR). The biodegradation of 2,4-DCP was studied in fed-batch and continuous mode and the effect of different parameters such as hydraulic retention time (HRT), biogenetic substrate concentration, and loading rate on the removal of 2,4-DCP were evaluated. Field emission scanning electron microscope (FESEM) results established the biofilm formation on the ceramic beads. The maximum volumetric removal rate found to be 127.2 mg/L·d at loading rate of 172.8 mg/L·d with 73.6% degradation (12.5 hours of HRT, 90 mg/L of 2,4-DCP, 0.2 g/L of peptone). The bioreactor showed more than 98% removal of 2,4-DCP at loading rate of 115.2 mg/L·d at 12.5 hours of HRT and 0.2 g/L of peptone. Effect of peptone showed that lower peptone concentration increases the removal efficiency; however, some peptone is necessary to maintain the 2,4-DCP removal efficiency 
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650 7 |a R669TG1950  |2 NLM 
700 1 |a Kumar, Arvind  |e verfasserin  |4 aut 
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