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首页> 外文会议>Shale energy engineering conference 2014: technical challenges, environmental issues, and pubulic policy >Effective Use of Cementitious Materials, Ground Granulated Blast Furnace Slag, and Bentonite in Treating Contaminants on Polluted Land
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Effective Use of Cementitious Materials, Ground Granulated Blast Furnace Slag, and Bentonite in Treating Contaminants on Polluted Land

机译：有效地使用水泥质材料，高炉矿渣和膨润土处理污染土地上的污染物

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This study focuses on pollutant stabilisation by the formation of less mobile, less toxic and less bio available contaminant binding forms which protects humans, health and the environment. This treatment involves mixing a binding agent into the contaminated media by immobilizing hazardous constituents within the treated material. Cementitious materials such as CEM I, ground granulated blast furnace slag (GGBS), and bentonite are the predominate material choices because of their low associated processing costs, compatibility with a wide variety of disposal scenarios and the ability to meet stringent processing and performance requirement. The aim requires selection of immobilising agents based on a set of physico-chemical test designed to provide understanding of the processes involved in a particular stabilisation scheme, durability of its products and environmental impacts. Laboratory treatability studies are a fundamental part of the design process to assess mix, design and demonstrate that a binder can be selected to achieve remedial objectives for the design life of the remediation. The composition of the mixes were similar but the difference is the percentage of water applied. A more comprehensive treatability study is proposed for ensuring that the study accurately reflects anticipated on-site conditions and the chosen binder satisfies the remedial objectives.
机译：这项研究的重点是通过形成保护人类，健康和环境的流动性较小，毒性较小和生物利用较少的污染物结合形式来稳定污染物。该处理包括通过将危险成分固定在处理过的材料中，将粘合剂混合到受污染的介质中。诸如CEM I，磨碎的高炉矿渣（GGBS）和膨润土之类的胶凝材料是主要的材料选择，因为它们具有较低的相关加工成本，与各种处置方案的兼容性以及能够满足严格的加工和性能要求的能力。该目标需要基于一组理化测试选择固定剂，该测试旨在提供对特定稳定方案所涉及的过程，其产品的耐用性和环境影响的理解。实验室可处理性研究是设计过程的基本组成部分，用于评估混合，设计并证明可以选择一种粘结剂来实现修复设计寿命内的修复目标。混合物的组成相似，但不同之处在于所施加的水百分比。建议进行更全面的可治疗性研究，以确保该研究准确地反映出预期的现场条件，并且所选择的粘合剂满足修复目标。

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