Disclosed are methods of recovering urea from a urea/oil complex by drying the complex, combining the complex with water to form a urea solution, and removing water from the urea solution. Methods for recycling the urea in urea complexation processes are also disclosed. Also disclosed are methods of recovering polyunsaturated fatty acids or derivatives thereof from the urea/oil complexes.
申请公布号
WO2014140864(A2)
申请公布日期
2014.09.18
申请号
WO2014IB01035
申请日期
2014.03.13
申请人
DSM NUTRITIONAL PRODUCTS AG
发明人
WANG, WEIJIE;MUGFORD, PAUL, FREDERICK;VAN DEN HEUVEL, THEOPHILUS, CORNELUS