旋转错流式膜反应器处理船舶含油污水研究
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摘要
某船舶污水处理厂经简单隔油后的船舶含油废水,通过旋转错流式超滤膜分离一体化设备进行深度处理,对旋转错流式膜技术在实际船舶含油废水处理的应用进行了研究。结果表明系统稳定后,当PAC用量为300 mg/L、PAM用量为0.5 mg/L、预混凝时间为20 min时,旋转式超滤膜分离一体化设备对含油污水的COD去除率达到91.12%。该旋转错流式超滤膜一体化设备适合处理船舶含油废水。
After simple oil-water separation,ship' s oily wastewater was treated with active cross-flow ultration membrane separation integration equipment,and the application of cross-flow membrane technology in the treatment of oily wastewater from ships was studied. The results showed that when the system was stable,the dosage of PAC was300 mg/L,PAM dosage was 0. 5 mg/L,the preconditioned time was 20 min. The COD removal rate of equipment of the oily wastewater was 91. 12%. The cross-flow ultrafiltration membrane integrated equipment is suitable for the treatment of oily wastewater from ships.
After simple oil-water separation,ship' s oily wastewater was treated with active cross-flow ultration membrane separation integration equipment,and the application of cross-flow membrane technology in the treatment of oily wastewater from ships was studied. The results showed that when the system was stable,the dosage of PAC was300 mg/L,PAM dosage was 0. 5 mg/L,the preconditioned time was 20 min. The COD removal rate of equipment of the oily wastewater was 91. 12%. The cross-flow ultrafiltration membrane integrated equipment is suitable for the treatment of oily wastewater from ships.
引文
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[2]麦均生,汪晓军,李立.混凝-臭氧-曝气生物滤池处理港口洗舱废水的中试研究[J].海洋环境科学,2009,28(3):297-300.
[3]龙冬清,景正栋,何田妹.隔油-破乳-Fenton氧化-混凝工艺处理高浓度乳化液废水[J].江西理工大学学报,2014,35(3):18-22.
[4]耿安朝,王锐,廖德祥,等.主动错流式膜分离设备的研制[J].水处理技术,2013,39(10):122-127
[5]潘振江,高学理,祝威,等.聚醚砜超滤膜处理油田采出水试验研究[J].膜科学与技术,2011,31(2):95-99.
[6]M Padaki,R S Murali,M S Abdullah,et al.Membrane technology enhancement in oil-water separation.A review[J].Desalination,2015,357(13):197-207.
[7]张胜利,刘丹,曹臣.次氯酸钠氧化脱除废水中氨氮的研究[J].工业用水与废水,2009,40(3):23-26.
[8]王汉道,冯振杰,赵娜.Fenton法-聚合氯化铝预处理高浓度乳化液废水[J].生态环境学报,2014,23(8):1327-1331.