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The maximum nitrate reduction attained atCOD=NO 3 ratio of 1. The CRBR operated at optimum COD=NO3 ratio could completely denitrify the nitrate at inlet concentration up to 1250 mg/L without nitrite accumulation. The maximum denitrifica tion rate in the CRBR was 3:56 kgNO 3 =m3 d with a nitrate reduction efficiency of 99% when the bioreactor was operated at inlet nitrate loading rate of 3:6 kgNO 3 =m3 d. The denitrification performance of the CRBR was not affected significantly by NaCl concentrations up to 20 g/L. 16S rRNA fragment and phylogenetic analysis identified Pseudomonas resinovorans, Stenotrophomonas maltophilia and Bacillus cereus as the most abundant denitrifiers in biomass. Accordingly, the CRBR is a high-rate bioreactor and appropriate technology for treatment of nitrate-laden industrial wastewaters containing phenolic compounds and salinity.", "notes_translated": {"es": "The effects of COD=NO 3 ratio, nitrate concentration and salinity was tested on the performance of the CRBR in denitrification with catechol as carbon source. The maximum nitrate reduction attained atCOD=NO 3 ratio of 1. The CRBR operated at optimum COD=NO3 ratio could completely denitrify the nitrate at inlet concentration up to 1250 mg/L without nitrite accumulation. The maximum denitrifica tion rate in the CRBR was 3:56 kgNO 3 =m3 d with a nitrate reduction efficiency of 99% when the bioreactor was operated at inlet nitrate loading rate of 3:6 kgNO 3 =m3 d. The denitrification performance of the CRBR was not affected significantly by NaCl concentrations up to 20 g/L. 16S rRNA fragment and phylogenetic analysis identified Pseudomonas resinovorans, Stenotrophomonas maltophilia and Bacillus cereus as the most abundant denitrifiers in biomass. Accordingly, the CRBR is a high-rate bioreactor and appropriate technology for treatment of nitrate-laden industrial wastewaters containing phenolic compounds and salinity."}, "num_resources": 1, "num_tags": 2, "organization": {"id": "bca483f7-26e2-4ed8-99e8-65f5b3c7a26e", "name": "iepnb", "title": "", "type": "organization", "description": "", "image_url": "", "created": "2026-06-23T14:36:08.942021", "is_organization": true, "approval_status": "approved", "state": "active"}, "owner_org": "bca483f7-26e2-4ed8-99e8-65f5b3c7a26e", "private": false, "provenance": {"es": ""}, "publisher_email": "buzon-bdatos@miteco.es", "publisher_name": "\u00c1rea de Banco de Datos de la Naturaleza. 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