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[1]王林博,李庆新,李国华,等.关于膜组合工艺技术对焦化废水的深度处理[J].武汉工程大学学报,2011,(08):40-44.
 WANG Linbo,LI Qingxin,LI Guohua,et al.Advanced treatment of coking wastewater by UFNF technology[J].Journal of Wuhan Institute of Technology,2011,(08):40-44.
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关于膜组合工艺技术对焦化废水的深度处理(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2011年08期
页码:
40-44
栏目:
化学与化学工程
出版日期:
2011-09-30

文章信息/Info

Title:
Advanced treatment of coking wastewater by UFNF technology
文章编号:
16742869(2011)08004005
作者:
王林博1李庆新1李国华2邓麟3叶士杰3余训民1*
1.武汉工程大学,湖北 武汉 430074;2.武汉集萃科技有限公司,湖北 武汉 430073;
3.上海集萃净化技术有限公司,上海 200240
Author(s):
WANG Linbo1  LI Qingxin1  LI Guohua2   DENG Lin3   YE Shijie3  YU Xunmin1
1. Wuhan Institute of Technology,Wuhan 430074;2. Highlights Technology Co., Ltd. Wuhan 430074, China;
3. Highlights purification technics Co., Ltd., Shanghai 200240,China
关键词:
焦化废水 超滤 纳滤 膜产水量 膜压差 深度处理
Keywords:
 coking wasterwater ultrafiltration nanofiltration water production ratea differential pressure
分类号:
X703.1;X784;TQ028.8
DOI:
-
文献标志码:
AAdoi:10.3969/j.issn.16742869.2011.08.010
摘要:
针对焦化废水为高浓度难降解的有毒有机废水,经生物混凝法处理,废水中的COD、SS、Cl-、色度、硬度等仍难达标,必须经过深度处理方能中水回用的问题.本研究以唐山某焦化厂二沉池出水作为超滤纳滤组合工艺的进水,对焦化废水进行深度处理,探讨了影响焦化废水深度处理的因素.实验结果表明,本工艺的出水:COD≤50 mg/L、Cl-≤250 mg/L、硬度≤50 mg/L、TDS≤1 000 mg/L、SS和色度为0,符合《污水再生利用工程设计规范》(GB503352002)中再生水作为循环冷却系统补充水的水质标准.在实验过程中,通过对超滤膜和纳滤膜的产水量和压差的分析、冲洗和反冲洗后产水量变化的分析,得出本工艺的可行性和浓水的处置方法.
Abstract:
Coking wastewater was a high concentration refractory organic wastewater. The COD, suspended solids, hardness and chloride ion concentration in the wastewater couldn’t reach the standard even after treatment by biological methods, coagulation and sedimentation. Therefore, they couldn’t recycle until it was treated by advanced technology. A coking wastewater from a plant in Tangshan secondary sedimentation tank was studied by UFNF combined technology for advanced treatment of coking wastewater, and the factors which influenced the treatment efficiency were also discussed. The results indicated that after treatment, COD≤50 mg/L, hardness ≤40 mg/L, the concentration of chloride ion was 300—400 mg/L, suspended solids and color was 0 in the water, the water was up to GB503352002 Standard. During the experiment, through the ultrafiltration membrane and nanofiltration membrane flux and the pressure of the analysis, recovery after washing and backwashing flux analysis, the technology for treatment of coking wastewater was feasible and available.

参考文献/References:

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