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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雜質(zhì)的效率一般不超過50–70%。在過濾器中使用進口絮凝劑以及國產(chǎn)絮凝劑使得過濾器的吞吐能力提高15–20%，同時使得去除有機物質(zhì)的能力提高10-20%。進口絮凝劑包括：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雜志的效果，但是這一方法（處理）每噸（水）需要高達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，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憂了。 |
2樓2013-04-18 08:32:11
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