摘要 |
PCT No. PCT/FR93/00577 Sec. 371 Date Apr. 18, 1994 Sec. 102(e) Date Apr. 18, 1994 PCT Filed Jun. 15, 1993 PCT Pub. No. WO93/25298 PCT Pub. Date Dec. 23, 1993.A process is provided for the ultrafiltration of stabilized emulsions, such as cutting oils, which comprises circulating the emulsion through a chamber partially bounded by a porous membrane, and before the emulsion enters the said chamber, a small quantity of salt is introduced into it, corresponding to a weight ratio of salt/oil present in the emulsion between 0.01 and 0.2. |
申请人 |
ELF ANTAR FRANCE, COURBEVOIE, FR |
发明人 |
AURELLE, YVES, F-31140 AUCAMVILLE, FR;BELKACEM, MOHAMED, N, 17 EL HARRACH, ALGER, DZ;HADJIEV, DIMITRI, F-31000 TOULOUSE, FR;EDMOND, JULIEN, F-31240 SAINT-JEAN, FR;COTTERET, JACQUES, F-69390 MILLERY, FR |