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- biological aerobic filter bed 曝气生物滤池
- Characters of biofilm and its microorganism population in biological aerobic filter 曝气生物滤池的生物膜及其微生物种群特征
- Keywords biological aerobic filter （BAF）;nitrogen removal;accumulation of nitrite;shortcut nitrification-denitrification;backwash; 曝气生物滤池;脱氮;亚硝酸盐积累;短程硝化反硝化;反冲洗;
- biological aerobic filter 曝气生物滤池
- biologic aerobic filter (BAF) 曝气生物滤池
- The result of removal of CODCr and NH3-N from urban sewage was experimentally investigated by using biological aerated filter bed with double filter material of slag and zeolite. 研究炉渣-沸石双层滤料曝气生物滤池处理城市污水中CODCr和NH3-N的去除效果,试验结果表明:滤池中两种滤料显示出良好的互补性,滤池对CODCr和NH3-N的去除率稳定;
- The filter bed is rinsed with the feed liquor for 3.5min. 冲洗3.;5min;纳污滤层即可复原。
- Wastewater biological film process is one of the wastewater biological aerobic treatment processes, it is also called fixed film process. 废水的生物膜处理法,是废水好氧生物处理法中除活性污泥法之外的又一大类方法,亦称之为固着生长法。
- Backwashing is one of the methods to maintain a filter bed clean. 反冲洗是保持滤床清洁的方法之一。
- The enough oxygen assures the aerobic treatment. In the traditional microbe filter bed,the oxygen is provided by physical ventilation,whether the supplied oxygen is abundant or not directly influences the treatment efficiency. 充足的氧气是进行好氧处理的保证,在传统的生物滤池中,靠的是自然通风供氧,供氧的好坏直接影响到生物滤池处理的效率。
- Backwashing is a critical part of effective operation of the novel aerobic filter used for wastewater tertiary treatment. 好气滤池是一种用于污水深度处理的新型滤池。
- Therefore,the combined process of self-circulating rotating biological disk(RBD)and aquatic plant filter bed(APFB)was designed to purify rural domestic wastewater in Taihu Lake Basin. 针对农村生活污水排放量小、有机物浓度相对偏低、日变化系数大、间歇排放且不易收集的特点,提出了自回流生物转盘与水生植物滤床组合工艺,并开展了处理太湖流域农村生活污水的研究。
- biological aerobic treatment of wastewater 废水需氧生物处理法
- biological aerobic denitrification 有氧反硝化
- The functions of the hydrophyte filter bed(HFB) for improving source water quality were surveyed in terms of microcystin and trace organic pollutants. 从对藻毒素和微量有机污染物的去除方面考察了水生植物滤床(HFB)在改善源水水质方面的效果。
- Filter bed should be exposurd as less as possible because alternation of exposure and immersion is disbennifit to the penetrability of filter bed. 依据水质资料分析了水源水质安全保障。
- When pH was 6.65, filtration rate was 8m/h and Do was 6.5mg/L, there existed the function relation between ferrous ions concentration and filter bed depth. 当pH为6.;65、滤速为8m/h、DO为6
- This paper discussed water liquor acts on micrinite in the calcareous clay at the bottom of saline aquifer and put forward the concept of filter bed of salinity. 本文讨论了咸质含水组底部钙化粘土微观粘粒与水溶液的相互作用，提出了“滤盐层”的概念。
- It is indicated from the reasearch result of clearing silt that, the penetrability can be better restored after clearing the silt on the surface of filter bed. 清淤试验研究结果表明，通过清除滤床表层淤泥可以使滤床的渗透性得到很好的恢复，清淤的办法需在取水工程停止运行的前提下进行；
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
