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- biological filter bed 生物滤床
- 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。
- 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。
- 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。
- BAF(Biological Aerated Filter) is a new technology developed from the base of the common biological filter. 曝气生物滤池是在普通生物滤池的基础上开发的污水处理新工艺。
- An aerated biological filter was used to pretreat the alkaline wastewater in refinery. 采用曝气生物滤池氧化工艺对炼油厂碱水进行预处理。
- Biological turnplate,bio-contacter,biological filter and mechanical filter are adopted in foreign countries. 国外大多采用生物转盘,生物接触池,生物滤池,机械过滤装置等方法处理,但造价太高,不适合我国国情。
- As prefilter medium, protects the biological filter material from rapid silting. 用于前过滤时，能保障过滤系统畅通无阻。
- Chemical detector, NBC suits, population protection hoods, gas mask, biological filter. 化学药品检测器;三防(NBC)套装;集体防护罩;防毒面具;生物过滤设备.
- It was showed that aeration biological filter and general filter could effectively remove organics,NH3-N and SS in sewage. 结果表明,曝气生物滤池和过滤的方法能有效去除污水中的有机物、NH3-N和SS等。
- 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。
- Pilot scale downgrade flow aeration biological filter with fillings whose density is heavier than water density was tested to treat wastewater from cigarette production. 采用下向流重质填料生物曝气滤池对某卷烟厂生产废水处理进行了中试研究。
- Pilot test was made to study the treatment effects of traditional Chinese medicine wastewater by hydrolysis acidification and two-stage aerated biological filter(BAF). 通过模型试验研究了水解酸化两级曝气生物滤池处理中药废水的效果。
- Domestic wastewater was treated by anaerobic biological filter and aerated biological carbon filter under the condition of the lower temperature in spring. 在春季低温条件下,利用厌氧生物滤池、好氧生物炭滤池处理生活污水,比较两者的性能,探讨低成本处理生活污水的方法。
- 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
- The operation of hydrolysis acidification/pre-denitrification up-flow biological filter in Jingmen Fengle Wastewater Treatment Plant was introduced and summarized. 结合江门市丰乐污水处理厂工程,介绍和总结了水解酸化/前置反硝化上向流生物滤池工艺及其运行情况。
- 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；
