{TAIL ~ The reactor} may contain a plurality of {HEAD ~ the spaced internal discs} that cause shearing of the slurry to generate and entrain bubbles therein 
{ TAIL ~ The reactor } may contain a plurality of { HEAD ~ the spaced internal discs } that cause shearing of the slurry to generate and entrain bubbles therein
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH