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    • 7. 发明公开
    • ENGINEERED CEMENTITIOUS CONTAMINANT BARRIERS AND THEIR METHODS OF MANUFACTURE.
    • VORBEARBEITETE ZEMENTVERUNREINIGUNGSSPERREN UND VERFAHREN ZU IHRER HERSTELLUNG。
    • EP0555238A4
    • 1993-05-19
    • EP91917485
    • 1991-07-19
    • KHASHOGGI E IND
    • JENNINGS HAMLIN MHODSON SIMON KSTUCKY GALEN
    • G21F9/30G21F9/34
    • G21F9/34G21F9/304
    • Novel engineered cementitious contaminant barriers and containers for storage of hazardous waste are formed by positioning a hydraulic cement composition into a predetermined configuration and then hydrating the cement composition. One or more liquid, ion, or gas getters capable of binding with or absorbing liquids, ions, or gases which may penetrate the barrier may be positioned into the configuration before hydrating. The contaminant barriers of the present invention may be engineered to include mixtures of different getters, single and multiple layers of different getters, multiple layers of cement and getters, and a host of different getter, cement, mixture, and layer combinations. Novel waste containers are also advantageously prepared utilizing contaminant barriers within the scope of the present invention. The waste containers may be prepared by surrounding waste material with at least one getter and with a powdered hydraulic cement composition and then compressing the cement and getter around the waste material. Preformed waste containers may also be prepared within the scope of the present invention. Use of reinforcing fibers and aggregates to improve the mechanical properties of the hazardous waste container is disclosed.
    • 通过将水硬性水泥组合物置于预定构造中,然后水化水泥组合物,形成用于存储危险废物的新型工程胶结污染物屏障和容器。 一种或多种能够结合或吸收液体,离子或可能渗透屏障的气体的液体,离子或气体吸气剂可以在水合前置于该构型中。 本发明的污染物屏障可以设计成包括不同吸气剂的混合物,单层和多层不同吸气剂,多层水泥和吸气剂,以及许多不同的吸气剂,水泥,混合物和层组合。 新型废物容器也有利地利用本发明范围内的污染物屏障来制备。 废物容器可以通过用至少一种吸气剂和粉末状水硬性水泥组合物围绕废物材料并随后在废物周围压缩水泥和吸气剂来制备。 预制垃圾容器也可以在本发明的范围内制备。 公开了使用增强纤维和聚集体来改善危险废物容器的机械性能。