(under the class definition) Apparatus having plural separation means identifiable as separate units, (1) of different kinds, or (2) of the same kind but differing in shape or other structure other than different mesh size.
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124, for float control between two separators.
132, for a fluid pressure responsive by-pass and an additional separator.
142, for plural units operated by a program actuator.
151, for gas-liquid surface contact means and a separator.
155, for plural or diverse flumescreens. 182+, for a heater or heat exchanger and diverse separators.
188, for a liquid treater and gas separator.
189, for plural chambers with movement of granules therebetween.
195.1, for recirculation between serially connected distinct treating or storage units.
200+, for plural distinct separators and means to add a treating material.
223, for a magnetic and another separator.
252+, for serially connected distinct treating units with or without a storage unit.
263+, particularly subclasses 265, 266 and 284, for particulate bed type separators.
322+, for plural distinct separators of the same kind.
483+, particularly subclasses 488+ for single filter units formed by contacting filter mediums.
521+, for superposed compartment gravitational separators. 663+, for processes of ion exchange or sorption with preliminary separation.
806, for plural separating processes.
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209, Classifying, Separating, and Assorting Solids,
12.1+, for combined classifying, separating and assorting of solids.
