In this work,the possibility of separation of Zn^2+and Cd^2+metal ions from chloride(brine)solutions was examined.For this purpose,simple solvent extraction(SX)experiments by di-2-ethylhexyl phosphoric acid(D2EHPA)in ...In this work,the possibility of separation of Zn^2+and Cd^2+metal ions from chloride(brine)solutions was examined.For this purpose,simple solvent extraction(SX)experiments by di-2-ethylhexyl phosphoric acid(D2EHPA)in kerosene as a diluent was performed on synthetic and industrial chloride solution obtained from brine leaching of zinc filter cakes(by-product of zinc hydrometallurgical processing).The optimal conditions for separation were determined.The zinc extraction efficiency was 99%with negligible co-extraction of cadmium.Therefore,a highΔpH0.5 value for Zn(Ⅱ)and Cd(Ⅱ)was achieved.FT-IR and slope analysis indicated that ZnClA·3HA and CdClA·3HA species were probably extracted.展开更多
基金the Zanjan Zinc Khalessazan Industries Company(ZZKICO),Znajan,IranScience and Research Branch,Islamic Azad University(IAU),Tehran,Iran for the financial and technical support of this work。
文摘In this work,the possibility of separation of Zn^2+and Cd^2+metal ions from chloride(brine)solutions was examined.For this purpose,simple solvent extraction(SX)experiments by di-2-ethylhexyl phosphoric acid(D2EHPA)in kerosene as a diluent was performed on synthetic and industrial chloride solution obtained from brine leaching of zinc filter cakes(by-product of zinc hydrometallurgical processing).The optimal conditions for separation were determined.The zinc extraction efficiency was 99%with negligible co-extraction of cadmium.Therefore,a highΔpH0.5 value for Zn(Ⅱ)and Cd(Ⅱ)was achieved.FT-IR and slope analysis indicated that ZnClA·3HA and CdClA·3HA species were probably extracted.
