首页> 外文期刊>Journal of Solid Waste Technology and Management >GEOPOLYMERS, ALTERNATIVE MATRICES FOR THE IMMOBILIZATION OF HAZARDOUS WASTE-LEACHING CHARACTERISTICS AND ENVIRONMENTAL COMPATIBILITY
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GEOPOLYMERS, ALTERNATIVE MATRICES FOR THE IMMOBILIZATION OF HAZARDOUS WASTE-LEACHING CHARACTERISTICS AND ENVIRONMENTAL COMPATIBILITY

机译:地聚合物,用于有害废物浸出特性和环境相容性的固定化替代基质

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摘要

In this study fly ash based geopolymer was used for the immobilization of heavy metals present in the steel-processing unit bearing Pb, Fe, Zn, Cu and Mn. Fly ash with a small amount of additive and activators are utilized for the solidification/stabilization of heavy metals. Microscopic studies using SEM/EDAX and XRD were performed to study the structure of the fly ash based geopolymer formed by the alkali activation and to study the effect of the sludge incorporation of the pure matrix. The new proposed matrix was found to be very efficient in stabilization of heavy metals; approximately 90 % of the heavy metals were locked into the geopolymeric matrix.
机译:在这项研究中,粉煤灰基地质聚合物被用于固定存在于含Pb,Fe,Zn,Cu和Mn的钢加工单元中的重金属。具有少量添加剂和活化剂的粉煤灰用于重金属的固化/稳定化。进行了使用SEM / EDAX和XRD的显微镜研究,以研究由碱活化形成的粉煤灰基地质聚合物的结构,并研究了污泥掺入纯基质的影响。发现新提出的基体在稳定重金属方面非常有效。大约90%的重金属被锁定在地聚合物基质中。

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