第27卷第7 期
2014年7 月
环境科学研究
Research of Environmental Sciences
Vol. 27 ,No.7
July,2014
李超,尹儿琴,唐思远,等.UASB谷执耦合工艺处理高含氮印染废水中试[J].环境科学研究,2014 ,27$7% :733谷41.
LI Chao, YIN Erqin,TANG Siyuan,et al. Pilot study on treatment of printing and dyeing wastewater by UASB-A/0 process [ J] . Research of Environmental
Sciences ,2014 ,27 $7 % &733-741.
UASB-A/O耦合工艺处理高含氮印染废水中试
李 超 1 2 ,尹儿琴2 ,唐思远2 ,周彬宇2 ,操家顺1 2 !
1.河海大学,浅水湖泊综合治理与资源开发教育部重点实验室,江 苏 南 京 210098
2.河海大学环境学院,江 苏 南 京 210098
摘要:通过现场中试考察了 UASB磷执耦合工艺分类处理印染废水的效果• 在前处理废水U AS B进水流量为0.065 m 3 /h,染色
废水U A S B 进水流量为0. 260 m 3/h,同时A执工艺混合液回流比为200%的情况下,该耦合工艺对印染废水中污染物去除效果最
好:最终出水p( C0D& ) <200 mg/L,p( N H 3 -N) <10 mg/L,p(TN) <15 mg/L;染色废水和前处理废水在耦合工艺的U A S B 段都实
现了高效厌氧氨化,染色废水厌氧出水p( N H 3 -N)占! TN)的比例稳定在8 0 % 以上,前处理废水稳定在8 5 % 以上,并且在常温厌
氧条件下也可以实现较好的氨化效果;通过调整前段U A S B 的运行参数可有效实现对VFAs(挥发性脂肪酸)的调控,使之为缺氧
反硝化提供充足的高品质碳源,以达到高效脱氮的目的;耦合工艺对印染废水中的PVA(聚乙烯醇)有较好的处理效果,UASB段
对 P V A 的去除率在10% ~ 4 0 % 之间,A 执段对P V A 的去除率稳定在6 0 % 以上.
关键词:印染废水;UASB;挥发性有机酸(VFAs);高效氨化;聚乙烯醇(PVA)
中图分类号! X171 文章编号! 1001 -6929 (2014) 07 -0733 -09
文献标志码! A D O I : 10. 13198/j. issn. 1001-6929. 2014. 07. 08
Pilot Study on Treatment of Printing and Dyeing Wastewater by UASB-A/O
Process
LI Chao1'2, YIN Er-qin2,T A N G Si-yuan2 ,Z H 0 U Bin-yu2, C A 0 Jia-shun1 ,2
1. Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes' Ministry of Education, Hohai University,
Nanjing210098, China
2. School of Environment, Hohai University, Nanjing 210098, China
Abstract: In a pilot experiment, the treatment of printing and dyeing wastewater by the UASB ( up-flow anaerobic sludge bed)-A/0
coupling process was studied. 0ptimal pollutant removal performance was obtained under the conditions of inflow rates 0. 065 m 3 执 and
0. 260 m 3/h for pretreatment and dyeing wastewater, respectively, and reflux ratio fixed at 200% for the A/0 process. In the effluent,
C0D=r was <200 mg/L,ammonia nitrogen was < 10 mg/L,and total nitrogen was <20 mg/L. In the UASB process section,the dyeing
and pretreatment wastewater showed high efficiency anaerobic ammoniation. Ammonia nitrogen occupied more than 80% and 85% of the
total nitrogen in the anaerobic effluent of the dyeing and pretreatment wastewater, respectively. Even at normal temperature, anaerobic
digestion could also achieve good ammoniation. In order to enhance the denitrification, VFAs( volatile fatty acid) could be controlled by
adjusting the operation parameters of the UASB section, which produced a sufficient and high-quality carbon source for anoxic
denitrification. The coupling process had a good removal efficiency of PVA ( polyviny alcohol) in printing and dyeing wastewater. The
removal rate of PVA was 10% -40% in the UASB section,while in the A/0 section the removal rate was more than 60% .
Key words
: printing and dyeing wastewater; UASB ; VFAs ; high efficient ammoniation ; PVA
收稿日期:2013-10-15 修订日期:2014 -03 - 12
基金项目!国家水体污染控制与治理科技重大专项(2012ZX07101 -
003)
作者筒介!李超(1984-),男,辽宁沈阳人,讲师,博士,主要从事水处
理生物技术研究,lichao0609@163. com.
!责任作者,操家顺(1964 - ),男,浙江嵊州人,教授,博士,博导,主要
从事水处理技术研究,caojiahun@163. com
印染废水成分复杂’可 生 化 性 差 ,同时很多企业
大量使用含氮染料和助剂’使得印染废水中有机氮含
量增 高 ’也导致太湖流域多数化工园区污水厂的进水
p( T N )高于 50 mg/L[1]. 因 此 ,高! C 0 D & )、高 p (有
机氮 )、低品质碳源印染废水的处理成为亟待解决的
[ 2-4] .