More particularly, {HEAD ~ this invention} is directed to {TAIL ~ the use} of a non reacting, non condensing gas as a means of direct heat exchange into gaseous CO2 and gas exchange with gaseous CO2 inside the gels during depressurization to prevent condensation of CO2 
is directed to
More particularly , { HEAD ~ this invention } is directed to { TAIL ~ the use } of a non reacting , non condensing gas as a means of direct heat exchange into gaseous CO2 and gas exchange with gaseous CO2 inside the gels during depressurization to prevent condensation of CO2
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH