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1)  tapered aeration
渐减曝气
1.
Themethods to draw oxygen demand curve with the models and to designing the tapered aeration process of the tank are proposed.
分别对推流式曝气池的有机物降解模式和需氧模式进行了推导,并提出了同时运用这两个模式绘制需氧量曲线,将推流式曝气池设计成渐减曝气工艺的方法。
2)  tapered aeration
渐减曝气法
3)  degression [英][di'greʃən]  [美][dɪ'grɛʃən]
渐减
4)  aeration [英][,eiə'reiʃən]  [美][,eə'reʃən]
曝气
1.
Treating dyeing wastewater by catalystic iron inner electrolysis process with aeration;
曝气催化铁内电解法对印染废水预处理的试验
2.
Discussion on aeration repair theory of oil pollution of groundwater;
地下水石油污染曝气修复理论探讨
3.
Renovation of Polluted River Water by Artificial Reaeration;
人工曝气复氧整治污染河流
5)  aerating [英]['eiəreit]  [美]['eə,ret]
曝气
1.
Design optimization were adopted in aerating and sedimentation when municipal sewage was treated by CASS(Cyclic Activated Sludge System),which was useful to save running power cost and process administration optimization.
采用循环式活性污泥法(CASS)工艺处理城市生活污水,并对曝气和沉淀排水阶段进行设计优化,利于节能及优化运行。
6)  Aerate [英]['eəreɪt]  [美]['ɛ'ret]
曝气
1.
92 mg/L(the addition is half of the theory),aerated pressure is 40 kg/cm2 and aerated time is 1 h,the water treated by this method may be met the criterion of drinking water.
采用在水中投加适量高锰酸钾并同时曝气的混合方法,来处理模拟地下水中的Mn2+。
2.
With being aerated for 4 to 12 hours ,the rate of removing COD Cr ,BOD 5 and NH 3 N from the outlet of SBR tanks reaches 85%~95%.
当曝气时间为 4~ 12h时 ,SBR泄出水CODCr、BOD5及氨氮的去除率分别能达到 85 %~ 95 %、90 %~ 95 %和 6 5 %~ 80 % ,从而大大降低了垃圾渗滤液治理工艺中后续处理阶段的负荷 。
补充资料:渐减曝气法
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性质:又称变量曝气(法)。是废水活性污泥法的一种改良型。为适应曝气池进水口至出水口之间混合液中有机负荷不同的需要,对曝气池的不同部分供给不同空气量,入口处供给空气量较多,出口附近则较少,使得空气量与混合液的需氧量大致成正比。此法可节省供氧量,不需设置初次沉淀池。

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