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佳快乐6

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[求助] 请急救！谢谢！英语翻译（化学化工专业英语）

Filter media control the filtration process. For a particular slurry, the filter media determine whether the filtration will produce a cake, capture particles within the depth of the media, whether the particles in the slurry will clog the media, or whether the media will be ineffective in particle removal.
Filter media come in a wide range of materials and forms. Some of the major types are listed in Table 1. A successful filter medium often requires a combination of various properties, as listed in Table 2. A discussion of these properties is provided by Purchas (4) and Purchas (5).

In addition to the above forces ,there are secondary mechanisms that may also be applied directly cause the separation or indirectly to enhance one of the other methods . magnetic: magnetic fields are very useful for separating iron and magnetic ores . they can efficiently remove submicron-sized particles . the magnets require periodic cleaning to remove the captured particles. Capital and operational costs can be high and are directly related to the strength of the applied magnetic field .the main advantage is that separation is highly efficient and can be carried out at high flow rates with minimum head loss across the filter.

[ Last edited by 佳快乐6 on 2012-6-2 at 18:03 ]

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