{HEAD ~ Process} for the precipitation of aluminum trihydroxide from {TAIL ~ a supersaturated sodium aluminate solution} 
{ HEAD ~ Process } for the precipitation of aluminum trihydroxide from { TAIL ~ a supersaturated sodium aluminate solution }
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL