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SOLIDIFICATION STABILIZATION PROCESS FOR STEEL FOUNDRY DUST USING CEMENT-BASED BINDERS - INFLUENCE OF PROCESSING VARIABLES
被引：11
作者：
ANDRES, A
IRABIEN, JA
机构：
[1] Departamento de Química, Escuela Politécnica Superior de Ingeniería, Universidad de Cantabria, 39001 Santander, Calle Sevilla
关键词：
STEEL FOUNDRY DUST;
WASTE CHARACTERIZATION;
TOXICITY REDUCTION;
METALLIC WASTES;
SOLIDIFICATION STABILIZATION;
TOXICITY;
BIOLUMINESCENT;
D O I：
10.1006/wmre.1994.1030
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ;
0830 ;
摘要：
The influence of processing variables: mixing time, waste/binder ratio and water/solid ratio on the solidification/stabilization process of steel foundry dust has been studied. The characterization of the final product was based on the Toxic Characterization Leaching Procedure (TCLP) followed by the biotoxicity (biluminescence assay) and concentration of the metals, Cr, Cd, Pb and Zn in the leachates. The final product characteristics depend mainly on the waste/binder ratio, as a function of the metal hydroxide solubilities. The results of this work allow one to establish the optimization of a solidification/stabilization process for steel foundry dust.
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页码：405 / 415
页数：11
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