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- process ammonia nitrogen 氨氮
- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
- The study shows that the A/O Process can effectively degrade and eliminate the ammonia nitrogen and total nitrogen in Refinery Wastewater. 采用A/O工艺能够有效降解脱除炼油废水中的氨氮，出水水质可达到国家规定的排放标准。
- It is concluded that KDF resin can remove the ammonia nitrogen in water efficiently,and in the adsorption process it has steady filtration loss head and can be easily regenerated. 实验结果表明:KDF树脂可以有效去除水中氨氮,过滤水头稳定易于再生。
- The results of tests show that TN removal rate higher than 10% could be reached in the aerobic denitrification process of common activated sludge technique for the ammonia nitrogen rich leachate. 连续动态试验研究表明;对于高浓度氨氮渗滤液;普通活性污泥法的好氧反硝化工艺的总氮去除率可达10%25以上.
- This article evaluated uncertainty of determination by analyzing ammonia nitrogen determination process by Nessler's reagent colorimetric method,some important factors affecting results was obtained. 通过纳氏试剂光度法测定水中氨氮过程的分析,对测定不确定度作出评估,得出影响评定测定结果几种重要因素。
- Due to higher content of protein in chondroitin sulfate wastewater and low measured value of ammonia nitrogen, organic nitrogen was neglected in designing wastewater treatment process. 硫酸软骨素废水中蛋白质含量虽然较高,但氨氮测定值较低,导致有机氮问题在设计时容易被忽视。
- This article evaluated uncertainty of determination by analyzing ammonia nitrogen determination process by Nessler's reagent colorimetric method, some important factors affecting results was obtained. 摘要通过纳氏试剂光度法测定水中氨氮过程的分析，对测定不确定度作出评估，得出影响评定测定结果几种重要因素。
- The major pollution indicators in the Yangtze River system are petroleum and ammonia nitrogen. 长江水系的主要污染指标是石油类、氨氮和高锰酸盐指数。与上年相比，水质持平。
- The experiment indicates that the ammonia nitrogen content in the synthesized CNN is 22.78%,and its total nitrogen content comes to 35.08%. 实验表明;合成的CNN中氨态氮含量22.;78%25;总氮含量35
- In this article,the advances in studies on the treatment of ammonia nitrogen wastewater is introduced,and the research trend of this techni... 重点介绍了鸟粪石沉淀法处理氨氮废水目前的研究进展,并探讨了该技术在今后的研究趋势。
- In soilless culture, we should pay attention to proper adjust the ratio of nitrogen to potassium and the ratio of ammonia nitrogen to total nitrogen. 在无土栽培中要注意适当调节氮钾比和氨态氮与总氮的比例。
- A study on high ammonia nitrogen and low C/N ratio sewage reclamation using Self-forming Dynamic Membrane Bioreactor was presented in this thesis. 本文采用自生生物动态膜反应器工艺来处理高氨氮、低碳氮比污水,着重研究动态膜生物反应器中氨氮的硝化情况。
- The ratio of isoparametric discharge pollution loading was applied to assess the environmental impact of ammonia nitrogen on the surface water bodies. 应用污染物等标排放负荷比进行农业非点源氨氮污染环境影响评价。
- Presents the reduction and operation of pre-reducing catalyst A301 in Braun process ammonia converter of Jianfeng Chemical Complex,analyzes and summarizes the operating result of the catalyst,providing references for catalyst type selection in future. 介绍A3 0 1预还原催化剂在建峰化工总厂布朗工艺合成塔中的还原及运行 ,分析总结该催化剂的使用效果 ,为以后氨合成催化剂选型提供参考
- The result showed that phytoplankton,bacteria,ammonia nitrogen and nitrite nitrogen have different pollution level in different water. 通过分析，浮游植物、细菌、非离子氨和亚硝酸盐氮等因子在不同的水体中表现出不同程度的污染。
- The performances of different powdered zeolites for removing low-concentration ammonia nitrogen from water were compared through batch experiments. 通过静态试验比较了不同产地粉末状沸石去除水中低浓度氨氮的性能。
- In this paper the removal efficiency of MBR to organic matters and ammonia nitrogen is investigated by operation mode of intermittence aeration. 主要通过间歇曝气的运行方式来考察MBR对有机物和氨氮的去除效果。
- After analyzing the characteristics of ammonia nitrogen pollution in Huaiyin section of Salt river,the sources of ammonia nitrogen are investigated. 在分析盐河淮阴段氨氮污染的特征后,对氨氮的来源进行了研究。
- Septic tank effluent (STE) is a typical form of sewage contenting with high ammonia nitrogen (AN), total nitrogen (TN), and total phosphorus (TP). 用Langmuir方程拟合的9种基质磷的最大吸附量从大到小的排列顺序为草炭、高炉渣人工土、高炉渣、煤灰渣人工土、耕层土、煤灰渣、中粗砂人工土、中粗砂、砾石。
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