The reaction product is crystallized by heating {HEAD ~ the slurry} in the drownout tank under {TAIL ~ reflux} at a temperature of about 93° C. while stirring for at least about 6 hours, and up to about 16 hours 
The reaction product is crystallized by heating { HEAD ~ the slurry } in the drownout tank under { TAIL ~ reflux } at a temperature of about 93 ° C. while stirring for at least about 6 hours , and up to about 16 hours
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH