A novel method of reducing metal impurities in aqueous alkali metal halide solutions, especially alkaline earth metal ions, and to novel organic solvent compositions having a synergistic activity for removal of metal impruties from aqueous solutions.
申请公布号
US4215009(A)
申请公布日期
1980.07.29
申请号
US19780940273
申请日期
1978.09.07
申请人
ORONAZIO DE NORA IMPIANTI ELETTOCHIMICI,
发明人
CASTOLDI, ALDO;GIUFFRE, LUIGI;SIOLI, GIANCARLO;SPAZIANTE, PLACIDO M
