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