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Water Res. 2009 Feb;43(2):417-22. doi: 10.1016/j.watres.2008.10.046. Epub 2008 Nov 6.

Development of an expanded-bed GAC reactor for anaerobic treatment of terephthalate-containing wastewater.

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Department of Urban and Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto-Daigaku-Katsura C1, Nishikyo-ku, Kyoto 615-8540, Japan. <>


An expanded-bed granular activated carbon (GAC) anaerobic reactor was developed to treat terephthalate-containing wastewater. Terephthalate inhibits biological anaerobic degradation of terephthalate and methane production when present at a concentration of more than 150 mg/L. In the GAC anaerobic reactor developed here, degradation of terephthalate and other organic compounds occurred smoothly and stably with removal and methane fermentation ratios of more than 90% under a chemical oxygen demand (COD) loading rate of 4 kg COD/(m(3) d) and a terephthalate loading rate of 1 kg terephthalate/(m(3) d).

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