| Literature DB >> 21320775 |
Hui-qiang Li1, Hong-jun Han, Mao-an Du, Wei Wang.
Abstract
A laboratory-scale moving bed biofilm reactor (MBBR) with a volume of 4 L was used to study the biodegradation of coal gasification wastewater. Maximum removal efficiencies of 81%, 89%, 94% and 93% were obtained for COD, phenols, SCN(-) and NH(4)(+)-N, respectively. NO(2)(-)-N accumulation induced increase of effluent COD concentration when the hydraulic residence time (HRT) decreased. Phenols removal was not affected when the HRT decreased from 48 to 32 h. Effluent SCN(-) and NH(4)(+)-N concentration increased with the decrease of the HRT, and decreased gradually when the HRT returned to 48 h. Batch experiments were carried out to study performance of the suspended and attached growth biomass in the MBBR.Entities:
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Year: 2011 PMID： 21320775 DOI： 10.1016/j.biortech.2011.01.029
Source DB: PubMed Journal: Bioresour Technol ISSN： 0960-8524 Impact factor: 9.642