JI Gui xia,ZHANG Rui hua,ZHOU Bu xuan,et al.Treatment of Detergent Wastewater by Multi filler UAF/BAF Two stage Process[J].China Water & Wastewater,2018,34(21):96-99.
多填料复合式UAF/BAF两级工艺处理洗涤剂废水
- Title:
- Treatment of Detergent Wastewater by Multi filler UAF/BAF Two stage Process
- 文章编号:
- 1000-4602(2018)21-0096-04
- 关键词:
- 洗涤剂废水; UAF/BAF两级工艺; 多填料; 滤速
- 分类号:
- TU992.3
- 文献标志码:
- C
- 摘要:
- 采用多填料复合式UAF/BAF两级工艺处理洗涤剂废水，考察了滤速对洗涤剂废水处理效果的影响。结果显示，当滤速为1.4 m/h、BAF气水比为2 ∶1时，UAF对COD、表面活性剂（LAS）、TP的平均去除率分别为54%、27%、12%，BAF对COD、LAS、TP的平均去除率分别达到33.2%、66.4%、81.5%，系统出水COD、LAS、TP的平均浓度分别为56、3.1、0.5 mg/L，达到《污水综合排放标准》（GB 8978—1996）的一级标准。UAF提高了废水的可生化性，降低了LAS的毒性，强化了BAF对难降解有机物、LAS和TP的去除效果，解决了洗涤剂废水处理难达标问题。
- Abstract:
- The detergent wastewater was treated by a twostage process of multifiller combined UAF/BAF, and the effect of the filtration rate on the treatment efficiency was investigated. The results showed that the average removal rates of COD, LAS and TP were 54%, 27%, 12% in UAF and 33.2%, 66.4%, 81.5% in BAF, respectively, when the filtration rate of the system was 1.4 m/h and the volume ratio of air to water in BAF was 2 ∶1. The average concentrations of COD, LAS, and TP in the effluent were 56 mg/L, 3.1 mg/L, and 0.5 mg/L, respectively, which all reached the first class standard in Integrated Wastewater Discharge Standard (GB 8978-1996). The results indicated that UAF improved the biodegradability of detergent industry wastewater, reduced the toxicity of LAS, and strengthened the BAF’s removal efficiency of refractory organics, LAS and TP. The problems in the treatment of effluent to satisfy the standards were solved.
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备注/Memo
基金项目：国家自然科学基金资助项目(51308337)；上海市科委科研计划项目(13DJ1400105)
作者简介：纪桂霞（1966-），女，山东德州人，硕士，副教授，研究方向为水污染控制工程。
E-mail:shjiguixia@163.com
收稿日期：2018-04-12