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Title: Studies of metal ion uptake behaviour of formaldehyde condensed resins of phenolic Schiff bases derived from the reaction of 4,4' -diaminodiphenyl and 4, 4' -diaminodiphenylmethane with o-hydroxybenzaldehyde
Authors: Dey, R K
Acharya, S
Samal, S
Ra, A R
Keywords: Metal ion;Formaldehyde;Resin;Schiff bases;Adsorption
Issue Date: Sep-2004
Publisher: NISCAIR-CSIR, India
IPC Code: C08 G 8/10, GOI N 33/44
Abstract: The metal ion uptake characteristics of two new chelating resins, o-HB-DDM-HCHO and o-HB-DD-HCHO, were examined towards transition metal ions like Cu2+, Ni2+ and UO22+ under both competitive and non-competitive conditions. The resin o-HB-DDM-HCHO was found to be more effective in removing metal ions in comparison to resin o-HB-DDHCHO. Preferential adsorption of Cu2+ by both the resins was observed from the mixture of salt solution. Elution of the sorbed metal ions using dilute HCI resulted in removal of nearly 30-40% of the loaded Cu2+ and 34-45% of loaded UO22+ from the resin column.
Page(s): 695-703
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.11(5) [September 2004]

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