It is particularly applicable to {HEAD ~ the operation} of {TAIL ~ loop reactors} which produce polyethylene or polypropylene where withdrawal of reaction slurry is continuously controlled by manipulating a v notch ball valve 
of
It is particularly applicable to { HEAD ~ the operation } of { TAIL ~ loop reactors } which produce polyethylene or polypropylene where withdrawal of reaction slurry is continuously controlled by manipulating a v notch ball valve
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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