Biological Nitrogen Removal Database

A manually curated data resource for microbial nitrogen removal


Detailed information

Microorganism

Zobellella taiwanensis strain DN-7 

Taxonomy
  • Phylum : Proteobacteria
  • Class : Gammaproteobacteria
  • Order :Aeromonadales
  • Family : Aeromonadaceae
  • Genus : Zobellella

Electron Acceptor

NO3-,NO2-

Electron Donor

Trisodium citrate

Information about Article

Reference:Lei et al., 2016

Title:A Novel Heterotrophic Nitrifying and Aerobic Denitrifying Bacterium, Zobellella Taiwanensis DN-7, Can Remove High-Strength Ammonium

Pubmed ID:26762390

Pubmed link:Link

Full research link:Link

Abstract: A novel heterotrophic bacterium capable of heterotrophic nitrification and aerobic denitrification was isolated from ammonium contaminated landfill leachate and physiochemical and phylogenetically identified as Zobellella taiwanensis DN-7. DN-7 converted nitrate, nitrate, and ammonium to N2 as the primary end product. Single factor experiments suggested that the optimal conditions for ammonium removal were trisodium citrate as carbon source, C/N ratio 8, pH 8.0-10.0, salinity less than 3 %, temperature 30 °C, and rotation speed more than 150 rpm. Specifically, DN-7 could remove 1000.0 and 2000.0 mg/L NH4 (+)-N completely within 96 and 216 h, with maximum removal rates of 19.6 and 17.3 mg L(-1) h(-1), respectively. These results demonstrated that DN-7 is a promising candidate for application of high-strength ammonium wastewater treatments.

Biological Nitrogen Removal Database