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Separating an air-blown waste stream
Q: I'm looking for an appropriate technology to separate an air-blown waste stream that contains sub 100 micron powder and water. A 20% moisture product is passed through a piece of equipment that splits the water from the base material and reduces it to a fine powder. I need to then remove the moisture from the air stream before it is re-absorbed into the powder. This is so that the powdered component of the stream can be reintroduced into a dry milling facility. This needs to operate at up to 20tph (i.e., 4tph of moisture is stripped out). Can you help or point me in the right direction?
A: My only recommendation would be a flash dryer. Ove Christiansen wrote a good summary on this in CEP, "Find the Optimum Flash Dryer to Remove Surface Moisture", Vol.97/No.8, pg 54-58.
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