The instant invention relates to froth flotation in general and more particularly to {HEAD ~ an efficient flotation column} that has higher flotation kinetics and is decidedly shorter than {TAIL ~ current column designs} 
is decidedly shorter than
The instant invention relates to froth flotation in general and more particularly to { HEAD ~ an efficient flotation column } that has higher flotation kinetics and is decidedly shorter than { TAIL ~ current column designs }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL