(under subclass 56) Processes wherein particles are suspended by an upwardly directed fluid current.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
359, for a gas or vapor contact with solids process with fluid current conveying or suspension of treated materials.
210, Liquid Purification or Separation,
616, and 661 for processes of liquid treatment utilizing a static suspended bed and see (1) Note for other classes having art involving fluidized bed solid and fluid contacting.
