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Title: Removal and recovery of lead from aqueous solution using supported liquid membrane
Authors: Anupama, R
Palanivelu, K
Keywords: Liquid membrane;recovery;lead;iodo system;tri butyl phosphate
Issue Date: Jul-2005
Publisher: CSIR
IPC Code: B01D61/38
Abstract: A laboratory study was conducted to remove and recover lead from aqueous solution using supported liquid membrane (SLM) process. Preliminary solvent extraction studies, on lead revealed the iodo system with tributyl phosphate (TBP) as liquid membrane and sodium hydroxide as strippant to be an efficient one. Using synthetic lead(II) solution, the process parameters like feed side pH, strippant concentration, KI concentration and stirring speed were optimized. The initial lead concentration of 25 mg/L gave satisfactory result with complete removal and recovery in 4 h of operation with a permeability coefficient of 1.146 × 10-5 m/s.
Page(s): 436-440
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.12(4) [July 2005]

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