Hybrid expanded-bed GAC reactor for treating inhibitory wastewater

An expanded-bed anaerobic biological granular activated carbon (GAC) reactor was connected to a GAC adsorber to form a hybrid reactor which separated biological removal from physical removal. The reactor design was evaluated using the alkylphenol 3-ethylphenol to represent a refractory/inhibitory co...

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Veröffentlicht in:Journal of environmental engineering (New York, N.Y.) N.Y.), 1990-01, Vol.116 (3), p.438-453
Hauptverfasser: Fox, P, Suidan, M T, Pfeffer, J T, Bandy, J T
Format: Artikel
Sprache:eng
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Zusammenfassung:An expanded-bed anaerobic biological granular activated carbon (GAC) reactor was connected to a GAC adsorber to form a hybrid reactor which separated biological removal from physical removal. The reactor design was evaluated using the alkylphenol 3-ethylphenol to represent a refractory/inhibitory compound. The COD loading rate was 13.3-23.8 kg COD per m3. The hybrid reactor had a greater biological removal efficiency than a conventional expanded-bed GAC anaerobic reactor. The effects of sludge age and GAC replacement rate on reactor efficiency were examined.
ISSN:0733-9372