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Journal of Environmental Science and Health, Part A
Toxic/Hazardous Substances and Environmental Engineering
Volume 36, 2001 - Issue 6
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Original Articles

CEMENT-BASED STABILIZATION/SOLIDIFICATION OF METAL PLATING INDUSTRY SLUDGE

Chrisanthos Savvides Department of Chemical Engineering, National Technical University of Athens, 9, Heroon Polytechniou Str., Zografou Campus, Athens, 15773, GreeceCorrespondence[email protected]
,
Achilleas Papadopoulos Department of Chemical Engineering, National Technical University of Athens, 9, Heroon Polytechniou Str., Zografou Campus, Athens, 15773, Greece
,
Kathrine-Joanna Haralambous Department of Chemical Engineering, National Technical University of Athens, 9, Heroon Polytechniou Str., Zografou Campus, Athens, 15773, Greece
&
Maria Loizidou Department of Chemical Engineering, National Technical University of Athens, 9, Heroon Polytechniou Str., Zografou Campus, Athens, 15773, Greece
Pages 1129-1134 | Received 23 Aug 2000, Published online: 06 Feb 2007
 
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Abstract

This study examines the cement-based Stabilization/Solidification (S/S) technique of sludge produced from a metal plating industry. The sludge samples were characterized in terms of pH and heavy metal content (Cr, Cu, Fe, Ni, Pb and Zn). The leachability of the sludge was estimated using the Toxicity Characteristic Leaching Procedure (TCLP). Two binder mixtures were used for the S/S process, fly ash/cement and zeolite/cement. The weight ratio of the binder mixtures was optimized to achieve the highest strength.The optimum ratio binder mixtures was mixed with sludge samples of different weight ratios and cured for 28 days in order to find the S/S products with the highest strength and the lowest leachability.

Acknowledgments

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