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首页> 外文会议>RILEM Proceedings PRO 40; International RILEM Conference on the Use of Recycled Materials in Buildings and Structures vol.2; 20041108-11; Barcelona(ES) >STABILISATION OF FLY ASHES BY BINDER OBTAINED FROM PROCESSED OIL SLUDGE IN ROAD CONSTRUCTIONS
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STABILISATION OF FLY ASHES BY BINDER OBTAINED FROM PROCESSED OIL SLUDGE IN ROAD CONSTRUCTIONS

机译：道路施工过程中产生的污泥中的粘结剂使粉煤灰稳定

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摘要

The process of crude oil refining involves the production of hazardous waste in the form of hydrated deposits containing hydrocarbons and other environmentally toxic chemical compounds, including heavy metals. Post-refinery oil sludge is difficult to treat and is classified as hazardous waste. One of the methods of treating this type of waste involves solidification in powder or granulate form. The study presents the results of tests involving solidified refinery deposits in the powder form as a binder for the stabilisation of fly ashes in road construction. Ashes which are characterised by excessive expansion, low bearing capacity and which do not meet standard requirements have been treated with a small addition of 2/6% solidified refinery deposit. Test results indicate that solidified deposits are capable of stabilising fly ashes. Fly ashes treated with a small addition of solidified refinery deposits take on new, improved geotechnical properties, rendering such compounds useful for application even in the top layers of road embankments and layers of the treated substrate. The application of solidified deposit binders provides an alternative to the costly technology of ash treatment involving mineral materials or stabilisation with conventional binders such as cement or lime.
机译：原油精炼过程涉及以水合沉积物的形式生产危险废物，这些水合沉积物包含碳氢化合物和其他对环境有害的化学化合物，包括重金属。精炼后的油泥难以处理，被归类为危险废物。处理此类废物的方法之一涉及以粉末或颗粒形式固化。这项研究提出了测试结果，这些测试涉及以粉末形式固化的炼油厂沉积物作为稳定道路施工中飞灰的粘合剂。用少量添加的2/6％固化炼油厂处理了以过度膨胀，低承载力和不符合标准要求为特征的灰烬。测试结果表明，固化的沉积物能够稳定飞灰。少量添加固化的炼油厂沉积物处理后的粉煤灰具有新的改良的岩土性能，从而使此类化合物即使在路堤的顶层和经处理的基材层中也可使用。固化沉积粘合剂的应用为包括矿物材料或使用常规粘合剂（例如水泥或石灰）稳定化的灰分处理的昂贵技术提供了替代方法。

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