Liquid membrane system for the removal of nitrate from water

Details Liquid membrane system for the removal of nitrate from water Liquid membrane system for the removal of nitrate from water

1985-03-13

1987-04-28

Hruskoci, Peter

Liquid purification or separation

Processes

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

210643, 210903, 2103211, 252364, 423DIG14, C02F 126

Patent

active

046612572

ABSTRACT:
Quaternary ammonium salts are disclosed which are highly effective as complexing agents for the extraction of hydrogen ion and anions such as nitrate from an aqueous feed solution via a coupled ion transport mechanism employing supported liquid membranes.

REFERENCES:
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patent: 2184279 (1939-12-01), Christiansen
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patent: 3966594 (1976-06-01), Ohkawa et al.
patent: 4292181 (1981-09-01), Li et al.
patent: 4400296 (1983-08-01), Batzer et al.
patent: 4437994 (1984-03-01), Baker
patent: 4461709 (1984-07-01), Batzer et al.
M. M Kreevoy et al, Environmental Science & Technology, vol. 16, p. 635, (1982).
W. C. Babcock et al, Coupled Transport Membrane for Uranium Recovery, Int'l Solvent Extraction Conf., Liege, Belgium (1980).
W. C. Babcock et al, Int'l Solvent Extraction Conf. (Proc.), Denver, Colorado (1983), p. 373.

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