轧钢废水深度处理及生态化再生利用技术
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摘要
人工湿地技术以其较低的运行成本及简便的管理模式近年来被广泛地应用在工业废水深度处理和污水的再生回用中。采用锰砂和砾石填料的人工湿地试验装置应用在轧钢废水深度处理中,并对污染物的去除效果进行了分析,利用人工湿地中的填料、微生物、植物协同作用研究轧钢废水中COD和总磷等污染物的去除效果,研究发现,经过湿地处理后,COD等出水水质指标能够满足《城市污水再生利用工业用水水质》(GB/T19923—2005)标准。
Constructed wetland technology has been widely used in advanced treatment of industrial wastewater and the reuse of wastewater in recent years,with its low operating cost and simple management mode. Manganese sand and gravel packing of the pilot facilities were used in the advanced treatment of steel rolling wastewater,and the removal efficiency of pollutants were analyzed,using constructed wetland fillers,microorganisms,plant synergistic effect of rolling wastewater COD and total phosphorus and other pollutants removal effect. The study found that after the wetland treatment,COD of the effluent quality index can meet The reuse of urban recycling waterwater quality standard for industrial uses( GB/T19923—2005) standard.
Constructed wetland technology has been widely used in advanced treatment of industrial wastewater and the reuse of wastewater in recent years,with its low operating cost and simple management mode. Manganese sand and gravel packing of the pilot facilities were used in the advanced treatment of steel rolling wastewater,and the removal efficiency of pollutants were analyzed,using constructed wetland fillers,microorganisms,plant synergistic effect of rolling wastewater COD and total phosphorus and other pollutants removal effect. The study found that after the wetland treatment,COD of the effluent quality index can meet The reuse of urban recycling waterwater quality standard for industrial uses( GB/T19923—2005) standard.
引文
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[2]巩恩辉.轧钢废水处理的工艺分析[J].科技信息,2012(19):289-290.
[3]左先仁,侯丽娜,谭永庆.稀土磁盘成套设备在莱钢轧钢废水处理中的应用[J].青岛理工大学学报,2011,32(2):91-94.
[4]刘宏宇,梁海涛,梁永祥,等.稀土磁盘在轧钢废水处理中的应用[J].冶金设备,2004(1):62-64.
[5]蒋礼,罗贵昌.浸没式MBR在钢铁厂废水处理中的应用[J].冶金丛刊,2011(5):40-43.
[6]张运华,甘复兴,李梦,等.以MBR为主体的新型组合工艺处理冷轧乳化液废水工业中试研究[C]//第三届膜分离技术在冶金工业中应用研讨会论文集.北京,2009:76-79.
[7]王平,周少奇.人工湿地研究进展及应用[J].生态科学,2005,24(3):278-281.
[8]汤显强,黄岁樑.人工湿地去污机理及其国内外应用现状[J].水处理技术,2007,33(2):9-13.
[9]孙桂琴,董瑞斌,潘乐英,等.人工湿地污水处理技术及其在我国的应用[J].环境科学与技术,2006,29(增):144-146.
[10]张景来,王剑波,常冠钦,等.冶金工业污水处理技术及工程实例[M].北京:化学工业出版社,2003:224-245.
[11]吴作成.轧钢(连铸)废水的特点及水处理工艺技术分析[C]//2006年全国给排水技术信息网年会论文集.2006:171-177.