期刊
BIORESOURCE TECHNOLOGY
卷 149, 期 -, 页码 474-485出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.09.104
关键词
Municipal solid waste; Landfill bioreactors; Ammonia nitrogen removal; SHARON; ANAMMOX
资金
- All India Council for Technical Education
The main aim of this study is to analyse the feasibility to use aerobic ammonium oxidising bacteria (AOB) and anammox/AnAOB biomass enriched from mined municipal solid waste for in situ SHARON and ANAMMOX processes in laboratory scale landfill bioreactors (LFBR) for ammonia nitrogen removal. For this purpose, three LFBRs were operated as Control (without biomass seed), SHARON (with AOB biomass seed) and ANAMMOX (with anammox biomass seed) for 315 days. Results showed nitrogen loading rate of 1.0 kg N/d was effectively removed in SHARON and ANAMMOX LFBR. In SHARON LFBR, partial nitritation efficiency reached up to 98.5% with AOB population of MPN of 5.1 x 10(6)/mL obtained. ANAMMOX LFBR gave evolution of 95% of nitrogen gas as the end product confirmed the ANAMMOX process. Nitrogen transformations, biomass development and hydrazine and hydroxylamine formation authenticated the enriched AOB and anammox biomass activity in landfill bioreactors. (C) 2013 Elsevier Ltd. All rights reserved.
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