{HEAD ~ The separator} is {TAIL ~ a quiescent bubble pulp separation column} where the hydrodynamics favors the separation of bubble particle aggregates from the pulp with essentially little or no turbulence 
is
{ HEAD ~ The separator } is { TAIL ~ a quiescent bubble pulp separation column } where the hydrodynamics favors the separation of bubble particle aggregates from the pulp with essentially little or no turbulence
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH