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1)  biological sand filter
生物砂滤
1.
The results show that the biological sand filter can reach a turbidity removal efficiency of 76%~84% and 58%~79% under the conditions of normal and low temperature;Turbidity high in source water,the removal rate of turbidity is high,turbidity low in source water,the removal rate of t.
研究了生物砂滤柱对微污染水源水浊度的去除效果,分析了水温、进水浊度和有机物指标等对出水浊度的影响。
2.
Taking the Fuyang river as source waterthe problems of biological sand filter’s biological character and mechanism of removal turbidity in micro-polluted water were studied in this paper.
本文以邯郸市滏阳河水为水源,对生物砂滤处理微污染原水生物特性及除浊机理进行了研究,分析了生物砂滤对微污染原水中有机物、氨氮、浊度、铁、锰等的去除情况,探讨了去除污染物的影响因素,并应用属性层次模型对其进行了分析;重点对生物砂滤柱中的生物量和生物活性进行了分析,探讨了挂膜方式、水温、反冲洗等因素对生物量和生物活性的影响,对生物膜的厚度进行了直接显微法测定和理论计算,并对生物砂滤柱的充氧性能进行了分析;探讨了生物砂滤柱的除浊机理。
3.
The production and application problems of biological sand filter in treating micro-polluted water were studied in this paper,using the Fuyang River as source water.
本文以滏阳河水为水源,对生物砂滤处理微污染原水生产应用问题进行了理论研究。
2)  biological sand filtration
生物砂滤
1.
Characteristics of biological sand filtration system removing turbidity from micro-polluted source water and mechanism thereof;
生物砂滤去除微污染水源水浊度特性与机理研究
3)  biological sand filter
生物砂滤池
1.
The removal efficiency of NH_4~+-N in effluent of wastewater treatment plant by biological sand filter;
生物砂滤池对城市二级出水中氨氮的去除效果研究
2.
Taking water of Pearl River as water source, the removal of CODMn, NH3-N and NO2--N, turbidity by biological sand filter was studied.
当在常规工艺前加生物预处理并取消预加氯时,砂滤池就成为生物砂滤池。
3.
Based on operational characteristics of the biological sand filter,the natural biofilm formation and inoculated biofilm formation methods were compared through experiment.
根据生物砂滤池的运行特点,通过试验对自然挂膜和接种挂膜两种不同挂膜方法下,各滤柱中的生物量和生物活性,对CODMn、NH4+-N和UV254的去除效果以及运行周期进行了分析研究。
4)  biological sand filtration
生物砂滤网
1.
Experimental study on biological types during the process of biofilm colonization of biological sand filtration sewage treatment technology;
生物砂滤网工艺挂膜实验研究
5)  manganese mineral biological filtration
锰砂生物过滤
6)  Biological maganese sand Filter
生物锰砂滤池
补充资料:烧结玻璃砂滤坩埚
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性质:一种耐酸的玻璃滤器,有坩埚状和漏斗状,后者称烧结玻璃砂滤漏斗(sintered-glass filter funnel)。此种滤器的滤板是高温烧结玻璃熔接在主体上,有各种细度等级G1~G6。该滤器一般在小于500℃温度下使用。G1孔径20~30;滤除大沉淀物及胶状沉淀物用。G2孔径10~15;滤除大颗粒之沉淀物及气体洗涤用。G3孔径4.9~9;滤除细沉淀物及水银过滤用。G4孔径3~4;滤除液体中细或极细沉淀物用。G5孔径1.5~2.5;滤除较大杆菌及酵母菌用。G6孔径1.5以下;滤除1.4~0.6μm的病菌用。

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