The separation of chromium using the emulsion liquid membrane sysytem was studied.Kerosene was used as membrane solvent,and span 80 was used as surfactant.The factor of emulsifing time and mixing time,the concentratio...The separation of chromium using the emulsion liquid membrane sysytem was studied.Kerosene was used as membrane solvent,and span 80 was used as surfactant.The factor of emulsifing time and mixing time,the concentration of span80,the ratio of milk to water and oil phase to internal phase,the concentration of NaOH in internal phase and H2SO4 in external phase were discussed in detail.The optimum conditions were established.展开更多
文摘The separation of chromium using the emulsion liquid membrane sysytem was studied.Kerosene was used as membrane solvent,and span 80 was used as surfactant.The factor of emulsifing time and mixing time,the concentration of span80,the ratio of milk to water and oil phase to internal phase,the concentration of NaOH in internal phase and H2SO4 in external phase were discussed in detail.The optimum conditions were established.