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Magically speaking, Saltpeter has a long, long, long history in hoodoo as an agent of magical protection in spritual baths and floor washes and as a shoe-sprinkle. Also, because it is an ingredient in Gunpowder, it is used in formulae which are hoped to produce quick (explosive) action, such as Block-Buster.
Solid-bowl centrifuge is used for dewatering the coal waste slurry along with plate-and-frame filter press in coal manufacturing to dewater the slurry before being disposed of. The slurry feed was attained from the underflow of a functioning bituminous coal-cleaning thickener device. The tested material is considered as an ideal material for the solid bowl centrifuge if the volume of solids and the volume of compaction come together within 90â120 seconds with a clear effluent. 2  The spinning of difficult material may require higher G force, i.e. 2500 x G.