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The study studied the treatment technology of high concentration emulsion wastewater in metal machining plant. By analyzing the properties of emulsion wastewater, the author used the combination process of membrane technology + Fe - C micro-electrolysis + membrane bioreactor to treat the wastewater. Through the ceramic membrane, the removal rate of CODCr can reach 95%. Fe - C micro-electrolysis treatment can improve the biodegradability of wastewater, lastly through the membrane bioreactor treatment systems; CODCr of the effluent is less than 100 mg/L, which meets the requirements of The First Grade of the National Discharge Standard (GB8978- 1996).

Study on Integration Treatment Technology of Waste Emulsion from Machining Processing