Gravity Separation . Gravity separation uses differences in specific gravity (SG) between various minerals to achieve a separation, and is normally a wet process although examples of dry gravity separators exist. Gravity separation works best when there is a large difference in the SG in the minerals to be separated, and the particle size is similar and not excessively fine, and shape is
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Get PriceLes proportions massiques peuvent être évaluées en multipliant les proportions volumiques par le rapport de la masse molaire du gaz considéré divisé par la masse molaire de l'air soit 28,976 g · mol-1, par exemple dans le cas du CO 2.Ce rapport n'est pas négligeable puisqu'il vaut 44/28,976 = 1,52 d'où la teneur massique en CO 2 dans l'air égale à 382×1,52 = 580 ppm.
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