Coupled transport of Pb2+ through tri‐n‐octylamine‐xylene‐polypropylene supported liquid membranes. (13th July 2012)

• Record Type: Journal Article
• Authors: ur Rehman, Saeed; Akhtar, Gul; Chaudry, M. Ashraf
• Is Part Of: Canadian journal of chemical engineering. Volume 91:Number 6(2013)
• Page Start: 1140
• Page End: 1152
• Publication Date: 2012-07-13
• Subjects: Chemical engineering -- Periodicals; Technology -- Periodicals; 660.05
• DOI: 10.1002/cjce.21712
• Languages: English
• ISSNs: 0008-4034

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>Transport of Pb²⁺ was carried from acidic solution into alkaline stripping phase through tri‐<italic>n</italic>‐octylamine‐xylene‐polypropylene supported liquid membrane. The transport of Pb²⁺ through the membrane was studied by varying the concentration of Pb²⁺ and HNO₃ in feed solution, NaOH concentration in strip solution and TOA concentration in membrane phase. The flux data obtained has been used to study the stoichiometry of complex Pb(NO₃)_{<italic>n</italic>+2}(HNR₃)_{<italic>n</italic>}. The supported liquid membrane (SLM) has been found stable for 10 runs with 24 h between each run. This SLM has been used effectively to extract lead ions along with chromium, copper and zinc ions from aqueous acidic leached solution of paint and industrial effluents. © 2012 Canadian Society for Chemical Engineering</p> </abstract>