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spherical particles about 300 um in size with a density of 0.22 g/cm³ through a nozzle atomizer. Various ways of nozzle atomization can be used each having its own advantages and disadvantages. High speed rotating wheels operating at speeds of about 20,000 rpm are able to process up to 6000 lb of solution per hour. The use of spray wheels requires that the drying towers have a wide radius to avoid the atomized droplets collecting onto the drying chamber walls. This process can be completed in 5 - 30 seconds (dependent on

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