Separation of liquid solutions by contained liquid membranes

Conference · Sat Oct 01 04:00:00 EDT 1988 · Sep. Sci. Technol.; (United States)

OSTI ID:5995928

Sengupta, A; Basu, R; Prasad, R; Sirkar, K K

The technique of contained liquid membranes (CLM) for liquid solution separation is discussed. The CLM is obtained by confining the membrane liquid between two sets of microporous hollow fibers (MHF). The lumen of the hollow fiber carries the feed or the strip solution under proper phase pressure condition vis-a-vis the membrane phase. Various possible structural configurations of the CLM are illustrated with respect to the nature of microporous hollow fiber substrate, the feed solution and the liquid membrane. The contributions of different resistances to the solute transport rate are identified. Some basic experimental data obtained in small CLM permeators are presented for two systems with organic liquid membranes to illustrate how steady state separation is achieved after an initial unsteady period. The considerable advantages of the CLM structure over more traditional liquid membrane techniques such as supported liquid membrane (SLM) with respect to membrane stability, membrane regeneration and feed equilibration are pointed out.

• Research Organization: Stevens Institute of Technology, Castle Point, Hoboken, NJ (USA)
• OSTI ID: 5995928
• Report Number(s): CONF-871038-
• Conference Information: Journal Name: Sep. Sci. Technol.; (United States) Journal Volume: 23:12,13
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
DATA
DISPERSIONS
EXPERIMENTAL DATA
FLUIDS
INFORMATION
LIQUIDS
MEMBRANE TRANSPORT
MEMBRANES
MIXTURES
NUMERICAL DATA
PERFORMANCE
SEPARATION PROCESSES
SOLUTIONS