The process claim 1, further comprising the step of adding soap to the oil prior to contacting {HEAD ~ the oil} with {TAIL ~ the ultrafiltration membrane} 
with
The process claim 1 , further comprising the step of adding soap to the oil prior to contacting { HEAD ~ the oil } with { TAIL ~ the ultrafiltration membrane }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL