Demonstration of a full-scale plant using an UASB followed by a ceramic MBR for the reclamation of industrial wastewater
2016
Niwa, Terutake | Hatamoto, Masashi | Yamashita, Takuya | Noguchi, Hiroshi | Takase, Osamu | Kekre, Kiran A. | Ang, Wui Seng | Tao, Guihe | Seah, Harry | Yamaguchi, Takashi
This study comprehensively evaluated the performance of a full-scale plant (4550m3d−1) using a UASB reactor followed by a ceramic MBR for the reclamation and reuse of mixed industrial wastewater containing many inorganics, chemical, oil and greases. This plant was demonstrated as the first full-scale system to reclaim the mixed industrial wastewater in the world. During 395days of operation, influent chemical oxygen demand (COD) fluctuated widely, but this system achieved COD removal rate of 91% and the ceramic MBR have operated flux of 21–25LMH stably. This means that this system adsorbed the feed water fluctuation and properly treated the water. Energy consumption of this plant was achieved 0.76kWhmm−3 and this value is same range of domestic sewage MBR system. The combination of an UASB reactor and ceramic MBR is the most economical and feasible solution for water reclamation of mixed industrial wastewater.
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