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Indexed by:期刊论文
Date of Publication:2018-10-01
Journal:BIORESOURCE TECHNOLOGY
Included Journals:PubMed、SCIE
Volume:265
Page Number:170-179
ISSN No.:0960-8524
Key Words:AnammoxDeNOx; Anammox biofilter; Fe(II)EDTA; NOx removal; Municipal sewage treatment
Abstract:A novel AnammoxDeNOx process was designed to simultaneously remove NOx in flue gas and ammonium wastewater, with the aim of exploring the possibility of using NO as a long-term and stable electron acceptor for anammox bacteria. The performance of the AnammoxDeNOx process indicated a NOx removal efficiency from simulated flue gas (including CO2, SO2, O-2 and NO2) of 87-96% using simulated ammonium wastewater. With municipal wastewater, the removal efficiencies for NOx were 70-90%, total nitrogen 40-70%, and COD 80-90% (NO concentration: 100-500 ppm). The anammox genus underwent considerable changes from the dominant Candidatus Kuenenia in the stage of domestication to the predominant Candidatus Brocadia, which then became the dominant species in the simulated flue gas and actual municipal wastewater stages.
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