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Performance of a Pilot‐scale Packed Bed Reactor for Perchlorate Reduction Using a Sulfur Oxidizing Bacterial Consortium by Amber R. Boles; Teresa Conneely; Robert McKeever; Paul Nixon; Klaus R. Nüsslein; Sarina J. Ergas is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Performance of a Pilot‐scale Packed Bed Reactor for Perchlorate Reduction Using a Sulfur Oxidizing Bacterial Consortium about?
## Abstract A novel sulfur‐utilizing perchlorate reducing bacterial consortium successfully treated perchlorate (ClO) in prior batch and bench‐scale packed bed reactor (PBR) studies. This study examined the scale up of this process for treatment of water from a ClO and RDX contaminated aquifer in Cape Cod Massachusetts. A pilot‐scale upflow PBR (∼250‐L) was constructed with elemental sulfur and crushed oyster shell packing media. The reactor was inoculated with sulfur oxidizing ClO reducing cultures enriched from a wastewater seed. Sodium sulfite provided a good method of dissolved oxygen removal in batch cultures, but was found to promote the growth of bacteria that carry out sulfur disproportionation and sulfate reduction, which inhibited ClO reduction in the pilot system. After terminating sulfite addition, the PBR successfully removed 96% of the influent ClO in the groundwater at an empty bed contact time (EBCT) of 12 h (effluent ClO of 4.2 μg L^−1^). Simultaneous ClO and NO reduction was observed in the lower half of the reactor before reactions shifted to sulfur disproportionation and sulfate reduction. Analyses of water quality profiles were supported by molecular analysis,
Who reads Performance of a Pilot‐scale Packed Bed Reactor for Perchlorate Reduction Using a Sulfur Oxidizing Bacterial Consortium?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Amber R. Boles; Teresa Conneely; Robert McKeever; Paul Nixon; Klaus R. Nüsslein; Sarina J. Ergas
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 0006-3592)
- Published
- 2011
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)