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mfw553947967金蟲 (著名寫手)
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[求助]
論文翻譯求助~
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The efficiency of removing organic substances from source water by coagulation in clarifiers does not exceed 50–70%. The use in clarifiers of imported flocculants (among which are neutral ones like Accoflock No. 100, weakly cationite ones like Accoflock C-483, and anionite ones like Accoflock A-110 and Accoflock A-130) and domestically produced flocculants (PAA and VPK-402) allows the throughput capacity of clarifiers to be increased by 15–20% and the efficiency of removing organic matter to be improved by 10-20%. Metering powdered activated carbon into clarifier also somewhat increases the extent of removing organic impurities, but this operation requires up to 0.5 kg/t of activated carbon. In addition, the treatment of water in clarifiers requires bulky equipment and has well-known drawbacks as far as control and closed-loop regulation of its operation are concerned. |
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huangzx1314
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mfw553947967: 金幣+10, 翻譯EPI+1, ★★★★★最佳答案 2013-04-18 15:08:16
mfw553947967: 金幣+10, 翻譯EPI+1, ★★★★★最佳答案 2013-04-18 15:08:16
| 通過在過濾器凝固的作用去除水源中有機(jī)雜質(zhì)的效率一般不超過50–70%。在過濾器中使用進(jìn)口絮凝劑以及國產(chǎn)絮凝劑使得過濾器的吞吐能力提高15–20%，同時(shí)使得去除有機(jī)物質(zhì)的能力提高10-20%。進(jìn)口絮凝劑包括：中性絮凝劑像Accoflock No. 100, 弱陽離絮凝劑像Accoflock C-483，以及陰離子絮凝劑Accoflock A-110和 Accoflock A-130；國產(chǎn)絮凝劑包括PAA 以及 VPK-402。細(xì)粉狀活性炭用在過濾器中也可以在某種程度上提高去除有機(jī)雜志的效果，但是這一方法（處理）每噸（水）需要高達(dá)0.5Kg的活性炭。另外，通過過濾器處理水需要大量的設(shè)備，并且有其顯著的缺點(diǎn)，僅僅考慮到它操作中控制以及關(guān)閉管的管理就足以讓人擔(dān)憂了。 |
2樓2013-04-18 08:32:11
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