Acid extraction by supported liquid membranes containing basic carriers
The extraction of HNO/sub 3/ (nitric acid) from aqueous solutions by permeation through a number of supported liquid membranes containing basic carriers dissolved in diethylbenzene has been studied. The results have shown that the best permeations are obtained with long chain aliphatic amines (TLA, Primene JM-T) followed by TOPO (trioctylphosphine oxide) and then by other monofunctional and bifunctional organophosphorous basic carriers. The influence of an aliphatic diluent on the permeability of HNO/sub 3/ through a supported liquid membrane containing TLA as carrier was also investigated. In this case the permeability to HNO/sub 3/ decreases as a result of the lower diffusion coefficient of the acid-carrier complex in the more vicous aliphatic solvent. 4 figures.
- Research Organization:
- Argonne National Lab., IL
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 5596961
- Journal Information:
- Solvent Extr. Ion Exch.; (United States), Vol. 1:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
NITRIC ACID
DIFFUSION
EXTRACTION
POTENTIOMETRY
POLYPROPYLENE
PERMEABILITY
SORPTIVE PROPERTIES
ADSORPTION
ALKANES
AMINES
AQUEOUS SOLUTIONS
AROMATICS
COMPARATIVE EVALUATIONS
DATA ANALYSIS
EXPERIMENTAL DATA
MEDIUM TEMPERATURE
MEMBRANE TRANSPORT
MEMBRANES
MICROSTRUCTURE
MIXING
ORGANIC SOLVENTS
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
TEMPERATURE DEPENDENCE
TIME DEPENDENCE
TOPO
WATER
CHEMICAL ANALYSIS
CRYSTAL STRUCTURE
DATA
DISPERSIONS
HYDROCARBONS
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
POLYMERS
POLYOLEFINS
SEPARATION PROCESSES
SOLUTIONS
SOLVENTS
SORPTION
SURFACE PROPERTIES
TITRATION
400105* - Separation Procedures
400102 - Chemical & Spectral Procedures