Biokinetics of microbial consortia using biogenic sulfur as a novel electron donor for sustainable denitrification

• DOI: 10.1016/j.biortech.2018.09.044
• Publication Date: 2018-09-10T22:33:42Z
• Authors: Anastasiia Kostry...; Stefano Papirio; Liam Morrison; Umer Zeeshan Ijaz; Gavin Collins; Piet N.L. Lens; Giovanni Esposito
• Keywords: Electron donor

In this study, the biokinetics of autotrophic denitrification with biogenic S0 (ADBIOS) for treatment nitrogen pollution in wastewaters were investigated. The used S0, a by-product gas desulfurization, was an elemental microcrystalline orthorhombic sulfur median size 4.69 µm and specific surface area 3.38 m2/g, which made particularly reactive bioavailable. During denitritation, biomass enriched on nitrite (NO2–) capable degrading up to 240 mg/l NO2–-N denitritation activity 339.5 mg NO2–-N/g VSS·d. use induced low accumulation, hindering negative impact denitrifying consortia resulting 223.0 NO3–-N/g Besides Thiobacillus being most abundant genus, Moheibacter Thermomonas predominantly selected respectively.