[Objective] The aim was to study the COD removal effect of emulsifier wastewater and provide experimental basis for the design, adjustment and operation of project. [Method] Using UASB+SBR technology to process emulsi...[Objective] The aim was to study the COD removal effect of emulsifier wastewater and provide experimental basis for the design, adjustment and operation of project. [Method] Using UASB+SBR technology to process emulsifier wastewater, the problems in operation process were discussed. [Result] The experiment carried out for 71 d, under the situation of large changes of COD concentration (the highest: 10 924 mg/L, the lowest: 2 880 mg/L, mean value: 5 751 mg/L), COD removal efficiency of UASB was around 70% and the COD removal efficiency of SBR was above 70%, which met the emission standard. [Conclusion] The combined technology had good treatment effect on the emulsifier wastewater.展开更多
文摘[Objective] The aim was to study the COD removal effect of emulsifier wastewater and provide experimental basis for the design, adjustment and operation of project. [Method] Using UASB+SBR technology to process emulsifier wastewater, the problems in operation process were discussed. [Result] The experiment carried out for 71 d, under the situation of large changes of COD concentration (the highest: 10 924 mg/L, the lowest: 2 880 mg/L, mean value: 5 751 mg/L), COD removal efficiency of UASB was around 70% and the COD removal efficiency of SBR was above 70%, which met the emission standard. [Conclusion] The combined technology had good treatment effect on the emulsifier wastewater.
