The Performance of Moving Fluidized Bed Bioreactor - Granular Activated Carbon, MFBBR- GAC

Abstract

The objective of this study was to study the moving fluidized bed bioreactor – granular activated carbon (GAC). The result of using MFBBR – GAC, a highly cylindrical acrylic tank with spiral flow connected with waste water reactor, found that the optimal correlation of these variables are as follows: a dry weight
(WDry) of GAC was 4 kg., the initial height of bed (h0) was 0.55 m., the percentage distribution of bed (DB%) of a flow rate of recirculation between 10 to 15 L/min impact nozzle jet water of Wheel fixed. The results showed that the flow rate (QRe) from 13 to 15 L/min had the percentage distribution of bed (DB%), higher than 90 percent. The indicators of moving bed were the movement height of bed (hB) equaled 0.115, 0.124,0.132 m., the movement time of bed (tB) equaled 12.06, 11.79, 11.55 sec., the movement degrees of bed (B) equaled 44.13, 42.66, 41.80 degree, and the bed's the stirrer speed equaled 25, 28, 31 rpm. This system can remove COD removal efficiency, higher than 95% of domestic wastewater that is wash water, and the hydraulic recirculation time (HReT) was 2 hrsand MFBBR – GAC purposely managed to utilize the treated wastewater for agricultural use.