ECONOMIC CONSIDERATIONS IN FLUIDIZED BED DRYING OF PASTES USING INERT PARTICLES

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Abstract
A fluidized bed of inert particles lpar;packing)--> can be used advantageously for the drying of paste-like materials of high moisture content. Wet pasty material is fed into a fluidized bed of chemically inert coarse particles. The wet material coats the surface of the inert particles. Drying takes place mainly in the thin layer formed on the surface of particles. After reaching a certain moisture content, the dried material film breaks off the surface of the packing particles, and leave the fluidized bed as a fine powder in the exit gas stream. Experiments were performed using different organic and inorganic materials e.g. raw materials from human and veterinary

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