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