{HEAD ~ The waste fluid} obtained by conducting {TAIL ~ the pressure crystallization} of the pressure crystallization waste fluid I and separating the crystals of the polar vinyl compound in the second step contains a small amount of the polar vinyl compound, so that the polar vinyl compound may be recovered from the above waste fluid  
obtained by conducting
{ HEAD ~ The waste fluid } obtained by conducting { TAIL ~ the pressure crystallization } of the pressure crystallization waste fluid I and separating the crystals of the polar vinyl compound in the second step contains a small amount of the polar vinyl compound , so that the polar vinyl compound may be recovered from the above waste fluid
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH