Stability and effect of diluents in supported liquid membranes for Cr(III), Cr(VI), and Cd(II) recovery
Journal Article
·
· Separation Science and Technology; (USA)
- Univ. of Calabria (Italy)
Some results obtained with the aim of optimizing the permeation fluxes, separation factors, and stability of SLM's are described. A flat sheet polypropylene membrane was used in all the experiments. The ions on which the SLM's were tested were Cr(III), Cr(VI), and Cd(II). The carriers were dinonylnaphthalene sulfonic acid (DNNSA), Aliquat 336, and Alamine 336. The diluents were o-xylene, kerosene, n-heptane, and their mixtures. Among the various mixtures tested for membrane impregnation, a maximum separation factor of 15.0 by using the SLM 50% v/v DNNSA + 25% v/v o-xylene + 25% v/v kerosene was obtained. The stability of this membrane was greater than 70 hours of continuous operation. The effect of temperature in the 25-35{degree}C range was also investigated.
- OSTI ID:
- 6171106
- Journal Information:
- Separation Science and Technology; (USA), Journal Name: Separation Science and Technology; (USA) Vol. 24:12-13; ISSN SSTED; ISSN 0149-6395
- Country of Publication:
- United States
- Language:
- English
Similar Records
Synergic extraction of Sm(NO/sub 3/)/sub 3/ and Gd(NO/sub 3/)/sub 3/ by a mixture of tributyl phosphate and Aliquat 336 in AMSCO and ammonium nitrate medium
Synergistic extraction of Sm(NO/sub 3/)/sub 3/ and Gd(NO/sub 3/)/sub 3/ by a mixture of tributyl phosphate and Aliquat 336 in AMSCO and ammonium nitrate medium
Membrane-mediated extractive fermentation for lactic acid production from cellulosic biomass
Conference
·
Fri Dec 31 23:00:00 EST 1982
·
OSTI ID:5783621
Synergistic extraction of Sm(NO/sub 3/)/sub 3/ and Gd(NO/sub 3/)/sub 3/ by a mixture of tributyl phosphate and Aliquat 336 in AMSCO and ammonium nitrate medium
Journal Article
·
Fri Dec 31 23:00:00 EST 1982
· Sep. Sci. Technol.; (United States)
·
OSTI ID:6212635
Membrane-mediated extractive fermentation for lactic acid production from cellulosic biomass
Journal Article
·
Tue Dec 30 23:00:00 EST 1997
· Applied Biochemistry and Biotechnology
·
OSTI ID:576247
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
54 ENVIRONMENTAL SCIENCES
540320 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
ALKYLATED AROMATICS
AQUEOUS SOLUTIONS
AROMATICS
CADMIUM
CHROMIUM
DATA
DISPERSIONS
ELEMENTS
EXPERIMENTAL DATA
FUELS
HYDROCARBONS
INFORMATION
KEROSENE
LIQUID FUELS
MEMBRANES
METALS
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROLEUM PRODUCTS
POLYMERS
POLYOLEFINS
POLYPROPYLENE
SEPARATION PROCESSES
SOLUTIONS
STABILITY
SUPPORTED LIQUID MEMBRANES
TEMPERATURE EFFECTS
TRANSITION ELEMENTS
XYLENES
400105* -- Separation Procedures
54 ENVIRONMENTAL SCIENCES
540320 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
ALKYLATED AROMATICS
AQUEOUS SOLUTIONS
AROMATICS
CADMIUM
CHROMIUM
DATA
DISPERSIONS
ELEMENTS
EXPERIMENTAL DATA
FUELS
HYDROCARBONS
INFORMATION
KEROSENE
LIQUID FUELS
MEMBRANES
METALS
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROLEUM PRODUCTS
POLYMERS
POLYOLEFINS
POLYPROPYLENE
SEPARATION PROCESSES
SOLUTIONS
STABILITY
SUPPORTED LIQUID MEMBRANES
TEMPERATURE EFFECTS
TRANSITION ELEMENTS
XYLENES