Method and apparatus for extraction and recovery of ions from so

Details Method and apparatus for extraction and recovery of ions from so Method and apparatus for extraction and recovery of ions from so

1995-03-15

1999-02-09

Fortuna, Ana

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210638, 210639, 210 90, 2103218, 210644, B01D 1700

Patent

active

058689354

ABSTRACT:
A novel hollow fiber membrane-based synergistic extraction technique has been developed for removal and recovery of individual heavy metals from aqueous streams. This technique has a number of advantages over conventional solvent extraction, emulsion liquid membrane, and supported liquid membrane methods. It may be easily scaled up to meet the requirements for pollution control of heavy metals in industrial processes and selective separation hydrometallurgy.

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patent: 5114579 (1992-05-01), Takigawa
Guha et al., (1994) AIChE J. 40:1223-37.
Guha et al. A(1994) 20th Ann. EPA RREL Res. Symp.
Yun et al. (1993) Ind. Eng. Chem. Res. 32:1186-95.
Majumdar et al. (1989) J. Membrane Sci. 43:259-76.
Majumdar et al. (1988) AIChE J. 34:1135-45.
Sengupta et al. (1988) AIChE J. 34:1698-1708.
Danesi et al. (1987) J. Membrane Sci. 31:117-45.

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