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biofiltration process
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  直接过滤工艺
     Using Micro-flocculation Deep-bed Biofiltration Process for Advanced Treatment of Urban Wastewater
     深床直接过滤工艺深度处理城市污水
短句来源
     Micro-flocculation deep-bed biofiltration process was used for advanced treatment of secondary effluent from urban wastewater treatment plant, and investigation was made for the feasibility and operational condition of simultaneous nitrogen and phosphorus removal.
     采用深床直接过滤工艺对城市污水处理厂的二级出水进行了深度处理 ,考察了同步脱氮除磷的可行性和运行条件。
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  “biofiltration process”译为未确定词的双语例句
     (5) The loss of microorganism available nitrogen in the media occurred during the biofiltration process and resulted to the deterioration of the performance of the biofilter.
     (5)随着污染物去除过程的进行,填料中生物可利用氮的含量逐渐降低,并最终成为影响生物过滤效率的限制因素。
短句来源
     The results showed that the influent DO and the microbial activity were increased by permanganate composite chemicals preoxidation, thus the effectivness of biofiltration process on revmoving organic pollutants and
     高锰酸盐复合剂预氧化与生物过滤联用是去除饮用水中污染物很有应用前景的新工艺。
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  相似匹配句对
     In the process of the E.
     E.
短句来源
     process.
     工艺的优劣分析。
短句来源
     Using Micro-flocculation Deep-bed Biofiltration Process for Advanced Treatment of Urban Wastewater
     深床直接过滤工艺深度处理城市污水
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  biofiltration process
Perlite offers an opportunity of running a biofiltration process at a lower and stable pressure drop if the nutrient supplementation is managed properly.
      
The removal of a mixture of painting solvents from waste air using a biofiltration process was evaluated in this project.
      
The biofiltration process is then based on two principal phenomena: (1) transfer of contaminants from the air to the water phase or support medium, (2) bioconversion of pollutants to biomass, metabolic end-products, or carbon dioxide and water.
      
Improvement of the biofiltration process commonly used for the removal of odorous compounds has led to a better control of key parameters, enabling the application of biofiltration to be extended also to the removal of VOCs.
      
A biofiltration process was developed for styrene-containing off-gases using peat as filter material.
      
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Micro-flocculation deep-bed biofiltration process was used for advanced treatment of secondary effluent from urban wastewater treatment plant, and investigation was made for the feasibility and operational condition of simultaneous nitrogen and phosphorus removal. The study result indicated that by addition of Fe+{3+}, more than 90% of PO+{3-}-4-P can be removed with the aid of micro-flocculation filtration; when methanol is added as external carbon source in the front of filter and simultaneous removal...

Micro-flocculation deep-bed biofiltration process was used for advanced treatment of secondary effluent from urban wastewater treatment plant, and investigation was made for the feasibility and operational condition of simultaneous nitrogen and phosphorus removal. The study result indicated that by addition of Fe+{3+}, more than 90% of PO+{3-}-4-P can be removed with the aid of micro-flocculation filtration; when methanol is added as external carbon source in the front of filter and simultaneous removal of nitrogen occurs in the filter, 97% of NO+--3-N can be romoved and TSS in the effluent is less than 10 mg/L. At filter rate of 10 m/h, non-expanded backwash is used in combination of air-water backwash, the filter cycle may be as long as 40h.

采用深床直接过滤工艺对城市污水处理厂的二级出水进行了深度处理 ,考察了同步脱氮除磷的可行性和运行条件。研究表明 ,通过铁盐絮凝剂的加入 ,借助微絮凝直接过滤可有效去除水中的PO3 -4 -P(去除率 >90 %) ;通过在滤池前加入甲醇作为外碳源 ,在滤池中进行同步脱氮 ,对NO-3 -N的去除率达 97%,可使出水的TSS <10mg L ;滤速为 10m h时采用无膨胀反冲洗与气水联合反冲洗相结合的冲洗方式可使过滤周期长达 4 0h左右。

 
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