Indian Journal of Science and Technology

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A Study on Expulsion of Cadmium (II) and Chromium (III) from Electroplating Effluent


Affiliations
1 Environmental Management Lab., Dept. of Chemical Engineering, A.C. Tech., Anna University, Chennai-60 025, India
2 Dept. of Chemistry, Velammal College of Engineering, Chennai- 600 066, India
3 Department of Chemistry, Alagappa Govt. Arts College, Karaikudi- 630 001, Tamilnadu, India
 

Chromium and cadmium are toxic heavy metals present in wastewater from electroplating industries. The removal of Cd (II) and Cr (III) by Amberjet, IR 1200, a synthetic ion exchange resin has been studied. The resin was prepared into two cationic forms H+ and Na+. The optimum conditions were concentration, pH, stirring time and resin amount. The exchange capacities, moisture content and optimum conditions of this resin were determined in a batch system. The stirring speed was 50 ppm during all the batch experiments. The initial and final chromium and cadmium amounts were determined using the atomic adsorption spectroscopy. The most preferable value of concentration is 10 mg/L; pH is 5.5, stirring time 30 min, amount of resin 200mg. The maximum removal and recovery for Cd (II) and Cr (III) was seen in Na+ form of resin.

Keywords

Cadmium, Chromium, Heavy Metal, Water Contamination, Resin, Ion-exchange, Extraction, Effluent
User

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  • A Study on Expulsion of Cadmium (II) and Chromium (III) from Electroplating Effluent

Abstract Views: 551  |  PDF Views: 100

Authors

V. Sathyaselvabala
Environmental Management Lab., Dept. of Chemical Engineering, A.C. Tech., Anna University, Chennai-60 025, India
P. Panneerselvam
Environmental Management Lab., Dept. of Chemical Engineering, A.C. Tech., Anna University, Chennai-60 025, India
R. Arulmozhli
Environmental Management Lab., Dept. of Chemical Engineering, A.C. Tech., Anna University, Chennai-60 025, India
K. V. Thiruvengadaravi
Dept. of Chemistry, Velammal College of Engineering, Chennai- 600 066, India
N. Thinakaran
Department of Chemistry, Alagappa Govt. Arts College, Karaikudi- 630 001, Tamilnadu, India
S. Sivanesan
Environmental Management Lab., Dept. of Chemical Engineering, A.C. Tech., Anna University, Chennai-60 025, India

Abstract


Chromium and cadmium are toxic heavy metals present in wastewater from electroplating industries. The removal of Cd (II) and Cr (III) by Amberjet, IR 1200, a synthetic ion exchange resin has been studied. The resin was prepared into two cationic forms H+ and Na+. The optimum conditions were concentration, pH, stirring time and resin amount. The exchange capacities, moisture content and optimum conditions of this resin were determined in a batch system. The stirring speed was 50 ppm during all the batch experiments. The initial and final chromium and cadmium amounts were determined using the atomic adsorption spectroscopy. The most preferable value of concentration is 10 mg/L; pH is 5.5, stirring time 30 min, amount of resin 200mg. The maximum removal and recovery for Cd (II) and Cr (III) was seen in Na+ form of resin.

Keywords


Cadmium, Chromium, Heavy Metal, Water Contamination, Resin, Ion-exchange, Extraction, Effluent

References





DOI: https://doi.org/10.17485/ijst%2F2009%2Fv2i11%2F29531