Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1987-03-16
1989-10-10
Cintins, Ivars
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210903, B01D 1104
Patent
active
048729892
ABSTRACT:
A process is provided for selectively removing nitrate ions from solutions containing one or more additional ions, especially at high concentrations, by contacting the solution with amine-group-containing material under conditions of high kinetics. The process is particularly suitable for stripping nitrate from solutions which have been used to regenerate anion exchange resins loaded with nitrate ions.
REFERENCES:
patent: 4661257 (1987-04-01), Kreevoy et al.
Cintins Ivars
Rohm and Haas Company
Taylor, III John E.
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