Earliest Results in the Use of Activated Composite Membranes for the Transport of Silver Ions from Aqueous Solutions

摘要: This paper presents the results concerning first use of activated composite membranes (ACMs) for facilitated transport silver ions containing di-(2-ethylhexyl)-dithiophosphoric acid (DTPA) as carrier. DTPA was immobilized by interfacial polymerization in a dense layer that deposited porous layer, which prepared on nonwoven fabric support phase inversion. The influence fundamental parameters affecting ion carrier concentration membrane and stripping agent variation solution have been studied. In optimal conditions, amount transported across ACMs greater than 50%, whereas if content is modified, more 90% initial removed from feed phase.