SOLVENT EXTRACTION OF PALLADIUM WITH DIHEXYL SULFIDE

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

KATSUTOSHI INOUE¹  YOSHINARI BABA¹  TOSHIYA EGUCHI¹ 

[1] Department of Industrial Chemistry, Saga University

关键词: Extraction;    Equilibrium;    Kinetics;    Palladium;    Dihexyl Sulfide;    Chloride Solution;   

DOI  :  10.1252/jcej.19.361

来源: Maruzen Company Ltd

【 摘 要 】

References(18)Cited-By(20)The mechanism of palladium extraction from aqueous ammonium chloride solutions with dihexyl sulfide in toluene was investigated at 303 K from the viewpoints of extraction equilibrium and kinetics. The result of a loading test suggests that palladium is extracted as a 1:2 metal-reagent complex. The concentration dependencies of the reactant species were examined using a stirred transfer cell with a constant interfacial area to investigate the extraction rate mechanism. The observed extraction rate was reasonably explained in terms of a simple reaction scheme involving complex formation between the intermediate complex adsorbed at the interface and a free extractant molecule dissolved in the aqueous phase as the rate-determining step.

【 授权许可】

Unknown