Fe~(2+)/Fe~(3+)对SBBR工艺处理腈纶废水效果比较
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摘要
通过平行对比试验,考察了分别外加Fe2+和Fe3+的SBBR反应器对实际腈纶废水的处理效果。结果表明:外加Fe2+/Fe3+对腈纶废水处理效果较好,COD去除率在60%左右,氨氮去除率高达90%以上,氨氮出水可达国家一级B标准。在水质波动阶段,外加Fe2+比Fe3+对腈纶废水中COD的处理效果更好。Fe2+对亚硝化反应具有促进作用,外加Fe2+的SBBR反应器对氨氮的降解速率较Fe3+更快。
The effect of SBR reactor with Fe2+ and Fe3+ on the treatment of acrylic fiber wastewater was investigated by parallel experiment. The results show: The addition of Fe2+/Fe3+ has a good effect on the treatment of acrylic fiber wastewater. The removal rate of COD is about 60 %, the removal rate of ammonia nitrogen is over 90 %, and the effluent of ammonia nitrogen can reach the national first grade B standard. In the stage of water quality fluctuation, addition of Fe2+ is better than Fe3+ in the treatment of COD in acrylic fiber wastewater. Fe2+ promoted the nitrosation reaction, and the rate of degradation of ammonia nitrogen was faster than that of Fe3 + with the addition of Fe2+.
The effect of SBR reactor with Fe2+ and Fe3+ on the treatment of acrylic fiber wastewater was investigated by parallel experiment. The results show: The addition of Fe2+/Fe3+ has a good effect on the treatment of acrylic fiber wastewater. The removal rate of COD is about 60 %, the removal rate of ammonia nitrogen is over 90 %, and the effluent of ammonia nitrogen can reach the national first grade B standard. In the stage of water quality fluctuation, addition of Fe2+ is better than Fe3+ in the treatment of COD in acrylic fiber wastewater. Fe2+ promoted the nitrosation reaction, and the rate of degradation of ammonia nitrogen was faster than that of Fe3 + with the addition of Fe2+.
引文
[1]Zheng T,Wang Q,Zhang T,et al.Microbubble enhanced ozonation process for advanced treatment of wastewater produced in acrylic fiber manufacturing industry[J].J.Hazard.Mater.,2015a,287,412-420.
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[15]王秀蘅,任南琪,王爱杰,等.铁锰离子对硝化反应的影响效应研究[J].哈尔滨工业大学学报,2003,35(1):122-125.
[2]胡伟.生物铁法及其在焦化污水处理上的应用[J].生存与发展,1998(4):15-17.
[3]冯雷雨,孙力平.生物铁法处理维生素B1生产废水[J].中国给水排水,2005,21(12):41-43.
[4]聂秋月,谢悦波,宗绪成.生物铁-复合菌处理牛仔布印染废水[J].环境工程,2009,27(3):57-59.
[5]裴保安,张慧利,宋同鹤,等.生物铁法处理制革污水[J].河南科技,1997(9):19.
[6]胡伟.生物铁法及其在焦化污水处理上的应用[J].生存与发展,19.
[7]王国栋,刘书琴,倪福功,等.生物增效法和生物铁法在炼油废水处理中的应用[J].中国给水排水,2011,27(11):98-100.
[8]程汉林,生物铁法和生物铁填料法在难降解有机废水处理中的应用[J].环境技术,2001(3):30-31.
[9]李向富,罗兴华,余政哲.粉末活性炭及生物铁复合法在含氰废水处理中的应用[J].石油化工环境保护,1996(1):1-6.
[10]张艳,王红武,马鲁鸣.铁细菌在水处理方面的应用及影响其生长的因素[J].四川环境,2006,25(5):61-64.
[11]杨雪,张景成,关小红.新生态铁的混凝作用探索[J].环境科学,2012,4:1221-1226.
[12]国家环境保护总局《水和废水监测分析方法》编委会.水和废水监测分析方法[M].4版.北京:中国环境科学出版社,2002.
[13]荣宏伟,吕炳南.SBBR工艺同步脱氮除磷处理效能研究[J].广州大学学报,2006,5(5):41-44.
[14]城镇污水处理厂污染物排放标准GB18918-2002.
[15]王秀蘅,任南琪,王爱杰,等.铁锰离子对硝化反应的影响效应研究[J].哈尔滨工业大学学报,2003,35(1):122-125.