A comparative assessment of biofiltration and activated sludge diffusion for odour abatement
作者： Raquel Lebrero , Elisa Rodríguez , Pedro A. García-Encina , Raúl Muñoz
DOI: 10.1016/J.JHAZMAT.2011.03.090
关键词:
摘要: The deodorization performance of a biofilter and an activated sludge diffusion (AS) system was comparatively evaluated in terms removal efficiency (RE) process stability at empty bed residence times (EBRT) ranging from 94 to 32 s. Both bioreactors were fed with synthetic odorous emission containing H2S, butanone toluene 23.6–43.3, 4.3–6.3 0.4–0.6 mg m −3 , respectively. While the outlet H2S concentration always lower than 1.4 m−3, REs for remained higher 95% both regardless EBRT. continuous supply wastewater AS unit did not affect appeared be requirement efficient pollutant abatement. Despite narrow carbon source spectrum treated, maintained large bacterial diversity over time. Therefore, results obtained confirmed potential systems as robust biotechnology odour treatment WWTPs.
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