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Effects of chelant (EDTA) addition on properties of cement-solidified municipal incinerator fly ash

机译:螯合剂(EDTA)的添加对水泥固化市政焚烧飞灰性能的影响

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摘要

A preliminary study was conducted to investigate the effects of EDTA (a chelant) addition on properties of cement-solidified municipal incinerator fly ash (MIFA) due to its increasing use for the removal of metals from soil and wastes. MIFA specimens (cdesignated MIFA-A and MIFA-B, respectively) from two different municipal incineration plants were solidified by a cement-based technique. Properties studied included unconfined compressive strength (UCS) and leaching toxicity by Toxicity Characteristic Leaching Procedure (TCLP).
机译:进行了一项初步研究,研究了EDTA(一种螯合剂)的添加对水泥固化的城市焚烧飞灰(MIFA)性能的影响,这是由于它越来越多地用于从土壤和废物中去除金属。来自两个不同市政焚化厂的MIFA标本(分别称为MIFA-A和MIFA-B)通过水泥基技术固化。研究的特性包括无限制抗压强度(UCS)和通过毒性特征浸出程序(TCLP)的浸出毒性。

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