| 生物接触氧化法处理食品废水运行效果研究 |
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| 引用本文： | 武晓红,单桐.生物接触氧化法处理食品废水运行效果研究[J].湖北民族学院学报(哲学社会科学版),2011(2). |
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| 作者姓名： | 武晓红 单桐 |
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| 作者单位： | 山西林业职业技术学院林学系;太原理工大学环境科学与工程学院; |
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| 摘 要： | 采用缺氧/二级生物接触氧化法(A/BCO)处理食品废水,弥补当前工艺的缺陷,实现投资低、效果稳、污泥少、氨氮和CODcr高去除率.通过对废水中两个主要的指标CODcr和氨氮(NH3-N)的去除率进行水力停留时间(HRT)和气水比(GWR)研究.结果表明,随着HRT的延长,CODcr的去除率呈现较快的增长,之后速度放缓,并且开始呈下降的趋势.同时在此过程中,氨氮的去除率呈现不断上升的趋势,而去除率的增长速度呈不断下降的趋势,最终可以得到结论,最佳水力停留时间为10 h;对GWR而言,随着GWR的不断提高,CODcr去除率是先上升后下降,氨氮的去除率是先升高后平稳再略有下降,最终得到结论,GWR选择为15∶1为佳.
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| 关 键 词： | 缺氧/二级生物接触氧化法 食品废水 水力停留时间 气水比 |
Effect of Biological Contact Oxidation on Food Wastewater Treatment |
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| WU Xiao-hong,SHAN Tong.Effect of Biological Contact Oxidation on Food Wastewater Treatment[J].Journal of Hubei Institute for Nationalities(Natural Sciences),2011(2). |
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| Authors: | WU Xiao-hong SHAN Tong |
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| Institution: | WU Xiao-hong1,SHAN Tong2(1.Department of Forestry,Shanxi Forestry Vocational Technical Institute,Taiyuan 030009,China,2.College of Environmental Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,China) |
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| Abstract: | An anoxia /Two-stage biological contact oxidation(A/BCO) was employed for the treatment of food wastewater.Through the experimental observation of the two basilic index of CODcr and NH3-Ns' removal rate in the wastewater,it is useful to investigate hydraulic retention time and gas water ratio.The experimental research showed that CODcr removal rate grew rapidly in the beginning and later the growth speed was more and more slowly later.Furthermore,the CODcr removal rate tended to decline.At the same time,in ... |
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| Keywords: | anoxia/two-stage biological contact oxidation food wastewater hydraulic retention time gas water ratio |
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